A UART TTL modules User Guide
Contents
1. k 23 28 1 95 Bu19 Jas 2 9 k 415 gt e 26 65 au feopeds ale g 185 LE MODULE a 1 35 7911131517 192123 bi Oo MOTHER BOARD 2 46 81012141618 202224 SOLDER PAD ls jo 26 65 z 5 BES PRES 8 SOLDER SIDE a UNIT MILLIMETER Figure 1 Plugged module mechanical feature This module has been designed to be plugged as describe above If this assembly doesn t suit your requirement please have a look to Annex 3 mainly for horizontal mounting Ref 07 12 V5 ptr p 5 A User Guide Signal description Inter 1 0 Description Alternate face Name function Pin Digital interface 1 GND Ground 2 VDD Operating voltage 8 TXD O Serial data transmission 7 RXD I Serial data reception O Request To Send RTS GND the transceiver is able to 3 RTS receive serial data RTS VDD serial data received by the transceiver are lost 10 RESET I Transceiver Hardware RESET active LOW 5 PWD I Power down management GPIO1 I O Extended general purpose I O ip PCO 13 Ba I O Extended general purpose I O RS485 GPIO3 I O Extended general purpose I O gi PC2 GPIO4 I O Extended general purpose I O RS485 E PC3 GPIO5 I O Extended general purpose I O RS485 12 PC4 9 GPIO6 I O Extended general purpose I O or I input PC5 onl2. Type Register Function Description Default Note value R W S213 Stop bits 1 1 stop bit 1 5 2 2 stop bit R W S214 Command Time out duration for detecting the 3 1 timeout pattern unit ms From 3 up to 240 R W S215 Interface type 0 RS232 only 1 1 RS232 or RS485 managed DE RE lines R W S216 Handshake PO hardware RTS restricted to 2 laddressed protocol 2 none R W S219 RS485 delay Delay between DE activation and the first 3 RS485 transmitted byte From 0 up to 160 Protocol R W S220 Protocol 1 transparent mode 6 6 addressed R W 252 Reception From 0 up to FFFF laddress Used in addressed protocol only for filtering incoming frame R W S256 Transmission From 0 up to FFFF laddress Used in addressed protocol only added to lout coming frame Miscellaneous R W S232 Power 0 disable modes 0 management 1 immediately enter standby mode 2 enable low power down mode NOTE 1 when a serial speed change is requested the S214 and S217 registers values are automatically set to a value greater or equal than the duration of three characters in the requested speed 13 ms for 2400 bauds 7 ms for 4800 3 ms otherwise Ref 07 12 V5 ptr p 20 A User Guide NOTE 2 streaming mode without flow control Be careful gt using a serial rate greater to the radio rate must produce character losts if the flow control is not
3. Glossary TBD To Be Defined NC Not Connected NU Not Used FHSS Frequency Hopping Spread Spectrum FIFO First In First Out WB Wide Band NB Narrow Band Ref 07 12 V5 ptr p 25 AF User Guide ANNEX 1 Alternative mounting If the module cannot be plugged directly on the motherboard it is possible to mount a connector However we do not recommend this use to keep the radio stability of the module Some references of connector Module header Vertical Male header Antelec ref AM2D 200 26 6 G Motherboard receptacle e Vertical Female receptacle Through Hole Antelec ref AF2D 200 26G e Right Angle Female receptacle Through Hole Antelec ref AF2C 200 26 49 G e Vertical Female receptacle Surface Mount Antelec ref AF2D 200 26 G CMS e Right Angle Female receptacle Surface Mount Antelec ref F2C 200 026 G CMS ANNEX 2 Firmware updates Firmware Updates Document Updates V4 NB configuration when leaving factory electrical specification VIx VOx Ref 07 12 V5 ptr p 26
4. mode allows the module to enter the low power consumption mode Disable Low Power down mode In command mode enter the AT command ATS232 0 lt cr gt the S232 register is not applicable Ref 07 12 V5 ptr p 23 Specifications Embedded protocol Embedded profiles Link set up and status Radio rough data rate UART programmable format UART TTL ports Transceiver multi modes Programmable Frequency Channelization Programmable Radiated RF power Sensitivity Operating range open space RSSI level Operating voltage TX RX consumption max Ref 07 12 V5 ptr AR User Guide 868 870 MHz European version ADEUNIS RF enhanced amp versatile RF comms manager High Data rate Monochannel modem Middle Data Rate Monochannel modem Through Hayes commands 10 000 amp 57 600 bps Serial rate from 600 bps to 57 6 kbps TXD RXD RTS CTS or RS485 driving capability Transparent or Addressed 869 4 to 869 65 MHz Europa Adjusted to improve sensitivity wide and narrow band Up to 500 mW 27 dBm Down to 110 dBm for 10 PN9 External antenna up to 3000 m RF signal qualification Regulated 3 3V nominal 2 7 to 3 6 V 700 mA 35 mA p 24 AF User Guide Power Down current lt 30 UA to be defined Operating temperature 30 C 70 C Dimensions 42 x 20x 4 mm Standards compliance EN 300 220 EN 301 489 References ARF7429A Plugged module without antenna
5. technological knowledge ADEUNIS RF proposes its technical proficiency to its customers for a pre compliance qualification of end products In case of no conformity ADEUNIS RF will not be held back responsible if this stage has not been realised Crolles November 6th 2007 VINCENT Herv Quality manager N Download of the user guide Thank you for having chosen the ADEUNIS RF products NOTA this product is set up in Narrow Band channel 19 to optimize the range The radio data rate is then limited to 10 kBps To modify these parameters thank you to apply the instructions mentioned on the user guide downloadable on our web site www adeunis rf com Index Products Paragraph OEM Modules gt UART TTL Transceivers Print version available upon request v Tel 334769207 77 v Email arf adeunis rf com Ref 07 12 V5 ptr p 3 AF User Guide Overview The ARF54 radio transceiver converts data from a serial link into a radio frame to be sent to a similar piece of equipment The communication is half duplex The operating parameters of these radio transceivers serial link radio management can be fully updated through AT commands via the serial link ESTATE Interface Mechanical specification The transceiver is available in only one format plugged module without antenna Ref 07 12 V5 ptr p 4 AR User Guide The PCB width is 12 10 mm k 4161 e 28 88 135 7911131517 192123
6. GND Ref 07 12 V5 ptr p 7 A 4 User Guide RS485 control lines managed with only one control line Transceiver interface RS485 differential bus DE GPIO4 or RE GPIO2 q SERNER i it H Ioi i 1 i i 3 i 1 1 i Js RXD A ENABLE485 GPIO7 io vi GND Configuration required 215 1 and ENABLE485 GPIO7 tied to GND CAUTION e the ENABLE485 is read ONLY at power up Changing the ENABLE485 GPIO7 when the transceiver is already running will not be taken in account e when activating the RS485 interface the GPIO5 will be set as an output 215 ENABLE DE RE Note GPI GPI GPI GPI Value 485 state 02 04 05 07 GPI 07 1 GND Output RS485 control lines Outp Outp Outp Input management ut ut ut 1 VDD Input RS232 configuration Input Input Input Input 0 Input Input RS232 configuration Input Input Input Input Table 1 R485 232 configuration settings Ref 07 12 V5 ptr p 8 A User Guide By default the DE and RE lines are asserted LOW allowing the reception of characters from the RS485 differential bus The DE and RE lines are asserted HIGH only when one or several characters have to be transmitted over the RS485 differential bus when a radio frame is demodulated the lines are asserted HIGH and then the data extracted from the radio frame are sent to the module TXD line and therefore to the RS485 differential bus When t
7. MD RE Adeunis VICIO pro A UART TTL modules User Guide No part of this document may be reproduced or transmitted in electronic or paper version photocopy without Adeunis RF consent This document is subject to change without notice All trademarks mentioned in this guide are the property of their respective owner ADEUNIS RF 283 rue Louis N el 38920 Crolles France Phone 33 0 4 76 92 07 77 Fax 33 0 4 76 08 97 46 Ref 07 12 V5 ptr A User Guide Table of Contents About this DOocUMeNt ccooncccnncccnnnnccnnnnnnnnanccnnncnnnnrncnnnnnnnnarcnnnnennnnnrnnnnnrrnnnrrnnnncnnns 2 Declaration of Conformity Download of the user guide Overview Interface Mechanical specification Signal description General purpose I O extended functionality Radio communication Radio communication Radio channels Channel adjustment Radio rate selection Channel rejection Transceiver operating mode Command mode Transceiver mode Transparent mode Addressed mode Transceiver state machine AT COMMANDS Description Set of commands Register description Power management standby mode and low power mode Specifications ccccccceeeeeeeeeeeeeeeeeeeeeeeeeaeneeeeeeeeeaeeeeeeeseaaeeeeeeeeeeeaeeeeeeeseeeeeenee 24 A NN 25 ANNEX 1 Alternative mounting ANNEX 2 Firmware updates Ref 07 12 V5 ptr p 1 AF
8. User Guide About this Document This guide describes the Af devices their options and accessories Ref 07 12 V5 ptr p 2 A User Guide Declaration of Conformity Ad uris CE Manufacturer s name ADEUNIS R F Manufacturer s address Parc Technologique PRE ROUX IV 283 rue Louis NEEL 38920 CROLLES FRANCE declares that the product if used and installed according to the user guide available on our web site www adeunis rf com Product Name ARF54 Product Number s ARF7429A is designed to comply with the RTTE Directive 99 5 EC EMC according to the harmonized standard EN 301 489 Safety according to the standard EN 60950 1 2001 Radio according to harmonized standard EN 300 220 covering essential radio requirements of the RTTE directive Notes Conformity has been evaluated according to the procedure described in Annex III of the RTTE directive Receiver class if applicable 3 According to the 1999 519 EC recommendation minimum distance between the product and the body could be required depending on the module integration Warnings CE marking applies only to End Products Because this equipment is only a subassembly conformity testing has been reduced equipment has been design in accordance to standards but full testing is impossible Manufacturer of End Products based on such a solution has to insure full conformity to be able to CE label marking As the integration of a radio module requires wireless
9. by the European Radio communications Committee ERC under CEPT Ref 07 12 V5 ptr p 10 AF User Guide Radio channels 869 MHz version The Wide Band channel are selected according to the following table Channel Frequency 200 MHz E 1i 869 525 Fiqure 3 Wide band channels The 3 Narrow Band channels are selected according to the following table Channel Frequency S200 MHz 19 869 450 ss 86955 85 869 600 Fiqure 4 Narrow Band channels Channel adjustment The S200 register allows choosing the desired channel and the associated radio rate see Erreur Source du renvoi introuvable Radio rate selection For 869 MHz version the Radio rate selection is automatically done when setting the channel number If you choose a channel number gt 14 Narrow Band the radio rate will automatically switch to 10 kbit s Ref 07 12 V5 ptr p 11 AR User Guide If you choose a channel number lt 14 the module will operate in the Wide Band configuration The radio rate will switch automatically to 57600 bit s Channel rejection The graph below shows the typical channels rejection in WideBand WB and NarrowBand NB modes 80 70 60 50 y 40 rejection dB 30 20 10 2000 1750 1500 1250 1000 750 500 250 O 250 500 750 1000 1250 1500 1750 2000 frequency step Fchannel kHz Particular attention is re
10. consecutive Idle line for S214 duration duration RxD ine lt gt lt TRANSCEIVER MODE COMMAND MODE Exiting command mode return back in transceiver mode send the serial command ATO lt cr gt Ref 07 12 V5 ptr p 13 A User Guide Transceiver mode In transceiver mode two protocols are available 1 Transparent mode without flow control 2 Addressed mode with flow control see register S216 The communication is always half duplex The radio transmission is processed prior to the radio reception when the transceiver is sending a radio frame it is not able to decode any incoming radio frame If no data are sent on the serial link the modem is waiting for radio reception Each radio frame sent by another modem is received and the validated data extracted from the radio frame are sent on the serial link When the last character has been sent on the serial link it is possible to send an answer at least 100 us minimum after the end of this last character DD CMD RXD REPLY im All the data received on the serial link are encapsulated in a radio frame The radio frame format depends on the used protocol When acting as transceiver the radio frame transmission always starts under the following conditions Detection of a silence on the serial link greater than S217 after the reception of the latest character Or when the number of received characters from the serial link is higher or
11. equal to the maximum radio frame size S218 Ref 07 12 V5 ptr p 14 A User Guide Transparent mode In transparent mode the modem acts as a wire serial link It means that alternately the modem sends on the radio the data received from the serial link and sends on the serial link the data received from the radio The radio frame format is lt Preamble gt lt synchro gt DATA lt postambule gt Preamble synchronisation and postambule are used for the radio reception Addressed mode In transmission mode data received on the serial link are sent on the radio link with the following format lt Preamble gt lt synchro gt lt Address gt DATA lt postambule gt Preamble synchronisation and postambule are used for the radio reception e The Address field is set up with S256 value LSB first e In reception mode The lt Address gt field of the radio frame is checked with the reception address S252 e Ifthe radio frame address matches the transceiver reception address S252 DATA and only DATA are transmitted on the serial link Otherwise received data are silently discarded Transceiver state machine When operating in transceiver mode the RF transmission state machine is Idle state of the transceiver by default the transceiver is waiting for incoming data on the RS232 link and for incoming radio frame on the radio link Ref 07 12 V5 ptr p 15 A User Guide The RS232 link has a highe
12. fic string when specified Ref 07 12 V5 ptr p 16 A User Guide Set of commands Commands Description Operating mode selection ATO Return back to transceiver mode lt silence gt lt silence gt Command mode activation The sequence must be preceded and followed by a calibrated silence no other character Registers management ATSn Displays the Sn register content where n represents the register number The response has the following format Sn y lt cr gt lt lf gt ATSn m Sets the Sn register value with m n represents the register number AT amp W Saves the new register configuration in EEPROM Each time you switch on the modem the EEPROM configuration will be loaded in the modem registers AT S Displays all register values The response has the following format Sxxx y lt cr gt lt If gt for each register AT V Software version display The response has the following format Adeunis RF Versatile Modem II 868 MHz 500mW Vxx yy lt cr gt lt If gt ATR Restore the register default values Test modes ATT1 Pure Carrier data 0 transmission using current channel The output of this mode is achieved by reception of any character on the serial link ATT2 Pure Carrier data 1 transmission using current channel The output of this mode is achieved by reception of any character on the serial link ATT3 ATT6 Modulation using current channel T
13. he last character has been transmitted over the RS485 differential bus the lines are asserted LOW e TXD n DATA bytes lt gt Td Th e old DE RE Figure 2 DE RE timing when data are sent over the serial link e Thold minimum 1 us e Tde set according to the S219 register value see table hereafter S219 0 1 2 3 4 5 10 20 40 60 80 Tde 15 35 65 135 150 190 330 600 1 1 1 7 2 3 min us us us us us us us us ms ms ms e In command mode when a reply is sent back on the TXD line according to the following DE RE timing RXD _ CMD TXD REPLY Ref 07 12 V5 ptr p 9 DE RE AF User Guide lt gt gt 700 us gt gt 100us 100us Radio communication Radio communication 869 MHz version This modem has several channels over the 863 870 MHz Band that can be selected using AT commands distributed in Wide Band and Narrow Band Wide Band channel Narrow 1 Wide Band channels 57 6 kbit s air rate channel spacing 500 kHz Sensitivity 105 dBm Adjacent channel rejection see chapter Channel rejection Band channel 3 Narrow Band channels 10 kbit s air rate channel spacing 100 kHz Sensitivity 110 dBm Adjacent channel rejection see chapter Channel rejection This module is designed to operate according to CEPT ERC REC 70 03 recommendation This recommendation has been drawn up
14. he output of this mode is achieved by reception of any character on the serial link ATT3 0 9 KHz modulation ATT4 3 6 KHz modulation ATTS 14 4 KHz modulation ATT6 28 8 KHz modulation AT S is not available for baud rate lower than 2400 bauds Ref 07 12 V5 ptr p 17 A User Guide Register description The register value could be updated using the ATSn m lt cr gt command and displayed using ATSn lt cr gt command At power up the previous transceiver configuration is restored from E2PROM non volatile to RAM The registers are located in RAM registers any modification is performed on RAM registers To save current register configurations it is necessary to use the AT amp W lt cr gt command If not the updated parameters are lost in case of power shortage The registers are shared in 2 types read only R or read write R W Type Register Function Description Default Note value Radio management R W S200 Channel number Radio channel for 896 MHz version 1 3 1 Wide Band channel 19 84 ou 85 Narrow Band channels When leaving factory this product is set up in Narrow Band channel 19 to optimize the range R W S202 Command mode Automatic command mode exit 0 auto exit O no specific management the command mode will be exited only when an ATO command is issued From 1 to 60 timeout in second gt If no activity no character command reception is de
15. mmand must be sent using the new serial format NOTE 6 the 232 management is described in the following paragraph Power management standby mode and low power mode Two modes are available for power management A standby mode with a short wake up time A low power consumption mode with a longer wake up time including supply stabilisation and radio calibration Standby mode Low power consumption mode Entered When in command mode When in transceiver mode How set S232 register to 1 How a high level or pin left issuing the AT command unconnected on the PWD signal puts the module in low power ATS232 1 lt cr gt mode Condition the low power mode consumption must be enabled see hereafter How when receiving the Exited following string How a low level on PWD signal ATS232 0 wakes up the device pa after e up State after wake up rales en mods transceiver mode Consumpt lt 4 mA 2 5 mA typical to be lt 30 pA To be refined ion refined Wake up lt 100 us 5 ms time Ref 07 12 V5 ptr p 22 AF User Guide Enable Low Power down mode The low power down mode is managed only after its activation Applying a High level on the PWD signal when the mode has not been activated has no effect the module is still running in its current mode In command mode send the AT command ATS232 2 lt cr gt After this a High level applied on PWD signal during transceiver
16. quired for product installation In the case where several links must works in the same area independently of the channel positions the minimum distance between 2 products belonging to different radio links is 3 meters Even with this precaution depending of the product environment channel rejection could be reduced Transceiver operating mode Two operating modes are available 1 Command mode usage of AT commands 2 Transceiver or normal mode serial data are transmitted on radio link Ref 07 12 V5 ptr p 12 A User Guide At power up the transceiver is in transceiver mode it is able to send receive data to from the radio link according to its current parameter configuration Command mode The command mode is used to read and update the modem configuration registers using AT command In command mode the radio is inhibited reception and transmission excepted when using test command Entering command mode issues on the serial link a sequence The sequence of 3 consecutive characters is accepted only if no character have been seen before and after the sequence Register S214 defines the silence duration Tips 1 if you are using a terminal such as Hyperterm you have to send the sequence using a text file first create a text file containing only the characters and then use in Hyperterm the command Send text file in the Transfer menu Tips 2 Idle line for S214
17. r priority than the radio link if a radio frame is demodulated meanwhile some RS232 characters are detected on the serial link the radio frame will be discarded and the RS232 incoming data will be processed Processing incoming RS232 data the incoming RS232 data are internally buffered The buffered data are sent in a radio frame the RF modulation is started when almost one of the following conditions occurs if a break silence greater than S217 timeout is detected on the incoming serial flow no more data to be sent if the radio buffer size is reached the number of buffered characters are equal or greater than the S218 size Processing incoming radio frame the valid data are extracted from the incoming radio frame and internally buffered The buffered data are sent on the fly to the RS232 module output AT COMMANDS Description AT commands are interpreted only when the transceiver is in Command mode Command are used to read and update the modem parameters e A command starts with the 2 ASCII AT characters AT means Attention follow with one or several characters or other data e Each command is ended with lt cr gt carriage return In the same command the time between 2 characters must be less than 10s Response is sent back for each command on the serial link The answer is e O lt cr gt ASCII character 0x4F for accepted command or OK command e E lt cr gt for error e Speci
18. tected in command mode for the programmed timeout the command mode will be exited The module is back to transceiver mode R W S204 Preamble Preamble duration unit ms 5 4 duration From 4 up to 50 R W S217 Serial timeout for Serial timeout before starting radio 3 1 radio transmission unit ms From 3 up to 240 Ref 07 12 V5 ptr p 18 A User Guide Type Register Function Description Default Note value R W S218 Radio frame Size of the radio frame from 1 up to 240 128 length When this size is reached 1 the transceiver sends a radio frame 2 The RTS signal is activated pull to VDD only if the module is loperating in the addressed mode R S230 RSSI level Displays the reception level of the latest None received message Response S230 xxx dBm lt cr gt lt If gt with xxx decimal value Example S230 80 dBm R W S231 RF OUT level Adjusts the RF out level O gt 20 dBm 100 mw 1 gt 23 dBm 200 mW 2 gt 24 5 dBm lt 450 mA for USB power supply 3 gt 27 dBm 500 mW Serial link R W S210 Baudrate Serial link rate in bits s 4 1 2 0 600 5 M1 1200 2 2 400 3 4 800 4 9 600 5 19 200 6 38 400 17 57 600 R W S211 Data length 17 7 bits 8 5 8 8 bits R W S212 Parity 1 none 1 5 2 even 3 odd Ref 07 12 V5 ptr p 19 A User Guide
19. used If the radio rate is equal to the serial rate the radio frame is longer than the serial frame due to radio protocol overhead but the radio overhead will be generated only when the radio transmission begins gt this overhead will be absorbed by internal buffer size For example if the current radio rate is 10 kbit s a serial rate of 9 600 should be used without flow control while using a serial rate of 19 200 with 10 kbit s for the radio rate will produce data overrun For avoiding character lost you should 1 use the flow control addressed mode with hardware handshake 2 or use a serial rate lower or equal to the radio rate 3 or limit the size of serial data to the maximum size of the internal buffer S218 NOTE 3 S200 register see chapt Erreur Source du renvoi introuvable and chapt Erreur Source du renvoi introuvable NOTE 4 The preamble duration is linked to the current radio rate The preamble values are Default preamble Minimum preamble value value WB channel high radio rate mo 4ms NB channel 20 ms 10 ms low radio rate BE CAREFUL Keep in mind reducing preamble duration below default value will reduce transmission delay but generate possible frame error rate up to 1 or 2 1000 Ref 07 12 V5 ptr p 21 NOTE 5 AF User Guide when changing the serial link configuration rate parity stop bit the answer is done using the old serial link format the next co
20. y for the American version 6 GPIO7 I O Extended general purpose I O RS485 PD5 15 GPIO8 ADC Analog to digital conversion ADC7 17 18 GND Ground RF interface 19 20 GND RF RF antenna ground 21 22 RF RF antenna IN OUT in out 23 24 GND RF RF antenna ground Ref 07 12 V5 ptr p 6 AF User Guide Description Min Max Unit Vill Input low voltage except 0 5 0 3VDD V RESET Vihi Input High voltage except 0 6VDD VDD 0 5 V RESET Vil2 RESET Input low voltage 0 5 0 2VDD V Vih2 RESET Input High voltage 0 9VDD VDD 0 5 V RESET pulse width 2 5 us General purpose O extended functionality RS485 interface The S215 register allows enabling the management of the control lines RE and DE lines of most RS485 buffer The following figures illustrate the RS485 wiring and the configuration required for activating the DE and RE management Even one line is sufficient for more flexibility two different lines could managed the DE and RE RS485 control lines Hereafter a connection example with both lines or one line only R5485 control lines managed with two different control lines R5485 buffer Transcetver interface RS485 differential bus i DE DE GPIOS el o lett TXO i p gt z E E ee JRE GPIO2 p A RXD p lt A B 4 JENABLE485 GP1O7 E GND Configuration required 5215 1 and ENABLE485 GPTO7 tied to
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