TinyOne Pro 868MHz Module User Guide
Contents
1. T a Je d mi Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 37 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Access Register Name Description Network Control Network ID Network Number Default 0 R W 5252 Client Number Client Number on 2 Bytes Default 0 R W 255 Network Options Indicates the Network options 4 bits are used Default value 01 gt Bit N indicates whether the received frame begins with the Client ID 1 or not 0 gt Bit CR indicates whether the received frame ends with the Carriage Return character 0x0D 1 or not 0 gt Bit NH indicates whether the format in Transmission and in reception if the Bit N is activated is ASCII 1 Data 0 or Numeric lt 0x01 gt Data 1 gt Bit Ret Indicates if the OK should be returned after each radio transmission 0 or not 1 gt Bit 2B In case of a Numeric Header bit NH 1 indicates if the header is on 1 bytes 0 or 2 bytes 1 Used if you have more than 255 modems in your system gt Bit ACK Disable the radio acknowledgement 1 or enable 0 RAW 9256 Default Address Indicates the default address to which every radio frame will be sent Default O inactive Uu EM poo Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page2. e 2 bits R W 214 Serial Link Time Indicates the value of the time out on the serial link The Out time out value must be compatible with the serial speed see S210 register description Wa Between 2 and 100 milliseconds Default 5 R W 9216 Flow Control Indicates flow control type e 0 Hardware CTS RTS e 1 Software Xon Xoff e 2 None default L 5 9 zi Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 36 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Access Register Name Description Operation R W 5220 Function Mode Operating mode of the Modem 1 Transparent 9 Addressed Secured 12 Downloader over the air 14 Auto repeat R W 5223 Number of Retries Number of retries in case of non Ack response to a message addressed secured mode mode or in case of non free radio link LBT Included between 0 and 255 255 means retry until success Default value 2 R W 5226 LBT LBT ON OFF and sensitivity 0 OFF 1 ON with high sensitivity 2 ON with medium sensitivity A ON with low sensitivity R W S227 Random Waiting Random waiting Time ON OFF Time e 0 OFF e 1 ON Low Power Type of Low power Indicates whether the low power control pin is used or not 0 No Low Power default 1 Stand By activated by Hardware pin 2 Stand By activated by Serial
3. 1 3 Document change log Revision Date Changes ISSUE 0 17 04 09 First Release d id rj e En Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 6 of 70 1 4 Glossary ACP BER Bits s CER dBm EMC EPROM ETR ETSI FM FSK GFSK GMSK IF ISM kbps LBT LNA MHz PLL PROM NRZ RF RoHS RSSI Rx SRD Tx SMD VCO VCTCXO Reproduction forb idden without Telit Communications S p A written authorization All Rights Reserved Adjacent Channel Power Bit Error Rate Bits per second 1000 bits s 1Kbps Character Error Rate Power level in decibel milliwatt 10 log P 1mW Electro Magnetic Compatibility Electrical Programmable Read Only Memory ETSI Technical Report European Telecommunication Standard Institute Frequency Modulation Audio Frequency Shift Keying Gaussian Frequency Shift Keying Gaussian Minimum Shift Keying Intermediary Frequency Industrial Scientific and Medical kilobits s Listen Before Talk Low Noise Amplifier Mega Hertz 1 MHz 1000 kHz Phase Lock Loop Programmable Read Only Memory Non return to Zero Radio Frequency Restriction of Hazardous Substances Receive Strength Signal Indicator Reception Short Range Device Transmission Surface Mounted Device Voltage Controlled Oscillator Voltage Controlled and Temperature Compensated Crystal Oscillator n d lelit TinyOne Pro 868MHz User Guide
4. I O high level 111 3 Timing Characteristics Characteristics Power Up Sequence Stand by Enter in Hard Stand by Enter in Serial Stand by Wake Up from Hard Stand by o q A 7 Radio Rx to TX switching time 500mW 100mW Tx to RX switching time 500mW 100mW T d ay x ES va e M y Si 3 e BAS E dim L Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 12 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 111 4 Functional characteristics The B868 TinyPro module allows 2 types of functioning single or multi channel Elle EI Frequency band Transmission Channel number Channel spacing Radio bit rate Output Power 23 6V Modulation ACP Spurious out of the band 869 400 869 650 MHz ERC Recommendation 70 03 Single channel Multi channel 1 10 first channel at 869 4125MHz wideband 25 kHz ERC Rec 70 03 ERC Rec 70 03 4 8 kbps 100mW 20dBm 2dB 37dBm max Under the following limits 500 600 MHz 9 Operation Standby All Rights Reserved page 13 of 70 Reception Sensitivity for CER 10 Saturation for CER 10 Remaining CER Selectivity Immunity against adjacent channels jammer at 20 dBm against other channels jammer at 20 dB
5. module is periodically waked up by an internal timer to send lO frame see 5241 and S243 registers for timing settings 9 Low Power Hard Soft module is waked up by timer but you can also quit stand by at any time by a falling edge on std by pin RAW 5241 Wake up Period Only available on Telemetry client Time in seconds between 2 telemetry frames sending This timer is useful to periodically wake up the module and send its lO state This timer is usable even if the module isn t low power S240 0 in this case this timer is useful to periodically check the radio link e 0 disable default e 1 to 250 wake up period in seconds R W 243 Wake up Duration of wake up in ms Between 0 and 255 duration Default value 125 Network Control Default I O When periodic wake up is enable register 241 the Recipient module will send periodically its I O state to the specified default IO recipient When interrupt capable input is set register 262 an edge on the specified input trigs a telemetry frame sending to the default IO recipient ES A j x B Kg F Es Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 42 of 70 Le e ti TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Pen Ol contro a eS a A AA Pen Ol contro a eS a te 9260 I O Direction I O pins can be set either in input digital or analog or output digital o
6. must be placed as far as possible from the B868 TinyPro module gt Switching components circuits especially RS 232 TTL interface circuit power supply must be decoupled with a 100 uF tantalum capacitor And the decoupling capacitor must be as close as possible to the noisy chip VI I 1 2 Power supply decoupling on B868 TinyPro module The power supply of B868 TinyPro module must be nearby decoupled A LC filter must be placed as close as possible to the radio module power supplies Vcc RF power supply and Vpp digital power supply Power Supply In order to limit voltage drop out on Vcc at transmission it is important to choose L1 with a very low series resistance lt 0 10hm Reference Value tl LQH32CN1ROM33L 1uH Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 57 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 VI 11 3 RF layout considerations Basic recommendations must be followed to achieve a good RF layout gt Itis recommended to fill all unused PCB area around the module with ground plane gt The radio module ground boundaries must be connected to a ground plane Layout VIII 3 a Example of GND layout implantation top and bottom side GROUND SMA Connector Tiny metallic shield Y TED DER Host Board Bottom side Host Board Top side ba Reproduction forbidde
7. wireless solutions Teli TinyOne Pro 868MHz Module User Guide 1vv0300816 Rev 0 17 04 2009 A K pe ag CW hy A Sa KS A A y d ir 8 s E F n I N 1 y h n f 5 mil e gt ap LL E Y i E m lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 This document is related to the following product License Free System GHz for Frequencies 416 TinyOne Pro RF module Reproduction forbidden without Telit Communications S p A written authorization Al Rights Reserved page 2 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 DISCLAIMER The information contained in this document is the proprietary information of Telit Communications S p A and its affiliates TELIT The contents are confidential and any disclosure to persons other than the officers employees agents or subcontractors of the owner or licensee of this document without the prior written consent of Telit is strictly prohibited Telit makes every effort to ensure the quality of the information it makes available Notwithstanding the foregoing Telit does not make any warranty as to the information contained herein and does not accept any liability for any injury loss or damage of any kind incurred by use of or reliance upon the information Telit disclaims any and all responsibility for the application o
8. Analog input values do b p e d Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 47 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Analog inputs 3 analog inputs are available on J17 J21 and J22 The ADC use a successive approximation register SAR architecture with 15us sample hold and 10 bits resolution To use the analog inputs the corresponding pin should set as input by S260 register A read request command 0x02 return all telemetry values of a module including the ADC values When a pin is set as output the returned value is zero For the inputs the range is from 0x0000 to 0x03FF corresponding to OV up to Vcc Interruptible inputs 3 pins J18 J31 and J32 are interruptible To use it the desired pins should be declared as input via S260 register and the interrupt should be activated via S262 register When enabled an edge event on those pins automatically sends a telemetry frame to the default client chosen in 5258 register The frame sent is the same as the one returned after a reading request If the module is in stand by mode when the edge occurs the module first wakes up and then sends the telemetry frame NB J18 is sensitive to rising edge only while J31 and J32 are waiting for falling edge If more than one interrupt pin is activated an edge event is detected only if the default st
9. Equipment with external antenna connector shall be measured far both conducted spurious emission and cabinet radiation If the carrier frequency is lt 470 MHz Ihe equipment shall be measured for unwanted emissions from 9kHz t 4 GHz If the carrier frequency is 2470 MHz the upper limit is 12 75 GHz The radiation limit is given in the table below Em Ce anv 57dBnm AA drdBm Receiver spurious response or blocking section 9 2 The ETSI standard does not give any mandatory requirements to receiver spurious responsa or blocking page 68 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 X 2 Examples of propagation attenuation 433 MHz 868 MHz 2 4 GHZ Loss Attenuation Loss Attenuation Loss Attenuation Open office 1 5 Factor Window Thin wall plaster 3 4 dB 5 8 dB 4 5 5 Medium wall wood Thick wall concrete Armoured wall reinforced concrete Armoured floor or ceiling 10 12 dB 12 15 dB 20 25 dB Rain and or Fog 20 25 dB 25 30 dB 5 Attenuations increase along with the frequency In some cases it is therefore difficult to determine loss and attenuation value Note The table above is only indicative The real values will depend on the installation environment itself page 69 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 X 3 Declaration of Conformity d i Telit DECLARATION OF CONFORM
10. antenna features a through hole feedline to directly attach it to the PCB This antenna acts like a wave antenna so that a minimum ground plane is required aS l a L e o d Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Le e Telit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 CHAPTER X ANNEXES X 1 ETSI 300 220 standards summary ETSI EN 300 220 The ETSI EN 300 220 specifies in detail the requirements and test methods to be used for type approvals of licence free operated radio equipment The following is summary of the most important requirements The complete document can be downloaded from www eltsi fr Frequency error section 8 1 The maximum frequency error depends on type of use base mobile or portable and of the channel separation The requirement applies only when a channel spacing is specified Frequency band 10 12 5kHz 20 25 kHz channel spacing channel spacing 300 500 MHz 1115125 21 2 25 Figures is in kHz fr S00 1000MHe 25125613 hase rne portable Carrier power conducted section 8 2 This requirement applies for equipment with external antenna connector The maximum power depends on equipment class The class is found in the table on page 4 Effective radiated power section 8 3 This requirement applies for equipment with dedicated or integral antenna The test method is different from
11. be done from a local radio module connected to a computer module to be updated or Hardly accessible remote i configured Local module Firmware or settings are sent through the air without any access to the remote device Completing DOTA the configuration over the air functionality gives access to the Hayes mode of a remote modem Thanks to it you can adjust all the settings of a modem without physical access to it Both functionalities are available through a specific software tool TinyTools Refer to its user manual 4 for detailed explanation ri B Reproduction forbidden without Telit Communications S p A written authorization f All Rights Reserved page 40 of 70 _ EE lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 CHAPTER VI TELEMETRY FIRMWARE DESCRIPTION OF THE FUNCTIONALITY This Chapter is dedicated to the functionalities of the telemetry firmware allowing functional use of l Os of the module VI 1 General Features Telemetry protocol is based on the addressed secured operating mode Each module is able to execute telemetry orders while exchanging serial data 8 pins of the module are dedicated for I O use with different capability v 10 bits analog inputs capable readable either locally or remotely PWM input capable readable either locally or remotely v interruptible input to wake up and send frame on edge event 10 KHz PWM outpu
12. equipment with external antenna connector but the test limits are the same as above TX modulation section 8 4 This test apply to analogue speech systems only FM and AM Adjacent channel power section 8 5 This test is applicable for equipment operating in bands with specified channel separation and bandwidths For 25kHz channel spacing which is the narrowest channel spacing used in the BEBMHz band the test receiver bandwidth and filter shape for the adjacent channel is specified as follows There is special test instruments made for this kind of measurements for example the Rhode amp Swartz test receiver CMTA 84 The test should be used using test modulation patterns D M3 package or D M2 data steam gel Reproduction forb page 66 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 The requirement for 25kHz channel spacing is 200nW 37dBm for normal test conditions and 640nW 32dBm for extreme test conditions Modulation bandwidth for wideband equipment 25kHz section 8 6 This test is applicable when no channel spacing is specified or channel spacing is larger than 25kHz The power envelope shall be measured with a spectrum analyser RBW 100 Hz VBW 10kHz using the maximum hold display function The bandwidth is defined as he bandwidth of the power envelope where the power is above the required spurious level The spurious level limit i amp 2500 36dBm Spu
13. host PCB solder dot solder dot Tiny module rd host PCB o t host PCB Cut out on host Metallic shield Cut out on host VII 5 Placement The tiny radio module can be automatically placed on host boards by pick and place machines like any integrated circuit with the following recommended parameters e Placing accuracy 90 um minimum e Nozzle diameter 5 6 mm e Vacuum pressure 9 10 mm e Application area Geometrical center of tiny board VI I 6 Soldering profile RoHS process It must be noted that tiny radio module should not be allowed to be hanging upside down during the reflow operation This means that the module has to be assembled on the side of the printed circuit board that is soldered last The reflow process should be a regular surface mount profile The ramp up speed should not exceed 3 C s reaching a peak temperature of 220 to 250 C during 45 to 60 seconds The maximum sloping rate should not be higher than 5 C s The barcode label located on the module shield is able to withstand the reflow temperature page 56 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 CHAPTER VIII BOARD MOUNTING RECOMMENDATION VI I I 1 Electrical environment The best performance of the B868 TinyPro module are obtained in a clean noise environment Some basic recommendations must be followed gt Noisy electronic components serial RS232 DC DC Converter Display Ram bus
14. surface finished on the printed circuit board pads should be made of Nickel Gold surface For optimal performances the host board needs a maximum ground plane so that the integrated antenna becomes less sensitive to the environment The recommended soldering pad layout on the host board as well as the host board cutout for tiny integration are shown in the diagram below Footprint on nost For liny radio board 35 60 F 330 Ji J32 em ml 19 60 Cutout on host I 00 d IA MEA Jes Jo iuuuuullbiulLiuiuiliie 2 80 2 80 LED H SI MIN Dimension PAD L6mm x 12mm BH d Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 55 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 VI 1 4 Solder paste RoHS process Tiny radio module is designed for surface mounting using half moon solder joints see diagram below For proper module assembly solder paste must be printed on the target surface of the host board The solder paste should be eutectic and made of 95 5 of SN 4 of Ag and 0 5 of Cu The recommended solder paste height is 200 to 250 um 8 10 mil The following diagram shows mounting characteristics for tiny integration on
15. the current operating mode in process might be command should be entered as one string i e it should not be preceded by AT and followed by CR but two silent times which duration is configurable via S214 register Serial time out The time between two must not exceed the time out value Hayes mode inactivates radio functions Communication mode activation ATO command gives an instant access to the modem s operating mode configured in S220 register ATO command is used to get out of Hayes mode Answer OK or ERROR if the configuration is not complete Modem s firmware version AT V command displays the modem s firmware version number as follows e IZ d 5 t d y ri B Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 23 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Register interrogation ATSn command displays the content of Hayes register number n Refer to the register description table Some registers are standard for every Telit modems while others are specific to some products Answer Sn x lt CR gt Register modification ATSn m command configures Hayes register number n with the value m e g ATS200 4 lt CR gt enters the value 4 in the register S200 The value is automatically stored in the EEPROM memory Answer OK or ERROR RS
16. the header is ASCII Bit 2 0 The frames sent and received will be as follows 0x01 Data if this bit is set to 0 0x00 0x01 Data if this bit 5 is set to 1 ACK Bit 6 default 0 Radio Acknowledge disable if 1 the radio Ack is disable and any secured radio frames are not acknowledged This is useful when several clients have the same ID in a network 3 Client Address S252 The user can set a Client number between 1 and 65535 The client numbers must all be different in a network The default value is O 4 Default transmission Address S256 If this register is different from 0 the frames received on the serial link will be sent to this address without any header detection done This register is useful to set a Network like system with up to 65534 clients and one server and or when the clients are not able to manage the frame header page 34 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 V 4 Registers List Numbers in bold indicate the default value Access Register Name Description General R S192 Serial Number Serial number of the module the one present on the sticker Read only register Radio R W S200 Channel Indicates the channel number depending on the channelization S206 Single channel value 10 Multi channel between 0 to 9 R W S201 Radio Baud Rate Indicates the radio bit rate depending on the channelization S206 Single c
17. the radio active RTS and stays active until RTS switches to inactive state Active transmitted buffer on low state Indicates to the module to switch to low power mode Active on high state used only if Hardware Flow Control RTS CTS is selected S216 0 used only if Hardware Stand By is selected 824071 E Reproduction den without Telit Communications S p A written authorization All Rights Reserved page 21 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 CHAPTER V STANDARD FIRMWARE DESCRIPTION OF THE FUNCTIONALITY Telit modems and boards are provided with an embedded software which allows to choose between different communication protocols and to play on numerous parameters B868 TinyPro module is available with the following firmwares S ONE protocol stack o Standard firmware working in transparent or address secured mode o Telemetry firmware working in address secured mode and allowing a functional use of l Os of the module M ONE protocol stack o Mesh Lite firmware allowing mesh networking refer to dedicated manual 5 for detailed explanation This Chapter is dedicated to the S ONE protocol stack NOTE The available memory space on the module is limited and for this reason Standard and Telemetry firmware are available in the separate installation packages There are 2 different modes available for S ONE protocol stack that are described in fol
18. 1 7 01 As O ee 2 3 oi J p d r 1 H Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 30 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 4 Flow control management S216 In all the modes the data coming from the serial link are stored in a buffer and then sent Thus it is necessary to have a flow control on the serial link to avoid a buffer overflow and the loss of data The B868 TinyPro manages three types of flow control Hardware or CTS RTS S216 0 the RTS signal from the B868 TinyPro will authorize the host to transmit data The other way will be controlled by the CTS signal entering the modem Software or Xon Xoff 821621 the B868 TinyPro sends a Xoff character on the serial link to interrupt the transmission from the host and a Xon character to resume This control will only work from the B868 TinyPro to the host None 8216 2 default the host must manage its outgoing data frames in order not to overflow the buffer This flow control is available for our virtual RS232 serial link Note 1 in Hayes mode the flow control is not active so as to be able to modify these registers without locking the serial link Note 2 in Addressed Secured mode the flow control works only by activating the default transmission address S256 0 TL E Reproduction forbidden without Telit Communication
19. 1vv0300816 Rev 0 17 04 2009 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 CHAPTER Il REQUIREMENTS 11 1 General Requirements The B868 TinyPro module is a single multi channel radio board delivering up to 500 mW in the 868 MHz ISM band unlicensed frequency band As part of the TinyOne family the B868 TinyPro module has the same form factor than the other TinyOne modules same PCB format half moons connectors metallic cover It allows point to point multipoint or mesh functioning modes The ERC recommendation 70 03 describes the different usable sub bands in the 868 MHz license free band in terms of bandwidth maximum power duty cycle and channel spacing It gives the following limitations Frequency band Maximum radiated Channel spacing Duty cycle power 869 400 869 650 MHz 500 mW 25 kHz 10 96 or wideband This band is free to use but the module and the user must respect some limitations Most of these restrictions are integrated in the conception of the module except the duty cycle The 869 400 to 869 650 MHz band is limited to a 10 duty cycle This means that each module is limited to a total transmit time of 6 minutes per hour It is the responsibility of the user to respect the duty cycle Furthermore the module complies with the ETSI 300 220 specific for SRD The main requirements are described in Appendix 1 Finally the module complies with t
20. 2 I S260 204 Y 8262 0 S220 7 Image of J31 9263 0 E J32 inputs of S264 1 d e dd gt S241 6 Not used S243 125 S252 2 S258 255 S260 63 Output not use Example 2 IO copy with Star architecture with 2 ports copied from server to each client and 2 ports copied from each client to server Low power is activated on both clients with one refresh each second on Client 1 and every 6 seconds on Client 2 Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 lO Server 240 0 A S241 0 A S243 0 S252 255 S258 0 A S260 0 Y S262 0 9263 0 A A S264 0 IO Client N IO Client 1 FS dl Each 3220 7 47 gt 922 gt client lt outputs are the images of server inputs Example 3 IO copy with Star architecture with server inputs copied to N clients outputs If refresh time is critical to update outputs of the server according to the inputs of a client it is possible to use the interrupt functionality In this case an edged occurring on the client input will immediately trigs the send of an update frame to the server without waiting the next refresh period Finally it is possible to detect a link failure in small network up to 8 clients Clients should be numbered from 1 to 8 When a client sends its inputs values the frame also contai
21. 38 of 70 V 5 Configuration Example lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 We will describe in this paragraph how to parameter the modules in order to set up 2 different Addressed Secured configurations One classical configuration where all the modules in the network can communicate to each others One specific configuration equivalent to a Client Server configuration also called Star network where communications are able only between the Server and the Clients CLASSICAL Al O ATS220 9 up to customer choice up to customer choice up to customer choice ATS25020 S in binary up to customer choice Server ATS220 9 up to customer choice ATS226 1 2 or 3 up to customer choice ATS227 1 ATS250 0 ATS252 255 or 65535 ATS255 000X00X1 in binary ATS256 0 CLIENT SERVER oo Clients ATS220 9 up to customer choice up to customer choice ATS227 1 ATS25000 3 0 except 255 or 65535 in binary lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 V 6 Configuration and Download Over The Air DOTA TinyPRO module includes the new DOTA functionality This function is able to change or update the firmware of a remote modem using a local module In this application the new firmware is sent through the radio link to another device without the need of any hardware intervention on the remote device All steps of the process can
22. 4 2009 3 Radio channel S200 This register sets the radio channel used for the communication S200 value Frequency 7 When multi channel functioning is chosen see register S206 S200 value can go from 0 to 9 and the default value is 0 When single channel functioning is chosen this register is automatically set to 10 4 Radio Output power S202 This register allows to choose the output power of the module between 25 100 and 500mW This parameter allows to optimize power consumption in function of the desired range S202 value Output Power 0 25mwW 100 mW 500 mW When multi channel functioning is chosen see register S206 S202 value can go from 0 to 1 and the default value is 1 When single channel functioning is chosen S202 value can go from 0 to 2 and the default value is 2 5 Radio carrier length S204 This register sets the duration in milliseconds of the radio carrier sent before the data lt serves as synchronization frame for the receiver s The default value is 8 milliseconds 8204 8 Usually this register isn t modified However in some hostile environment metallic parts vibrations it can be raised to 20ms to have a more reliable synchronization This will lower the over air throughput as it increase the non data use of the radio lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 6 Radio Whitenin
23. 6 TTL 1 05 STAND BY RESET BKGD MS ACK TX 1 04 1 03 STATUS TX RX Indicate if the serial link is on transmission or reception J19 1 07 I O TTL Digital I O Digital IO interrupt Input capable TTL Digital I O interrupt Input capable TTL GE for stand by TTL TxD UART Serial Data Transmission TTL RxD UART Serial Data Reception TTL Signal for reset TTL Clear To Send TTL Single wire debug interface for uC programming Request To Send Indicate radio transmission is OK Digital I O analog Input 10 bits capable Digital I O analog Input 10 bits capable Digital I O J20 Digital I O interrupt Input capable Indicates if valid Carrier Synchro word is received 317 Digital UO analog Input 10 bits capable Indicates if valid Carrier Synchro word is received I O O I O O BERN ee mme EN gt lem gt C ooo emm 00000 Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 18 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 mel 00 pe mm ms Dm ms ci sp RF Antenna RF connection to external antenna a eg ToS Se j Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved ha page 19 of 70 E Telit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 I V 2 Block Diagram and Pin out of the DIP M
24. ANN 13 MHS DRM ENN PP AL 15 MER MAXIMUM ne 15 MENNENE 16 CAAPTER IV TECHNICAL DESCRIPTION Lanseres uranet SUE 17 V 1 BLOCK DIAGRAM AND PIN OUT OF THE SMD MODULE isa nare Ruine aeu x oo 17 V 2 BLOCK DIAGRAM AND PIN OUT OF THE DIP MODULE suert cs 20 NS DESCRIP e Ke M zio th Ac cc oca 21 CHAPTER V STANDARD FIRMWARE DESCRIPTION OF THE FUNCTIONALITY 22 Dex GONNA CURA MON MODE Me 23 EE e e 25 VESEN ENERETT 27 VEE E IE 35 Ace En TONE AMPLE T 39 V 6 CONFIGURATION AND DOWNLOAD OVER THE AIR DOTA cccccccseeeeeeceeeeeeeeeeeeeeeaaeeeeeeeeeesaeeeeeeeeeaseeeeeeeeesseeeeeeeeeaseaseeeeeeesseaeeeeeeeeaseeseeseeeesaeaas 40 CHAPTER VI TELEMETRY FIRMWARE DESCRIPTION OF THE FUNCTIONALITY 41 VE TE a sconti pP ERO IN ADR IERI EP oc ME us E nad pete ee SM MEME EIER SENI ONU NNNM 41 eZ El REN e i EE OEE 42 AE DETALE O EE 45 TL E Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 4 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 ULA M ee 54 EE EN A o o EE 55 Mil OLDER Nc PENN 55 VILA SOLDER PASTE ROMS PROCESS E 56 AA We gt PECENE y Ao o e ee e o O ee ee o UE 56 VILO SOLDERIN
25. B868 TinyPro modules are delivered in plastic tray packaging each tray including 42 units The dimensions of the tray are the following 340 mm x 240 mm x 15 mm Each unit is placed in a 22 mm x 40 mm location An empty tray weights 76 g and a loaded tray weights around 250 g HH 22 m0 mr 7 OG mm t OTI 000000 CODE LILTLILILITLIL I 10 00 mr 40 GO mm 340 00 mm JI DUDE Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 54 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Trays are delivered in carton boxes each box including 15 trays The dimensions of the box are the following 360 mm x 250 mm x 170 mm An empty box weights around 430 g VI 1 2 Storage The optimal storage environment for tiny radio modules should be dust free dry and the temperature should be included between 40 C and 85 C In case of a reflow soldering process tiny radio modules must be submitted to a drying bake at 60 C during 24 hours The drying bake must be used prior to the reflow soldering process in order to prevent a popcorn effect After being submitted to the drying bake tiny modules must be soldered on host boards within 168 hours Also it must be noted that due to some components tiny radio modules are ESD sensitive device Therefore ESD handling precautions should be carefully observed VII 3 Soldering pad pattern The
26. Description Example Address ASCII ID of the addressed module 2 0x32 Separator indicating the end of address T 0x54 field and the telemetry frame type 0x04 0x04 is the order to change the duty cycle of the PWM output ve New value to be affected to the duty cycle of PWM output Set PWM output duty cycle to 25 on module N 2 Reproduction den without Telit Communications S p A written authorization All Rights Reserved page 46 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Returned value Field Size byte Description Example ASCII ID of the module returning the T 1 Separator indicating the end of address field and the telemetry frame type 0x01 indicates that the module return all 0x01 1 value following a read request Digital value read on the module with one bit by pin Digital value 1 Indicate the direction In Out of each pin One bit per pin with O for input and 1 for output IO direction 1 4 These bytes are reserved and should be ignored 10 bits ADC value sampled from each of the 3 analog inputs The first value is for J17 then J21 and the last one is for J22 All 10 bits values are written with 2 bytes LSB first I O 1 I O 3 I O 4 2 Bytes 2 Bytes 2 Bytes When enable see S241 register this is the period of IO send given in second 4 This byte is reserved and should be ignored 4 All telemetry frames ends by carriage return
27. G PROFILE ROS PROCESS ardid dido 56 CHAPTER VIII BOARD MOUNTING RECOMMENDATION errem of VOR ES use ez RETI E o m QU re eee ee 57 VILL Z POWER SUPPLY DECOUPLING ON B868 TINYPRO MODULE kxkih ropa yan EE RE RE eden EES EEEEE EE 1x cop x ERE EE sb ER V E PH R REPE KP EEN INE E 57 RA RR CONSIDERA JONG jr 58 VIIT 4 B868 TINYPRO INTERFACING FULL RS 232 CONNECTION isso d 60 CHAPTER IX ANTENNA KC LEINER G1 X L ANTENNA lzeeuz ego ct EASE ERREA RRR RAEE AnER 61 Xd ANTENNA MATCHING a EE 62 A ANTENN WR dE 63 pau EX TERNA zi E 63 KEENE ee 65 CHAPTER Ee E 66 Ad ETS1300 220 STANDARDS SUMMARY aaa 66 X 2 EXAMPLES OF PROPAGATION ATTENUATION ccssccecssseecsseecseeeeccsseecccsseecccsseescsueeecsseeecsssuececsssececssuecceaueeceeueececseeescsaeeeecsaueecsaueeesaeeesteresessaeeeesas 69 SENSE E SNN rE E E ESEE E E E 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 CHAPTER I INTRODUCTION I 1 Aim of the Document The aim of this document is to present the features and the application of the B868 TinyPro radio module After the introduction the characteristics of the B868 TinyPro radio module will be described within the following distinct chapters Requirements General Characteristics Technical description Functional description standard and telemetry Process information Board Mounting Recommendations Antenna Considerations 1 2 Reference documents
28. Hello 2sends Hello lt Hello gt lt Hello gt gt lt Hello gt lt in blue gt data sent lt in red gt data received Not available with eech firmware Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 25 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Basic Illustration of Addressed Secured mode Module N 1 Module N 2 Module N 33 1 sends ABCD to 2 lt 2 ABCD gt gt lt 1 ABCD gt OK 1 sends EFGH to 3 lt 3 EFGH gt with a retry Waiting time 3 sends Hello as Broadcast lt 3 Hello gt lt 3 Hello gt lt ME Collision or error in blue data sent in red data received lt 1 EFGH gt lt 0 Hello gt Basic Illustration of Addressed Secured mode with LBT Module N 1 Module N 2 Module N 33 gt lt 1 ABCD gt ACK 1 sends ABCD to 2 radio link free 1 sends EFGH to 3 radio link not free Waiting time I lt 1 EFGH gt x we A FTN CENT y fi edel E dl es 2 see S p A written authorization All Rights Reserved page 26 of 70 lr idden without Telit Communications Reproduction forb lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 V 3 Registers Detailed Use The parameters to be configured via Hayes mode are stored in the module permanent memory called S registers Those registers are always liste
29. ITY We Telit RE Technologies OF Rue Evarist Galois 06410 BIOT FRANCE declare under our responsibility that the product TinyOne Pro 868MHz module Radio module for wireless data transmission in 868MHz ISM band to which this declaration relates is in conformity with all the essential requirements of the European Directive 1888 D5 EC RETTE The conformity with the essential requirements of the European Directive 18988 D5 EC has been verified against the following harmonized standards RF spectrum efficiency R amp TTE art 3 2 EN 300220 2 Version 2 1 1 EMC R amp TTE art 3 1b EN 301489 3 Version 1 4 1 Electrical Safety and Health protection R amp TTE art 3 1a EN 604950 1 411 and EN 50371 Restrictions Only antenna with maximum gain of 0dBi are allowed to use GE marking applies only to End Products Because this equipment is only a subassembly compliance tests have been realized with Telit terminal Manufacturer of End Products based on such a solution has to insure full confarmity to be able to CE label marking The technical documentation relevant to the above equipment will be held at Rue Evarist Galois 06410 BIOT FRANCE SE l Sg Biot 74th April 2009 ausis m T P Gu e a E A Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 70 of 70
30. IX 3 1 2 wave antenna Core linked to hot point Coaxial hot and ground plug on the tiny RF output e Ao AER rd S p A written authorization All Rights Reserved page 64 of 70 Reproduction forbidden without Telit Communications lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 I X 5 Embeddable antennas In this section you will find antennas designed to be directly attached to B868 TinyPro module inside the product casing These antennas are only used in application where security cosmetics size or environmental issues make an external antenna impractical This type of antenna is used when the integration factor becomes primordial for mobile and handheld devices to the range performances The basic recommendation are gt The radio module must not be placed in a metallic casing or close to metallic devices gt The internal antenna must be far from noisy electronic Ceramic antenna Ceramic antenna is a SMD component to be mounted directly on the PCB It is designed so that it resonates and be 50 Ohms at the desired frequency But we recommended to place an impedance matching circuit See paragraph IX 3 The place under and around the ceramic antenna must be free of any track or ground plane refer to the antenna constructor requirements It usually has a hemispherical radiation pattern has described below 50M Transmission Line Miniaturized antenna This type of
31. SI interrogation ATN command runs the received RF level measurement This RSSI reading is continuously displayed each second until a new character arrives on the serial link 4 levels are available 0 received level lt 87dBm 1 received level between 87 and 82dBm 2 received level between 82 and 77dBm 3 received level gt 77dBm Parameters reset ATR command resets all modem s parameters to their default values Answer OK Stand By Activation When serial stand by is set the ATP command put the module in stand by mode To wake up the module send a NULL 0x00 character Switch to Bootloader ATBL command escape from the main program and run the bootloader This command is useful to update the firmware by serial or radio link See the dedicated part for details Specific AT commands have been integrated in order to make measurements in continuous mode These commands are stopped by the sending of a character Command Description Min modulated carrier transmission Note 1 After an AT command ended by CH the serial link gives back result code which is OK or ERROR Note 2 command gives back OK These commands are effective after a maximum delay of 10 mS the back code OK indicates the good execution of the command and another command can be sent right after the back code OK E FN d S 1 B ss Fa F d Reproduction forbidden wi
32. TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Bindings A binding is a virtual link between two modules to simulate a point to point communication even if these modules are included in a bigger network The advantage is that no more encapsulation is needed to send data between the two modules In telemetry protocol it is possible to set two different bindings for data and telemetry frames The default data client is chosen in S256 register while the default telemetry client is chosen in S258 In this case all telemetry actions such as lO copy are routed to a client while all data frames are routed to another client without any ID nor encapsulation consideration during use Note if a data binding is set S256 0 no more telemetry order can be sent via the serial link a data binded module consider all serial frames as data to be sent to the default recipient Serial data to from module 2 without encapsulation Module 2 SEN Serial data to from module 1 without encapsulation Module 3 S252 3 IO ports image source S258 1 of module 3 lO ports IO ports image source of module 1 IO ports Independent data and telemetry bindings d id rj e En Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 53 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 CHAPTER VII PROCESS INFORMATION VI I 1 Delivery
33. ate is broken as shown bellow Assuming the 3 interrupt pins are activated S262 0xC2 J18 cid V ok J31 Edge AA correctly J32 detected Default state J18 0 J31 1 J32 1 Rising edge on J18 Not default state e ee 318 X ERROR J31 No event detected because J31 is J32 already to 0 d A ie d a C d Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 48 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 PWM output J20 can be set as a PWM output configuring S263 8 The PWM frequency is 10 KHz with 8 bits resolution for duty cycle The duty cycle is change by sending a PWM write order command 0x04 to the desired module with the new value to reach Value is from 0x00 to OxFF corresponding to constant 0 to permanent 1 respectively A start value for PWM output can be saved in S266 register This value is affected to the PWM output immediately after startup JOCopy Telemetry is the action to read or set I O of a remote module by sending orders from an intelligent part like PC or automate IO Copy is the capacity to automatically set the outputs of a module according to the inputs of a remote module and vice versa In this case the modules are autonomous without the need of a controller The lO Copy can be used either in point to point architecture or in a star network In all
34. cases IO copy requires the use of one IO server S220 6 and one or more IO client S220 7 Each client sends periodically its input values to the server specified in S258 register and wait for server input values coming back to update its local outputs The update period is chosen by S241 register from 1 to 250 seconds and can be different for each client Between 2 updates a client can go in stand by mode to save power All communications are performed by client the server only answers to client requests This operating mode allows clients to be very low power while only the master needs to be permanently powered If a lot of clients are used with short update period it is strongly recommended to use LBT to avoid radio collision see S226 register IO Server IO Client Image of J17 to J20 server inputs Image of J21 to J32 client inputs Example 1 IO copy in point to point architecture with 4 ports copied from server to client and 4 ports copied from client to server with one refresh every 5 seconds E Pa d 1 e mg Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 49 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 IO Client 1 J18 server N Image of J17 inputs IO Server Not used N S220 6 S S240 0 Image of J19 Z S241 0 J20 inputs of 9243 0 q 9258 0 IO Client
35. d as follow S20x registers correspond to the radio parameters 21x registers correspond to the serial parameters S22x registers correspond to the operating parameters 24x registers correspond to the stand by parameters 25x registers correspond to the network parameters Radio Configuration The Radio configuration is set via the S20x registers Through them you can Change radio channel S200 Change the radio baud rate S201 Change the radio Output Power S202 Modify the carrier length S204 Change channelization S206 CF EFF The radio parameters are preferably set in the following order 1 Channelization S206 This register allows to change the functioning mode single or multi channel 5206 value Functioning mode single channel multi channel Modules must be on the same Sub Band to communicate The default value for this register is S206 0 2 Radio baud rate S201 This register allows changing the radio baud rate S201 value Radio baud rate 4 8 kbps 9 6 kbps 19 2 kbps 38 4 kbps When multi channel functioning is chosen see register S206 this register is automatically set to 0 When single channel functioning is chosen the default value for this register is 3 J j Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 27 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 0
36. d cb cam en aan RT ciue ah Seien aes e A A ate fa fef CA A om CW HCP E CG Fru mr dcl Ru m mm m m W H HOHS WWW WWW WWW 3 TS cta e CON Ne P NOM b Nb Ji FONS Ns e NS EE D oc E NC ON A cab Rd RR ce drca e dece e A LEE ERR ERR ul cul Cul cm cmi m ul cu Cur m jm m cu Jl cul ml Jm m Du Cl Du Jl A ER RUE IEEE Ee WERE EUER CEDERE EURO REL ELE Ed rcc iecur cbe de ec od rade AR dr rae A beca cadre rd RA RAR AN e e AN Ne e AN Ne e AN Ne AN e Ae KN a t JM LIEN UE Eer M s M A M n bt ae esM i e ic Ne Mes HM AA RARA AAA AE E A EA EE AEREA ie Na e AN E e e AN Ne e EN e Ae KN a NEEN EE EE QUK LM E tH Y cU D DD D N Cate Pht aree den ata ada a De NN die dua td i e bedre EE A a on a LS NNN NN NN NN NN NN A E NN el NNN ei NN NN SE e wt E e E e fokk e e e E E e e ec d M ENNEN NENNEN NENNEN A A o SEENEN aa ea ra ere 3 00 2 00 ue 150 ti LEI LS Geet ZA ce mit T OX Lo Au cue xs ge 18 50 Wi d d um cs Mo A E EE E AE EEE a A ETS SNCH SCH _ EE Reproduction forbidden without Telit Communications S p A written authorization f All Rights Reserved lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 111 2 DC Characteristics Characteristics Power Supply Vcc Vpp Consumption 3 6V Transmission 500mW Transmission 100mW Reception Stand by EE I O low level
37. er is set to 2 as default It is enough in most of the configurations 4 Random waiting time S227 This register activates a random waiting time before every radio transmission except for acknowledge When LBT functionality is ON it is automatically activated The random waiting time is comprised between 0 and 64mS S227 value Random Waiting Time 0 default e m F 1 Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 32 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Network Configuration The configuration to use the B868 TinyPro in Addressed Secured mode is done with the S25x registers Through them you can Set the Network ID S250 Setthe Client Address S252 Setthe Network options S255 gt Seta default address for transmission S256 The parameters are preferably set in the following order 1 Network ID S250 When in Addressed Secured operation B868 TinyPro modules can communicate only if they are parts of the same network There can be up to 65535 networks defined but only one can work in a given area in each radio channel If you want to place more than one network in the same area use different radio channels and not different network numbers The default value is 0 2 Network Options 255 When running in Addressed and Secured mode this register contains the option flags
38. f the devices characterized in this document and notes that the application of the device must comply with the safety standards of the applicable country and where applicable with the relevant wiring rules Telit reserves the right to make modifications additions and deletions to this document due to typographical errors inaccurate information or improvements to programs and or equipment at any time and without notice Such changes will nevertheless be incorporated into new editions of this document Copyright Transmittal reproduction dissemination and or editing of this document as well as utilization of its contents and communication thereof to others without express authorization are prohibited Offenders will be held liable for payment of damages All rights are reserved Copyright Telit RF Technologies 2009 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 CONTENTS CHAPTER E INTRODUCTION surcar tie 6 LASTE A o PE o OOO Aicmcciltse E N 6 Zu REFERENCE DOCUMENTS jr 6 Nw et zueo i c citeci P 6 EE e d rocosas EM 7 CHAPTER I el IN RE 8 LEPPENE EE r d 8 ARNT REQUIREMENT ANE 9 Mia TEMPERATURE REQUIREMENT O TN 9 CHAPTER Ill GENERAL CHARACTERTIG TICE 10 METE MECHANICAL CHARAGTERIS EE NE EN EE Ee NERE ii aAa 10 Mi po CHARACTER MO EE ANA EEE 12 Mos ete iso op e T MT HER 12 M
39. g Character S209 This register sets the value XOR with each character of the radio frame in order to avoid long sequences of Os or 1s If the user application sends frames containing series of 0x00 or OxFF the receiver can unsynchronized itself thus the need for this whitening To mix a frame of these types use a value of 170 Hex OxAA Bin 10101010 Serial link configuration The serial link configuration is set via the S21x registers Through them you can Set the serial baud rate S210 Set the parity S212 Set the number of stop bits S213 V Set the serial time out S214 Set the flow control type S216 After each modification in the serial settings the B868 TinyPro will answer OK with the current configuration and the changes will be effective immediately after The Serial parameters are preferably set in the following order 1 Serial Baud rate S210 This register selects the serial baud rate value It is linked to the time out register S214 They can be set with the following values S210 value Serial 214 baud rate minimum value 2 240bs 9 Y 3 480bp 5 S default 19200bps 2 w BL 3840bpp 2 8 115200bps 2 page 29 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 2 Serial timeout S214 The B868 TinyPro is not able to know when a frame reception is finished on the serial link but it needs this infor
40. g as they are adapted to 868 MHz frequency Best range may be achieved if the 74 Wave antenna is placed perpendicular in the middle of a solid ground plane measuring at least 10 cm radius In this case the antenna should be connected to the module via some 50 ohm characteristic impedance coaxial cable Ya Wave Antenna Y connected to hot point UD Ground plane connected to coaxial ground Coaxial hot and ground soldered C on the tiny RF output The installation directives are the following gt Solder the coaxial cable on the hot and ground pad antenna of the B868 TinyPro module gt Fix the antenna on a metallic plane or on a metallic box with the metallic screw provided with the antenna gt If the tiny module is integrated in a plastic box use a metal tape copper glued on the plastic side under the antenna page 63 of 70 All Rights Reserved lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Half Wave Dipole antenna The Wave Dipole antenna is around 16 cm long Shorter compensated antennas could be used as long as they are adapted to 868 MHz frequency In a Wave Dipole antenna the metallic plane is replaced by a second 1 4 Wave antenna balancing the radiation Half wave monopole antenna typically offers a ground independent design with favorable gain excellent radiation pattern It has a high impedance and requires an impedance matching circuit See paragraph
41. hannel between 0 to 3 Multi channel value 0 e 0 4800 bits s e 1 9600 bits s e 2 19200 bits s e 3 38400 bits s R W 202 Output Power Radio power output in milliwatts depend of the channelization S206 Single channel between 0 to 2 Multi channel between 0 to 1 e 0 25 mW e 1 100mW e 2 500mW R W 5204 Radio Carrier Length Indicates the radio carrier length in milliseconds This carrier is sent before each data frame and is used to synchronize the receiver Between 5 and 60mS Default 8 ms R W 5206 Channelization Indicates channelization e 0 single channel default e 1 multi channel R W 5209 Radio Whitening Indicates the XOR value for radio data Character Between 0 and 255 Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 35 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Serial Link Access Register Name Description S210 Serial Speed Indicates the speed on the Serial Connection 1 1200 bits s 5 19200 bits s 2 2400 bits s 6 38400 bits s 3 4800 bits s T 57600 bits s 4 9600 bits s 8 115200 bits s The time out value must be compatible with the serial speed Min time out S214 R W 212 Parity Serial Link Parity Type e 1 None default e 2 Even e 3 Odd R W 213 Number of Stop Serial Link Stop Bits bits e 1 bit default
42. he desired options from the list below to identify the appropriate Telit part number you need X 868 tinv pro 40 XXX XX Antenna option WA Without Antenna Equipment EA External Antenna B Board D Demokit Socket option SMD SMD module DIP DIP interface The versions below are considered standard and should be readily available For other versions please contact Telit Please make sure to give the complete part number when ordering Equipment Part Number SMD Version B868 tiny pro 40 SMD WA DIP Version B868 tiny pro 40 DIP WA 06700 Ir 30875 E 3 O SLM ES D868 tiny pro 40 SMD EA g F Fe 2r mH a amb Reproduction forbidden without Telit Communications page 16 of 70 Telit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 CHAPTER IV TECHNICAL DESCRIPTION I V 1 Block diagram and Pin out of the SMD Module Bottom side Top side e s s j E by le al E Es P T uf j z d i P x e D 1 p F d G OR d i po P M E LT a S RE i j T PEE RO ad Li e Par d E e m 1 Les s di PR d bes Te Ze Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved Le e ti TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Pin Interface function NO Signal level Function 1 0
43. he new European Directive 2002 95 EC concerning the Restrictive Usage of Hazardous Substances RoHS All Rights Reserved page 8 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 11 2 Functional Requirements The B868 TinyPro module is a complete solution from serial interface to RF interface The B868 TinyPro module has a digital part and a RF part The radio link is a Half Duplex bi directional link The digital part has the following functionalities Communication interface O management Micro controller with embedded software The RF part has the following functionalities Frequency synthesis Front end Low noise reception 11 3 Temperature Requirements Minimum Typical Maximum Unit Operating Relative humidity Storage ull i TTA A T md m dl er f SENE um A Je E M s All Rights Reserved page 9 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 CHAPTER III GENERAL CHARACTERISTICS 111 1 Mechanical Characteristics Rectangular 38x 21 mm 6 layers circuit epoxy FR4 thickness 0 8mm Due to high radiated power the board is protected by a metallic cover mounted on the bottom side of the board e dimensions 34 5 x 18 5 x 2 2mm e thickness 200um Number of I O pins Telit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 ej ga ta A A A ks ci ica cb dcc cce brc
44. ial Track 1 length lt 10mm as short as possible Track 2 length lt 30mm as short as possible The opposite side requires a ground plane Antenna Coaxial cable Pad connection Hot point 2 2mm Ground pad 2 4mm Or a specific SMA connector can be used If no impedance matching is required this network can be used to improve harmonics filtering by using the default values Symbols tp Col 0603 L1 C1 C2 0603 3 3pF See the layouts VIII 3 to have an idea of the antenna matching implantation e Layout VIII 3 a antenna connection via a coaxial solder pad Top and bottom side e Layout VIII 3 b antenna connection via a SMA connector Top and bottom side Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 62 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 I X 3 Antenna types The following are the antenna examples that may be suitable for tiny applications We distinguish two types of antenna External antenna antenna is mounted outside of the device Embeddable antenna antenna is integrated inside the device I X 4 External antenna External antenna is recommended when the range performance is primordial For example for base stations and access points where a better antenna gain may be required 1 Wave Monopole antenna The Wave antenna is 8 cm long Shorter compensated antennas could be used as lon
45. lowing paragraphs The configuration mode which allows to parameter the module It is set through the use of Hayes commands sent on the serial link The operating mode which is the functional use for data transmission page 22 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 V 1 Configuration Mode Hayes or AT commands complies with Hayes protocol used in PSTN modem standards This AT protocol or Hayes mode is used to configure the modem parameters based on the following principles A data frame always begins with the two ASCII AT characters standing for ATtention Commands are coded over one or several characters and may include additional data A given command always ends up with a CR Carriage Return A T Command Additional data CR Note The delay between 2 characters of the same command must be less than 10 seconds The only exception to this data framing rule is the switching command from the operating communication mode to AT Mode In this case only the escape code must be started and followed by a silent time at least equal to the serial time out In this case only AT and CR shall not be used Below is the complete list of the AT commands available on the B868 TinyPro module Command Description Hayes Mode Activation command gives an instant access to the modem s parameters configuration mode Hayes or AT mode whatever
46. m against out of the band spurious Spurious leakage Below 1 GHz Over 1 GHz Single channel 100dBm 2dB 38 4kbps d e Telit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 47 dBm max Multi channel 105dBm x 2dB 4 8kbps 20 dB min 30 dB min page 14 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 111 5 Digital Characteristics Processor Micro controller RISC 8 bits with Flash memory Memory Serial link Full Duplex from 1200 to 115200 bauds E 8 bits with or without parity 1 or 2 stop bits e Protocol Type RS 232 TTL level Flow control Specific signals Serial Tx Rx RTS CTS Outputs Ack_Tx Status Tx Rx Frame Detect Inputs Reset Stand By PrgS I O 8 I O among those 3 analog inputs with 10 bits resolution Flashing Through serial Through the air DOTA Download Over The Air functionality 111 6 Absolute Maximum Ratings Voltage applied to Vcc Vpp 0 3V to 3 8V Voltage applied to TTL Input 0 3V to Vpp 0 3V d d j nn Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 111 7 Ordering information Three different equipments can be ordered The SMD version The DIP interface version i The Demokit Select t
47. mation to stop radio transmission in transparent mode or to start sending data in the other modes This timeout is the indicator used to decide when the data frame is finished if no character is received for a time equal to this timeout the data frame is seen as finished and the modem acts accordingly The default value is 5 milliseconds The Timeout value is of course in accordance with the serial baud rate it must be at least equal to the length of 2 characters See the table in the baud rate S210 part of this chapter For example for a 19200 bps baud rate the time to send 1 character 1 start bit 8 data bits 1 stop bit is 521 us giving a squared up timeout value of 2 ms You can set a higher value to this timeout if you have some gaps in the sending of a frame 3 Serial data format S212 and S213 These registers set the format of the characters sent on the serial link gt S212 Parity It can take three values 1 for No Parity 2 for Even Parity or 3 for Odd Parity The default value is 1 S213 Number of Stop bits 1 bit or 2 bits Default value is 1 The settings for the available configurations are Format type Parity Stop Bits S212 213 8 N 1 8 E 1 8 0 1 AAA oo 8 N 2 Bee 1 1 1 2 2 8 E 2 8 data bits even parity 2 stop bits 8 0 2 8 data bits odd parity 2 stop bits Al TIN 2 These configurations are only possible in transparent using the 7 E 1 same settings as 8 N
48. mes are described in the following tables General syntax Field Size byte Description ASCII ID of the addressed module an ci co field and the telemetry frame type Specifies the telemetry action wanted to Telemetry command be ee Read inputs Write Digital Write PWM DM 0 to 14 According to the command a few information is needed in this field command return Read request Field Size byte Description Example ASCII ID of the addressed module 3 0x33 BENE IBN aad indicating the end of address T rei E UE and the EE frame type 0x02 is the order to request a read of ae 0x02 inputs of a module No more information 0x02 is needed for this command Ask all values to module N 3 Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 45 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Write Digital Outputs Field Size byte Description Example 28 Separator indicating the end of address T g 4 field and the telemetry frame type 0x03 is the order to perform a digital write Specifies the outputs to be updated Each bit corresponds to one pin only the set bits will be written serves E owt wor GE owt wor O5 F 1 04 0 O O O O O O e Set pin J32 to 1 431 to O and let current value on the other pins of module N 28 Y Write PWM Output Field Size byte
49. n the timer period in second The server records this period for each of the first 8 clients When message is no more received from a client during the specified period 2 seconds the master indicates the failure writing ERROR lt CR gt on its serial link and rising edge on ACK TX signal pin J24 Combining the two previous functionalities e he consumption is very low e The server outputs are refreshed immediately in case of an edge occurring on a client e The radio link and client operation are checked periodically This configuration is ideal for wireless alarm sensor as exposed in example 4 More over if it is not necessary to know on which client the edge occurred it is possible to install up to 8 clients all with J32 as interrupt input activated In this case the J32 server output will fall down as soon as an event occurs on one of the 8 clients page 51 of 70 All Rights Reserved lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 IO Client 1 l n put Output not used IO Server IO Client 2 9220 77 9240 2 9241 260 9243 125 9252 2 9258 255 9260 127 9262 128 9263 0 9264 0 Outputs 131 gt updated as SOON as an y event occurs on clients inputs Example 4 Low power and fast response time Two very low power clients sends their values only once every minute but can send immediately a frame in case of falling edge lelit
50. n used in a product are strongly dependent on the antenna type and its location Particular cautions are required on the following points Use a good and efficient antenna designed for the 868 MHz band Antenna must be fixed in such a location that electronic noise cannot affect the performances outside location is ideal if available Antenna directivity must be low omni directional antenna is usually the best choice Recommended antenna specifications Frequency Band 868MHz 25MHz Radiation Pattern Omni directional Nominal Impedance 50 Q VSWR 1 5 1 max Gain OdBi Polarization Vertical Y VV ON ON WV page 61 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 I X 2 Antenna matching Impedance matching can be required to deliver the maximum possible power from the module to the antenna and vice versa This is typically accomplished by inserting a matching network into a circuit between the source and the load This matching network must be established as close as possible to the tiny module Here after an example of matching network between a B868 TinyPro module and an antenna Tiny RF Track 1 Track 2 Output St C1 C2 Antenna mu Connection LI Coil 0603 These values must be measured and DP Capacitor 0608 optimized with a Network Analyzer Track 1 500hms Width 1 2mm for a 1 6mm PCB thickness and FR4 Epoxy Track 2 Stripline mater
51. n without Telit Communications All Rights Reserved page 58 of 70 wireless solutions TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 gt Ifthe ground plane is on the opposite side a via must be used in front of each ground boundary Layout VIII 3 b Example of GND layout implantation top and bottom side Ground Plane Sri ves F i i T H H 4 TE mil d d E H 3 1 TU Ae E p A Fa El F Im 1 j e i dat GR 5 ef i ig 1 d ei E Za ge AA Se uw i St ea fi LN e n et Le E MI m j T ee a i S de F r Fs a r i a 7 A 4 p LO Yd z r d e j slet fe E et E cem q d ES s B ke Le zt ak a Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 59 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 VIII 4 B868 TinyPro interfacing full RS 232 connection VCC 04H N ii i J 22HF a m hn un in m N um um LD Female Connector SubD 8 pts l l de i ES 5P3223EEA 22 nFY 31 B 28 22 nF B BBB tiny pro HE Antenne 22HFE F IBanF B ZnH 1 fr la A los Prog On Dff IHH VCC page 60 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 CHAPTER IX ANTENNA CONSIDERATIONS I X 1 Antenna recommendations B868 TinyPro performances whe
52. nly Each bit of this register indicates if a pin should be an input CU default or output 1 Bit 0 1 01 Bit 1 1 02 Bit 2 1 07 Bit 3 1 08 Bit 4 1 03 Bit 5 1 04 Bit 6 1 05 Bit 7 1 06 261 Dedicate I O A few pins are shared between telemetry and status indicators like Status TX RX or Frame Detect By default all this pins have been affected for telemetry use but if necessary the original pin function can be recovered by setting to 1 the corresponding bit e Bit 0 l O1 or Frame Detect Bit 1 1 02 or Frame Detect Bit 2 1 07 Bit 3 1 08 or Status TX RX Bit 4 1 03 Bit 5 1 04 Bit 6 1 05 Bit 7 1 06 Some inputs are IRQ capable i e an edge occurring on an IRQ pin automatically wakes up the module and sends its lO state to the default recipient specified in SC register As S260 register each bit is dedicated to e Bit 0 1 01 IRQ not available e Bit 1 1 02 0 IRQ disable 1 IRQ enable on rising edge Bit 2 1 07 IRQ not available Bit 3 1 08 IRQ not available Bit 4 1 03 IRQ not available Bit 5 1 04 IRQ not available Bit 6 1 05 0 IRQ disable 1 IRQ enable on falling edge Bit 7 1 06 0 IRQ disable 1 IRQ enable on S262 Interrupt inputs falling edge S263 PWM output A 10kHz PWM output is available on 1 08 Set this register to 8 to activate the PWM output Reset to 0 default to disable the PWM output All other values are rese
53. odule E nl E 32 0 mm Bees TTT LE MX DLL iro _ E _ E EN un un _ m EN EN ipis Straight UD D as go uu Lu BJ E EN 4 EI 90 46040 el E VEL 1 01 gt 1 02 1 07 1 08 1 03 1 04 VDD umm 29002000000 Bata Reproduction forbiddei cal Telit Fre S p v3 written authorization All Rights Reserved III nl 4 E an 39 6 mm JZ Siraight page 20 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 I V 3 Description of the Signals Signals Description External hardware reset of the radio module Active on low state Se serial link lesions format NRZ TTL TxD is for EEN data RxD is for incoming data The 1 is represented by a high state BID Incoming signal Indicates whether the module can send serial data to user SES on low PE or not EE on BEEN nd Outgoing cia Indicates whether the user can transmit serial data on low state or not inactive on high state The signal switches either when the serial buffer is full or when the user s serial transmission is finished Indicates that the buffer transmission was done correctly The signal is activated at the end of a message transmission on
54. rious emission section 8 7 The spurious emission is a measurement of unwanted emitted signals The dawce shall ba measured without modulation applied If the carrier frequency is lt 470 MHz the equipment shall be measured for unwanted emissions from 9kHz to 4 GHz If the carrier frequency is gt 470 MHz the upper limit is 12 75 GHz All Spurs except emission al the intended channel and the adjacent channels shall be measured The requirament is given in the table and illustrated in the figure below State 47 74 MHz Other Above 87 5 118 MHz frequencies 1000 MHz 174 230 MHz below 1000 MHz Operaling i Ar 54 d r 25004 dBi TW Ar 2n 57dBm ZW 57 dBm 2004 47 Em Spurioits emission r egurumart KZ Uy Mir Frequency stability for low voltage battery operation section 8 8 gel Reproduction for page 67 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 This requirement applies for battery operated equipment only The requirement is that when reducing the operating voltage to zero the equipment should stay on the desired frequency or cease to function altogether Duty cycle section 8 9 This requirement states the transmitter on off rabo measured during 1 hr period The duty cycle ratio is found in the table on page 4 Receiver spurious radiation section 9 1 For equipment with integral antenna the radiated emission from he receiver shall be measured
55. rved Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 43 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 RAW 5264 I O copy Enables the I O copy mode e 0 disable default e 1 enable R W 265 Digital Output Specifies the value taken by outputs immediately after ape Start up value module power on Each bit is dedicated to a pin as specified in S260 register 5266 PWM Start up Specifies the duty cycle applied to the 10kHz PWM Value Output immediately after the module power on Between 0 and 255 e 0 PWM output always to 0 default e 128 50 duty cycle e 255 PWM output always to 1 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 VI 3 Detailed Features Frame syntax for mixed telemetry and data exchanges Telemetry protocol is able to execute telemetry orders while exchanging serial data It uses an addressed secured mode to insure reliability and network capabilities Data and Telemetry commands are differenced using and T characters respectively gt A data frame is sent as following Address Data example 2 hello sends hello on the serial link of module N 2 While telemetry orders are sent as following Address T Telemetry_order example 3T 0x02 lt CR gt request the input values of module N 3 The telemetry fra
56. s S p A written authorization All Rights Reserved lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 Operating Mode configuration The Operating mode configuration is set via the S22x registers Through them you can Set the operating mode S220 Set the number of retries S223 Set the LBT S226 Set the random waiting time S227 The Operating Mode parameters are preferably set in the following order 1 Operating Mode S220 This is the most significant register it tells how the B868 TinyPro must run The available operating modes are Value Mode 1 Transparent Mode default 9 Addressed Secured Mode Downloader over the air Auto repeat Mode 2 LBT S226 This register allows activating and setting up the LBT functionality The LBT sensitivity refers to the detected RF level over which the RF link is considered as occupied Value LBT Comment 0 OFF default ON with high sensitivity LBT with detection for RF gt 87dBm ON with medium sensitivity LBT with detection for RF gt 82dBm ON with low sensitivity LBT with detection for RF gt 77dBm 3 Number of repetitions S223 This register is used in Addressed Secured mode It is the number of times the message will be repeated in case of non acknowledgement or the number of times the module will try to send the message in case of the radio link is not free when LBT functionality is activated This regist
57. t with 8 bits resolution duty cycle writable either locally or remotely HO copy between 2 modules or more in star architecture to update digital output according to digital input from another module Independent I O and data binding to route data and I O frame to different target 8 pins are reserved for user telemetry application All pins are digital I O capable and some pin has specific functionalities shown in the following table Digital IO Analog input IRQ input PWM input PWM output 1 Interrupt event on rising edge 2 Interrupt event on falling edge F F LE d d gt a Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 41 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 VI 2 Registers Description Most of registers described in previous chapter are available in telemetry firmware Below are listed registers specific to this protocol Access Register Name Description Serial Link 5216 Flow Control Indicates flow control type e 0 Hardware CTS RTS default e 1 Software Xon Xoff e 2 None R W 220 Function Mode Operating mode of the Modem e 6 Telemetry Master e 7 Telemetry Client default Low power and timing R W 5240 Type of Low Only available on Telemetry client power 0 Low Power disable default 1 Low Power Hard activated by Std By pin 2 Low Power Soft
58. thout Telit Communications S p A written authorization All Rights Reserved page 24 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 V 2 Operating Mode There are 4 communication protocols available on the B868 TinyPro module Transparent mode this is the default communication protocol of the module The module transmits the data transparently without encapsulation or addressing lt acts as a half duplex wired serial link type RS485 Addressed Secured mode it is a kind of multipoint network protocol Each module can communicate with every module in the same network All the frames are addressed checked through a CRC and acknowledged Downloader over the air this is a specific communication protocol allowing re flashing of remote module Auto repeat mode this is a specific communication protocol in which the module sends back the frames it has received radio or serial without echoing It allows the user to easily test the module remotely For the classical communication protocols Transparent and Addressed Secured an additional functionality is available LBT Listen Before Talk lt means that the transmitting module will scan the radio link and verify it is free no radio activity before sending its data to avoid collision Basic Illustration of Transparent mode Module N 1 Module N 2 Module N 33 1 sends ABCD lt ABCD gt lt ABCD gt lt ABCD gt 2 2sends Hello
59. used to configure the operation This register is a group of 4 flag bits X Header Bit 0 default 1 if set to 1 the frames sent on the serial link will be preceded with a header showing the sender address This frame will be as follows for each settings of the bit 2 1 data if the header is ASCII lt 0x01 gt data if the header is numeric If set to O the receiver will not know where the frame comes from Carriage Return Bit 1 default 0 if set to 1 the frame sent on the serial link will be followed by a CR character lt 0x0D gt Numeric Header Bit 2 default 0 Used when bit 0 is set to 1 it selects the type of header for transmission or reception to ASCII 0 or numeric 1 Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 33 of 70 lelit TinyOne Pro 868MHz User Guide 1vv0300816 Rev 0 17 04 2009 V Status answer Bit 4 default 0 defines if the B868 TinyPro returns a transmission status after sending a frame If set to 1 no answer the modem will give no information if the frame has been received on the remote side or not If set to 1 answer it returns OK if the acknowledge has been received ERROR otherwise v 2bytes Numeric Header Bit 5 default 0 Used when bit 2 is set to 1 it defines if the numeric header is on 1 byte 0 for less than 255 modems or 2 bytes 1 for up to 65535 modems This bit has no effect if
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