CM42 Integrators Manual C - Sierra Wireless, Inc. :: File Archive
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1. Clear To Send This signal is initially set high indicating that the module is not ready to receive data It is set low after the module is done performing its startup procedure indicating that it is ready to receive data Data Terminal Ready This signal should be set high by the application during a data call A high to low transition will terminate the data call Transmit Serial Data To Module DTMS The application shall set this signal high at startup Request To Send The application shall set this pin low when it is ready to receive data Receive Serial Data From Module DFMS The module will set this signal high at startup Table 13 Serial Data Channels All the serial channel related signals have the same electrical characteristics In the following table you can see some of these characteristics The common CMOS electrical specifications defined in Section 2 3 2 above are valid for all these signals The standard character format is 1 start bit 8 data bits non parity and 1 stop bit In all there are 10 bits per character SEM CX 02 0076 DES Rev C 3 we Sony Ericsson CM 42 Integrator s Manual PAGE 18 OF 37 Note The signal levels do not match the standard RS 232 V 28 If the application signal levels are not compatible with the CMOS levels described in Table 2 then electrical protection level limiters or level conversion hardware will be necessary between the CM 42 module and the application 2 3 6 Gene2. VREF VREF 1 100k VPPFLASH_EN A 23 VPPFLASH DCD Figure 10 Data Group Diagram SEM CX 02 0076 DES Rev C 4 S Q Sony Ericsson CM 42 Integrator s Manual PAGE 25 OF 37 2 3 8 2 1 VPPFLASH DCD This signal located on pin 23 in the system connector can be used by the application to enable flashing of the phone module To enter flash mode the application shall set VPPFLASH_EN active high then enable the MODULE DW EN B pin 2 3 8 3 PCM Group Recommended Circuitry The PCM group contains four signals three input signals to the application and one output signal from the application Application Phone Module PCM_IN PCM_SYNC PCM_CLK 19 PCMULD 18 PCMSYNC 17 PCMCLK 20 PCMDLD Q PCM_OUT Figure 11 PCM Group Diagram SEM CX 02 0076 DES Rev C 3 R Q Sony Ericsson CM 42 Integrator s Manual PAGE 26 OF 37 2 3 8 4 Analog Audio Group Recommended Circuitry 2 3 8 4 1 Creating an analog ground An analog ground plane should be generated which connects to GND in one point so that high frequency digital current is not floating through the analog ground Connecting the analog ground in only one point avoids ground currents from power supplies and other high current circuitry from creating noise in the analog circuitry This common point should be lo
3. Note 1 The application IO can be one of the following listed types Logic input no pull up or pull down resistors required IOC Logic open collector input O Logic output no pull up or pull down resistors required OOC Logic open collector output e I O Logic I O The pin direction in this table is seen from the application s point of view Application Requirements App I O HW flow control is by default enabled in the phone module Logic output to phone module The application o ee shall set this output active high upon startup Lt RD DFMS Logic input from phone module Logic output to phone module Pulled down by the phone module R gt 20k The application shall set this pin active low when ready to receive data Logic input from phone module This signal is 25 CTS initially set high indicating that the phone module is not ready to receive data It is set low when the phone module is ready to receive data Logic output to phone module This signal is pulled up in the phone module R gt 20k This signal should be set high by the application during a data call A high to low transition will terminate the data call This signal is asserted logic high by the 26 DTR application when it wishes to open a communications channel The phone module then prepares the modem to be connected to the telephone circuit and once connected maintains the connection When DTR is de asserted logic low
4. Stationary vibration random Non stationary vibration including shock Bump Free fall transportation Rolling pitching transportation Static load Low air pressure high air pressure Phone memory Maximum number of entries stored in the phone book Maximum number of SMS messages 155 70 mm 49 50 mm 18 97 mm 68 2 g 5 00 Volts 13 8 Volts 4 50 5 50 Volts 11 0 16 5 Volts TX 824 849 TX 824 849 TX 1850 1910 RX 869 894 RX 869 894 RX 1930 1990 50 Q 50 Q 50 Q 2 1 2 1 2 1 30 C to 70 C EIA TIA IS 2000 40 C to 30 C 3dB Degradation beyond 30 C Spec 70 C to 85 C 3dB Degradation beyond 70 C Spec 40 C to 85 C 95 3 at 40 C Acceleration spectral density Im jet 0 96 2 88 0 96 Frequency range 5 10 10 200 200 500 60 min per axis e Shock response spectrum I peak acceleration 3 shocks in each axis and direction 300 me 11 ms e Shock response spectrum II peak acceleration 3 shocks in each axis and direction 1000 m s 6 ms Acceleration 250 m s 1 2m Angle 35 degrees period 8s 10 kPa 70 kPa 106 kPa 200 128 entries or a total of 16 kBytes of data SEM CX 02 0076 DES Rev C
5. Fakra Antenna Connector ITT Cannon Various Http www ittcannon com and cabling and cabling and cabling 1 4 Related Documents CM 42 AT Command Manual Details the AT command interface for the CM 42 The CM 42 is based upon the following mobile standards e IS 2000 Release 0 1XRTT MOB_P_REV 6 CDMA protocol TIA EIA IS 91 Mobile Station Base Station Compatibility Standard for 800 MHz Analog Cellular TIA EIA 98 D Recommend Minimum Performance Standards for Dual Mode Spread Spectrum Mobile Stations These standards define the requirements for a PCS Cellular System mobile station using Code Division Multiple Access CDMA technology while maintaining compatibility with AMPS analog technology 1 5 Abbreviations RD Receive Data also known as DEMS _ o S SEM CX 02 0076 DES Rev C Q Sony Ericsson CM 42 Integrator s Manual PAGE 6 OF 37 2 Integrating the CM 42 Module 2 1 Overview The CM 42 is a dual band CDMA AMPS 800 and CDMA 1900 MHz transceiver module It is designed for consumer and OEM industrial voice and data applications The CM 42 module is intended for mounting into an application developer s chassis to provide wireless communication capability for the product The target chassis may take a wide variety of forms such as a residential electric meter a point of sale terminal an alarm panel or an automobile console All initial configuration mode control and operational commands are
6. and also for the maximum mechanical strength For applications where a bulkhead connection is required an end launch SMA is also available For automotive applications a FAKRA type connector is available which provides a double locking mechanism as well as a keyed color coded interface as shown below SAREE U L i 5 00 4x 2 74 2 4 s 97 HIGH TEMPERATURE PLASTIC FAKRA CODE amp COLOR SEE FIGURE 2 ZINC ALLOY HOUSING TIN LEAD PLATED RS REF Figure 16 FAKRA Connector Detail SEM CX 02 0076 DES Rev C 7 we Sony Ericsson CM 42 Integrator s Manual PAGE 30 OF 37 sie at e te e ete Figure 17 Overview mechanical and color coding The physical dimensions of a sample SMA connector and mounting hole are shown in the drawing below F o o sia o 8 wi o o gt 5 08 JF amp d 32 Figure 18 SMA Right Angle Through Hole Connector Dimensions are in mm Electrical performance parameters are valid only when the terminating impedance at the output of the antenna connector exhibits a VSWR of less than 2 1 for all phase angles in the frequency band of operation High VSWR loads at the antenna connector adversely affect current consumption linearity and power efficiency of the module and may degrade operation however internal protection circuitry has been added to the design to prevent damage SEM CX 02 0076 DES Rev C Q sony Ericsson CM 42 Integrator s Manual PAGE 3
7. intended use of the CM 42 module A list of related documents as well as a list of abbreviations used throughout the manual is also included Information concerning Service and Support is also presented Chapter 2 focuses on helping the hardware developer integrate the CM 42 hardware into their application An overview of the mechanical and electrical information is provided Also interface specifications RF output Power Class power consumption and recommended application circuits are included in this chapter A section briefly describing several of the common cellular functions is also provided A summary of the mechanical dimensions power requirements and environmental specifications can be found at the end of the chapter 1 3 Service and Support 1 3 1 Web Pages Please look at our web pages for more information about where you can buy our modules or for recommendations of accessories and components The address is http www SonyEricsson com M2M To register for product news and announcements or for product questions contact the Sony Ericsson modules Technical Support group e Telephone 919 472 1122 staffed Monday Friday 9 00 AM 5 00 PM EST e Email Modules SupporttUSA SonyEricsson com SEM CX 02 0076 DES Rev C yo Q Sony Ericsson CM 42 Integrator s Manual PAGE 5 OF 37 1 3 2 Component Suppliers Description Vendor Part Additional Information System Connector ODU 515 569 035 140 xxx http www odu de
8. the phone module is switched to on hook to terminate the connection DCD Logic input from phone module This signal is set default high It goes low indicating that a data or fax call is established CONNECT received from remote modem The signal goes high when data connection is disconnected Sent from the phone module DCE to the 23 VPPFLASH DCD application DTE to indicate that it has received a basic carrier signal from a remote DCE VPPFLASH The application shall not apply a voltage to this pin unless they intend to use it as VPPFLASH in which case it becomes a power output SEM CX 02 0076 DES Rev C gt a Q sony Ericsson CM 42 Integrator s Manual PAGE 20 OF 37 Group PinNo Name Application Requirements App W O PCM a a a 18 PCMSYNC_ Logic input from phone module 17 PCMCLK Loge input from phone module Analog reference This sana is an analog reference output by the phone module This signal is connected to GND in one place in the phone AGND module Under no circumstances shall it be Analog connected to any ground or be used as ground in Audio the application See 2 4 for more detailed information O 10 ATMS Single ended audio output to phone module e IT IAEMS 1 Single ended audio input from phone module 1 AFMS Single ended audio input from phone module E o Logic open collector output that is set low by the application to enable power to the phone module The pull
9. 28 OF 37 2 3 8 4 4 Microphone path An application using the analog audio interface must re reference the signal from its own internal BIAS to AGND received from the module The figure below shows an example of a microphone implementation Figure 14 Microphone Path Diagram The microphone should preferably be connected to its pre amplifier differentially which will minimize noise picked up along the way from the microphone to its amplifier If the impedance is the same on both microphone lines and the lines are run in parallel the same amount of noise is picked up on both lines This noise is then removed in the differential amplifier stage SEM CX 02 0076 DES Rev C 3 we Sony Ericsson CM 42 Integrator s Manual PAGE 29 OF 37 2 3 8 4 5 Loudspeaker path An application using the analog audio interface must re reference the AFMS signal from AGND to its own internal BIAS The figure shows a differential implementation C1 is chosen to create the correct HP frequency response R1 and R2 determine the gain and C2 and R2 determine the LP frequency response Internal App A pp Internal App A pp Figure 15 Loudspeaker Diagram 2 4 Antenna Connector A variety of antenna connectors are available for the CM 4X module including SMA SMB MCX and BNC A standard 5 pin thru hole pattern has been selected because of the wide variety of compatible connectors available
10. 850 1000 45 Standby waiting for page 40 4wa Table 5 Power Consumption 2 3 3 1 1 Power Down Mode Minimum DC Power consumption A power down mode is available in which the module is placed in a low power consumption state under control of the host application In this mode the unit consumes approximately 110 uA of current as measured from the VCC_MAIN supply input and 4 uA of current as measured from the VCC_AUX supply input To activate this mode the Module PWR_EN B signal on pin 12 of the system connector is pulled to a logic level 1 which puts the module into the low power state The module will stay in the low power state until the Module DW EN B signal is driven low by an external open collector transistor in the application circuitry Turning the external open collector transistor off will cause the Module DW EN B signal to float high and turn the module off The Module PWR_EN Bline is tied to VCC_MAIN through a 220kQ pull up resistor so the sink current in the external open collector transistor is minimal 2 3 3 2 Power Supply and Ground Signals Two separate voltages are required to power the module and are detailed below VCC AUX 13 8 V 20 1 3 A max Ripple 0 4KHz 600mVpp 4 KHz 10MHz 240mVpp VCC MAIN 5 V 10 1 0 A max Ripple 0 4KHz 100mVpp 4 KHz 10MHz 50mVpp Following is a list of the power supply pins Pin CM 42 Signal mm VCC_AUX 13 8 volt 20 0 5A max 31 VCC_AUX 13 8 vo
11. CPTC AT CPER updated board dimensional and outline drawing updated support e mail address plus other items from review A 04 02 02 Removed AT Command Use Cases and Developer s Board sections IT IB a Customer Support Contact information New Document Number I Jg agree ne ona M rene nN portfolio and added diagnostics section SEM CX 02 0076 DES Rev C d we Sony Ericsson CM 42 Integrator s Manual PAGE 4 OF 37 1 Introduction to the Integrator s Manual 1 1 Overview This manual is for use as a guide to the setup installation and use of the CM 42 module into your application The module may be tested using the Developer s board which is supplied together with all the necessary tools in the Developer s Kit The CM 42 module is intended for mounting into an application developer s chassis to provide wireless communication capability for the product The target chassis could be in a wide variety of forms such as a residential electric meter a point of sale terminal an alarm panel or an automobile console All initial configuration mode control and operational commands are issued to the module over an RS 232 serial port using a flexible AT command format The module circuitry has been designed to meet the environmental requirements of a large range of commercial and industrial users 1 2 Howto read the manual This manual is divided into two chapters Chapter 1 gives a general overview of the integrator s manual and the
12. 1 OF 37 2 5 Antenna Diagnostics The antenna diagnostics function consists of one antenna detection circuit per RF connector Each detection circuit can support antenna resistance values of 1K to 20K ohms AT commands are provide to query the status query the limits and set the limits for the status GOOD OPEN or SHORTED These commands are detailed in the CM 42 AT Command Manual The drawing below is a high level description of the antenna detection circuit Module Application CT 10K RF1 Antenna Diagnostic Circuit RF2 Antenna Diagnostic Circuit Figure 19 Antenna Detection Circuit The current antenna status is based on a comparison between the voltage measured at the antenna connector and the limits set by the application for OPEN and SHORTED SEM CX 02 0076 DES Rev C 3 R Q Sony Ericsson CM 42 Integrator s Manual PAGE 32 OF 37 3 Functional Description This section describes the functionality capability of the CM 42 module The module performs a set of telecom services according to TIA EIA IS 2000 The functions of the display and keypad usually used to make calls are implemented by issuing AT Commands over the serial interface To find out how to send SMS messages make data calls use the burst mode services and handle the Phone Book 3 1 Speech Calls In this prototype version of the module basic voice calls are supported over CDMA and AMPS The module offers the following telecom services e Teleph
13. 3 bit PCM Bits are undefined 2 3 4 2 2 Timing Timing shall be according to the following diagram see Figure 6 The signals in the diagram shall be interpreted according to the following relation PCM SYNC Figure 6 PCM Timing Diagram SEM CX 02 0076 DES Rev C gt a Q sony Ericsson CM 42 Integrator s Manual PAGE 17 OF 37 The meaning and value of the timing parameters are described in Table 12 Name__Deseriptin_____Min_Typigal_Max_Unit_ EO ge ge e POM SYNC assorted tina a es o o o kenen PCM_SYNCde assertedtime 624 625 J ue kuene PCM_SYNC setup time to PCM_CLK rising 195 e kene POH SONG hold time after PCM_CLK falling 1 95 es t SOS oer lee PCM CLK frequency ft Jos PCM_CLKhightime 8B 39 8 tou PCM_CLKlowtime LA8 1 39 J b ee Beem Te fe E PCM_DLD valid Tsun DCH UD setup time toPCM_CLK falling 70 f ns Thum PCM_ULD hold time after PCM_CLK falling 20 Im Table 12 PCM Timing Parameters 2 3 5 Serial Data Interface The serial channels are used as asynchronous communication links between the application system and the module The following table shows the serial data channels related signals 23 DCD Data Carrier Detect This signal is set default high It goes low indicating that a data or fax call is established CONNECT received from the remote modem The signal goes high when the data connection is disconnected
14. Itis a bi directional signal that is pulled up inside the phone module Application Phone Module VREF Shutdown Indicate are Shutdown GC egen Detect y Shutdown Shutdown Request Confirm Figure 8 HW_SD Diagram SEM CX 02 0076 DES Rev C 3 we Sony Ericsson CM 42 Integrator s Manual PAGE 23 OF 37 Shut down sequence 1 2 3 To request a shutdown of the phone module the application should provide an active low pulse of 100 25 ms on the HW_SD pin through an open collector output This pulse is detected by the module which confirms the request by enabling its HW_SD output setting it active low The application waits for the HW_SD pin to become inactive high The module has performed its power down sequence and disables its output resulting in HW_SD becoming inactive high The application shuts down disabling MODULE PWR_EN RB HW_SD Shutdown Request Shutdown Confirm MODULE _ PWR_EN B Figure 9 Shutdown Sequence Diagram SEM CX 02 0076 DES Rev C 4 S Q Sony Ericsson CM 42 Integrator s Manual PAGE 24 OF 37 2 3 8 2 Data Group Recommended Circuitry The data group contains six signals three output signals from application two input signals to application and one I O signal Application Phone Module 30 RD DFMS D 25 CTS 27 TD DTMS 28 RTS 26 DTR
15. PCM Pulse Code Modulation signals PCMULD PCMDLD PCMCLK and PCMSYNC 7 AFM Audio Output From Module ATMS Audio Input to Module AGND Analog Reference a9 Jeo POM Voice Outpt om media Table 8 CM 42 Audio Signals 2 3 4 1 Analog Audio ATMS pin 10 in the system connector is the analog audio input to the module When it is active it is connected to the radio via the audio processing stages in the module The AFMS pin 7 in the system connector is the analog audio output from the module When it is active it is connected to the radio via the audio processing stages in the module SEM CX 02 0076 DES Rev C yo Q Sony Ericsson CM 42 Integrator s Manual PAGE 14 OF 37 The AGND pin 9 in the system connector is the analog reference signal ATMS and AFMS are referenced to this signal which is connected to GND in one place inside the module CM 42 Description AFMS Audio Output From Module ATMS Audio Input To Module AGND Analog Reference Table 9 CM 42 Analog Audio Signals 300 3400 Hz Rout 100 3 77 Vp p max or 2 5 dBV AFMS External Device audio input impedance Zin 10 kQ Volume control 81 dB from maximum gt 81 dB mute ag 1004 Hz tone at 8kHz deviation generates Sensitivity 900 100 MV Sources are preferably AC coupled Cout 2 2 2uF External Device audio source Output resistance E Module audio input impedance Zin 2 10 kQ ALMS Levels from external audi r evels from externa
16. PS mode a separation distance of at least 20 centimeters must be maintained between the radiating antenna and the user or nearby persons In this mode of operation the combined connection cable path loss and antenna gain must also be no greater than 1 dBi 4 4 3 Possible Communication Disturbances Noise can be caused by electronic devices and radio transmitters e Free Space Path loss occurs as the strength of the received signal steadily decreases with the distance from the transmitter e Shadowing is a form of environmental attenuation of radio signals that is caused by hills buildings trees or even vehicles Inside buildings this can cause problems especially if the walls are thick and reinforced e Multi path fading is a sudden decrease or increase in the signal strength This is the result of interference caused when direct and reflected signals reach the mobile phone simultaneously Flat surfaces such as buildings streets vehicles etc can reflect signals SEM CX 02 0076 DES Rev C 3 we Sony Ericsson CM 42 Integrator s Manual PAGE 37 OF 37 5 Technical Data Mechanical specifications Maximum length Maximum width Maximum thickness Weight Power supply voltage normal operation Nominal Voltage Voltage range Radio specifications Frequency range Antenna impedance VSWR Maximum Environmental specifications Operating temperature range Storage temperature range Maximum relative humidity
17. Q sony Ericsson CM 42 Integrator s Manual PAGE 1 OF 37 CM 42 Integrator s Manual SEM CX 02 0076 DES Rev C Q sony Ericsson CM 42 Integrator s Manual PAGE 2 OF 37 1 INTRODUCTION TO THE INTEGRATOR S MANUALE 4 1 1 EE EE 4 1 2 POW TO READ WEE MAN A a EE EE EAE EAA ENTA IAEE NANE TATE AIA AEA 4 1 3 EE 4 1 3 1 WEDT A SG a E E E san comsaatesei lt i tudafiasonaaneideensnenentceatuntedahocaiosemtatgusateinlestisdaaisae 4 ee COICO OT ENEE 5 1 4 E EECHER 5 1 5 EEN E 5 2 INTEGRATING THE CM 42 EE Een 6 2 1 OVERVIEW ge eege E EEEE E NE EENEN NE EEES 6 22 MECHANICAL DESCHRIDTION f Zio SYSTEM CONNECTOR INTERFACE 8 2 3 1 VO EE 8 2 3 2 General Electrical and Logical Characherstcs 11 2 3 3 Nominal Output Power Levels 0ccccccccccccccccccccsccessssccccecscessnseeececcsessssseeececssesessseeseeccsesetsseeeeeeseesstsaeeeees 11 Z391 POWE Ee a Die e de E 12 23 3 2 FOWer SUPPLY and Ground el CIE 12 2 3 3 3 Module PWR EN RB 13 Poa 20 6 O00 4 1 6 EE 13 KE Or E AT AO EE 13 Oe ere Ee e EE 15 Vas WT Cc me gic a kc C EE 17 230 General FUMOS ele TE 18 2 34 System connector ITO functionally esteergdteeeginegdegegteegdndesdereg EENIA NENESE ENESE AETA EEEREN EEEa 19 ZOO Recommended CHCUINGY EE 21 2 3 8 1 Status Group Recommended Circuit 21 2 3 8 2 Data Group Recommended Circuitry 2 cece ccceessccccessssecceesssceceeessseeccesssseeecessssececeessseeeeensseeceeessseeceessseeeeesseeeeeesaes 24 2 3 8 3 PCM Group Recomme
18. be a result of disturbance from another source for example an electronic device nearby You can verify signal strength by issuing the AT command AT CSQ See the CM 42 AT Command Manual for a description of this and other useful AT commands Tip Before installing the module use an ordinary mobile telephone to check a possible location for it Consider signal strength as well as cable length in determining the location for the module and antenna That way you will find out if it is practical to install the module where you intended 4 3 Safety Standards You are responsible for observing your country s safety standards and the relevant wiring rules where applicable 4 4 Antenna 4 4 1 Antenna Type When choosing an antenna for your application you must consider the following requirements e The antenna must be designed for the AMPS CDMA 800 and CDMA 1900 MHz frequency band dual band for the CM 42 e The impedance of the antenna and antenna cable must be 50 Q e The VSWR value should be less than 2 1 SEM CX 02 0076 DES Rev C A l Q Sony Ericsson CM 42 Integrator s Manual PAGE 36 OF 37 4 4 2 Antenna Placement Always follow the instructions supplied by the antenna manufacturer You should place the antenna away from electronic devices or other antennas The recommended minimum distance between adjacent antennas operating in a similar radio frequency band is at least 50 centimetres If the module is used in the Class AM
19. cated where the analog supply voltage VANA is generated at filter A or regulator B depending on implementation Regulator Figure 12 Analog Ground Plane Diagram SEM CX 02 0076 DES Rev C 4 S Q Sony Ericsson CM 42 Integrator s Manual PAGE 27 OF 37 2 3 8 4 2 Creating an analog reference voltage BIAS The BIAS reference should be generated from the analog supply voltage VANA and be referenced to the analog ground This reference shall be used to bias all analog circuitry in the application Figure 13 BIAS reference Diagram The bias can be tapped directly from the resistor voltage divider but the amplifier will make the bias more stable and less susceptible to noise 2 3 8 4 3 Analog ground vs AGND The AGND signal output from the module is not a ground It is an analog reference which is connected to the main ground used by the module in one place inside the module It should not under any circumstances be used as a ground or connected to a ground in the application AGND must be treated as a signal Together with ATMS and AFMS it creates a semi differential interface The analog ground shall be used as ground plane for the analog circuitry of the application It should not be connected to the AGND signal output from the phone module SEM CX 02 0076 DES Rev C 3 R Q Sony Ericsson CM 42 Integrator s Manual PAGE
20. e s EA Ri t e 8 h A SMT version Figure 3 40 pin system connector 30 89 p 1 55 DD Be Be OO ao ee en Go El Figure 4 Pin positions in 40 pin system connector SEM CX 02 0076 DES Rev C Q sony Ericsson CM 42 Integrator s Manual PAGE 9 OF 37 CONNECTOR Adhesive pad 0 635 0 05 10 Vaccum adapter plate Figure 5 40 pin system connector footprint SEM CX 02 0076 DES Rev C gt a Q sony Ericsson CM 42 Integrator s Manual PAGE 10 OF 37 Table 1 shows the PIN connection of the different signals connected to the interface as well as a short description of the signals Pin Signal Description gt gt gt O 6 IoNDn Chassis Ground 8 Tonn LChaeeis Ground 9 AGND L neogReiorenge _ S O Switches the module on off hardware wise active low Requestto Send O VCC_AUX 13 8 VDC supply voltage needed for Band Class 0 Mobile Station Class operation 30 RD S Receive data also known as DFMS d VCC_AUX 13 8 VDC supply voltage needed for Band Class 0 Mobile Station Class operation VCC_AUX 13 8 VDC supply voltage needed for Band Class 0 Mobile Station Class operation 5 VDC regulated supply voltage 40 IR Ring Indicator o O Table 1 Pin out of the System Connector Header SEM CX 02 0076 DES Rev C yo Q Sony Ericsson CM 42 Integrator s Manual PAGE 11 OF 37 2 3 2 General Electrical and Logical Characteristics Many of the signals present i
21. e air link rate is up to 9600 bps Rate Set 2 14400 7200 3600 1800 over the air link rate is up to 14400 bps Currently packet data is only available through Quick Net Connect mechanism before any carrier network supports actual packet data transfer 3 6 Over The Air Service Provisioning OTA The CM 42 supports TIA EIA IS 683 A Over the Air Service Provisioning of Mobile Stations in Spread Spectrum Systems SEM CX 02 0076 DES Rev C 3 R Q Sony Ericsson CM 42 Integrator s Manual PAGE 35 OF 37 4 Hints for Integrating the Module This section which gives you advice and helpful hints on how to integrate the CM 42 with the application should be taken as a guide Note The circuits on the test board are not shielded Therefore take proper precautions for avoiding ESD and EMI 4 1 Precautions Here is a list of preparations that you should make before beginning the integration work that is described in this section Where to install the module Safety standards Network and subscription Antenna 4 2 Where to Install the Module Make sure that the module is installed so that the environmental conditions such as temperature humidity vibration etc are not beyond the limits specified for it Make sure that the signal strength is sufficient To improve signal strength move the antenna to another position Signal strength may depend on how close the module is to a radio base station Degradation in signal strength could
22. gulator that generates the analog supply voltage AGND is the analog audio reference received from the phone This is a signal with the intent to be used together with ATMS and AFMS as a semi differential interface between the module and the application Regulator Q SEM CX 02 0076 DES Rev C 3 we Sony Ericsson CM 42 Integrator s Manual PAGE 15 OF 37 ATMS An application using the analog audio interface must re reference the signal from its own internal BIAS to AGND The figure below shows an example of a microphone implementation The microphone should preferably be connected to its pre amplifier differentially which will minimize noise pickup from possible ground current AFMS An application using the analog audio interface must re reference the AFMS signal from AGND to its own internal BIAS The figure shows a differential implementation C1 is chosen to create the correct HP frequency Jeng App response R1 and R2 determine the gain and C2 and R2 internal App determine the LP frequency response 2 3 4 2 Digital Audio The CM 42 provides digital audio capability over the system connecto
23. issued to the CM 42 module over an RS 232 serial port using a flexible AT command format as described in the CM 42 AT Command Manual Figure 1 CM 42 Mechanical Drawing SEM CX 02 0076 DES Rev C Q sony Ericsson CM 42 Integrator s Manual PAGE 7 OF 37 2 2 Mechanical Description The CM 42 has no mechanical elements other than the main PCB assembly All critical electronic components are shielded using sheet metal cans to prevent internal and external electromagnetic interference from degrading the modules performance and to prevent the module from interfering with other nearby devices The module is plugged into the fixed mating connector and secured with 8 screws to the standoff posts The module has no keypad display microphone speaker or battery The physical dimensions of the CM 42 module are as indicated in the figure shown below Note All the measurements are in millimeters DD BAS SA GA a 5 ae ane or Co FO MATING CONNECTOR 204 055 DA D l IO BETWEEN DAS Figure 2 Physical Dimensions of the CM 42 SEM CX 02 0076 DES Rev C Q sony Ericsson CM 42 Integrator s Manual PAGE 8 OF 37 2 3 System Connector Interface 2 3 1 Overview External interfaces to the module are made primarily through a 40 pin standard 0 050 inch pitch ODU header shown below SMT Header Series 515 Straight for surface mounting 2 Row Grid 1 27 x 2 54 mm bh CG A Features n Q E e Ol Ki With vacuum adapter plat
24. l audio source 3 77 Man max or 2 5 dBV maximum 1004 Hz tone at 900 100 MV ms generates Sensitivity 8kHz deviation Table 10 Audio Characteristics Analog Reference AGND The AGND lead is the analog audio reference ground It is the return signal for Audio To Mobile Station ATMS Audio From Mobile Station AFMS e Electrical characteristics Ima lt 40 mA peak The AGND is connected to the chassis Ground GND in the ME and only there The application should be connected to GND and only use AGND as reference for the audio lines ATMS and AFMS Application Implementation BIAS An analog ground plane should be generated which connects to GND in one point so that high frequency digital current is not floating through the analog ground Connecting the analog ground in only one point also avoids ground currents from power supplies and other high current circuitry from creating noise in the analog circuitry The voltage supply for the analog circuitry should connect its ground pin as close as possible to the Analog Ground Q point where the analog ground connects to GND The BIAS reference is generated from this supply voltage and analog ground and shall be used as a reference for all analog circuitry in the application Note that Analog Ground and AGND are two different signals Analog Ground is the ground plane used by the application It should be connected to the application s GND in one point preferably at the re
25. lt 20 0 5A max 32 VCC_AUX 13 8 volt 20 0 5A max a VCC_MAIN 5 volt 10 regulated 0 5A max 34 VCC_MAIN 5 volt 10 regulated 0 5A max Table 6 CM 42 Power Supply Signals The ground signal in the CM 42 is Digital Ground GND connected to the system connector interface through pin numbers 5 6 8 21 and 22 SEM CX 02 0076 DES Rev C gt a Q sony Ericsson CM 42 Integrator s Manual PAGE 13 OF 37 Following is a list of the ground pins Pin CMa 5 GND Digital Ground 6 ND Digital Ground mn CND Digital Ground 21 ND Digital Ground 22 CND Digital Ground Table 7 CM 42 Ground Signals Chassis Ground GND GND is the logical reference of all digital signals in the System Interface as well as the DC return of the power supply signal VCC_MAIN and VCC_AUX used for AMPS Class operation H Electrical characteristics laverage lt 0 7 A Joes lt 2 A Note No single GND pin can withstand over 0 5 A 2 3 3 3 Module PWR_EN P The Module DW EN B signal is a TTL compatible active high input The Module PWR_EN B pin is tied to VCC_MAIN through 220kQ resistor An open collector drain transistor is recommended to control this signal in the application Short this signal to GND to power up the module allow the signal to float to power down the module 2 3 4 Audio Interface The audio related signals are the analog audio signals e ATMS Audio to Mobile Station e AFMS Audio from Mobile Station e
26. n the interface are CMOS signals where the following levels apply The Nominal Voltage Level for the CMOS signals is 2 9 V Table 2 CMOS Output Input electrical characteristics 2 3 3 Nominal Output Power Levels The CM 42 is able to operate in several modes and different output power levels Applications may require output power levels similar to those in a handheld cellular phone or higher levels commonly required when in rural areas Table 3 Mobile Station Nominal Analog Power Levels below shows the nominal output power levels of the CM42 Effective Radiated Power assuming a maximum antenna system gain of 1 dBi 2 5 dBi antenna gain with 1 5 dB cable loss Mobile Station Power Level dBm o Ji J2 3 J4 J5 6 7 Class AMPS 34 8 u 263 24 20 m 12 5 Table 3 Mobile Station Nominal Analog Power Levels Note Analog Output power levels maintained within a range of 2 4 dB for PL0 7 Mobile Station Power Level dBm Upper Limit Class Ill CDMA Band Class 0 23 dBm 0 2 Watts 30 dBm 1 0 Watts Class Il CDMA Band Class 1 23 dBm 0 2 Watts 30 dBm 1 0 Watts Table 4 Mobile Station COMA Maximum Output Power SEM CX 02 0076 DES Rev C 3 we Sony Ericsson CM 42 Integrator s Manual PAGE 12 OF 37 2 3 3 1 Power Consumption Operational Mode Currents 5 0 V 10 13 8 V 20 otherwise noted 550 650 700 1300 ee Standby waiting for page A A CDMA Traffic Channel 800 1900MHz 700
27. nded Circuitry cece ccceesscccessssceccessssceceeesseeccsssscecccessseeccessseeceseesseeccesesseeceesaeecesesseeceeenaes 25 2 3 8 4 Analog Audio Group Recommended Crcutrv 26 2 4 ANTENNA CONN EE 29 23 ANTENNA DIAGNOD TICO ocr saci rainane N E E Ea 31 3 PUNCHONALC DESCRIPTION ME 32 3 1 1 PEC O ebe 32 3 1 2 VAIS eene 32 31 3 Short Message Services 33 3 1 4 Services for Short Message Control 2 0 0 0 ccccccccccccccccceesssccccccceeesssseeececscesssseeececsceeesssseeeesseeessssseeeeeeseeesssneeees 33 S E GE Pala FUNCUONAI EN 33 3 1 6 Over The Air Service Provisioning OTA sseesesseesessssesrsssessrssssserrssssrrrssssrrrssssrrrnsssrerrsssrrrrssssrrrrsssrrrrsso 34 4 HINTS FOR INTEGRATING THE MODULE ccccccccccssssssssscceeeeeeccccecceseesesssnsaeeeeeceeceeeeseeeeessssaaaaaeaeeeeeeeeeeess 35 4 1 1 ee 35 4 1 2 Where TO Install the Module i sscsasssinseckianiivanvialnechouty Gesasesineussie yoduiantabvachuetstetountinnuchlatiisanssebuedhovestnianntovackimtbeeravtains 35 E D API ee e E 35 Ge OR Ee e EE 35 dA ANENA TYPO serie ns cries nas Geese a roan ets EE EE 35 AA Anena CS un EE 36 4 1 4 3 Possible Communication Disturbances 0 0 0 0 cccecccccccccessssscccccccesssssceececcesssssesececssesseeeeeeceesesseeeececeessseeeeceeessnneeeees 36 I IN ERR A KE 37 SEM CX 02 0076 DES Rev C gt a Q sony Ericsson CM 42 Integrator s Manual PAGE 3 OF 37 Tables Table 1 Pin out of the System Connector Header 10 Table 2 CMOS Outpu
28. ony according to TIA EIA IS 2000 e Emergency according to TIA EIA IS 2000 An incoming call is indicated by a unsolicited response code RING indicator The audio input and output signals in the interface AFMS and ATMS will carry analog speech in full duplex transmitting and receiving simultaneously The module supports both Full Rate speech coding and Enhanced Full Rate EFR if EFR is available in the network 3 2 Value Carrier Services The module supports the following value carrier services e Caller ID Enables disables the caller s ID from being sent to the called party e Call Forwarding Permits the called module to have the network send incoming calls to a desired phone number e Call Waiting Permits the module to be notified of an incoming call for example if the module is engaged in an active call The module can accept reject or ignore the incoming call e 3 Party Conference Calls Permits the module to maintain simultaneous communication with more than one party e Call Diversion Forward the incoming call only if no answer after a specific number of rings Voice Mail Permits the module to activate deactivate voice mail In addition retrieve voice mail held for the user Note Some value carrier services as Call Forwarding and Call Waiting may vary depending on your service provider s network Value carrier services are activated deactivated via the ATD command using a specific code This code might va
29. or ccccccceececeeeeceeeeeceeeeeseeeeeseeeeseueesseeeeseaeeeseueeeseaeessueessaeeesenseesans 8 Figure 5 40 pin system connector footprint cece ccc eeeeeeeeeeeeeeeeeeeeeaeeeeeesaeeeeeeeeeeeeeseeeeeseeeeeseaeeeseaeeeesaeeeesaaeeeesneeees 9 Figure 6 PCM Timing Diagram ccccceeccccceeeeeeeeeeeeeeeeeeeeeaeeeeeeeeeeesseeeeeeeeeeeeseeeeeeeeaeeeesseaseesseeeeeseeeeeeseaeeeesaeeeeesaess 16 mC LU ks greets 10 og B Le aa EEE E E E AE E E E E E E E E eee 21 POM AA DODII VE 22 Figure 9 Shutdown Sequence Dagram E 23 Figure 10 Data Group Re LL VE 24 Foue Med POM Group RR Le E 25 Figure 12 Analog Ground Plane UDagram n rrrsrnrrnsnrrrn nnne 26 Figure 13 BIAS reference Uuagram erene 27 Figure 14 Microphone Path Diagramm 28 FIGUIE 15 Loudspeaker Diagrami EE 29 Figure 16 FAKRA Connector DOTA E 29 Figure 17 Overview mechanical and color codmg rrene 30 Figure 18 SMA Right Angle Through Hole Connector cccccccccccseeeeeeeeeeeeeaeeeeeeeeeeeeesaeeeesseeeeeeaeeeeesaeeeseesaeeeeeesaess 30 Revision History RELEASE DATE SUMMARY OF CHANGES 10 19 01 Incorporation of comments from 10 16 01 design team meeting 10 23 01 Update Power Consumption sections 4 2 3 1 4 2 3 2 DAG 10 26 01 Update Developer s Board Outline AT commands and other from design team review DAG 12 13 01 Update to AT commands AT COS AT EUNSOL AT CPAS AT ECAM AT ENSERV AT ECBAR removed AT commands AT ENAUD AT CAU AT CPSR AT
30. r The digital audio signals enable the connection of a digital audio source The receiver is bypassing the analog audio processing functions performed within the module The digital audio interface includes the following PCM signals PCMCLK PCM Clock Output from module PCMSYNC PCM Frame Sync from module 1900 PCMULD PCM Voice Input to module 200 PCMDLD PCM Voice Output from module Table 11 CM 42 Digital Audio Signals Already defined CMOS output input electrical characteristics apply see Section 2 3 2 above The PCM format for PCMULD and PCMDLD follows a linear PCM data format with 13 bit data embedded in a 16 bit word The data bits in PCMULD input and PCMDLD output are aligned so that the MSB in each word occurs on the same clock edge See timing diagram in Figure 6 SEM CX 02 0076 DES Rev C 3 i Q sony Ericsson CM 42 Integrator s Manual 2 3 4 2 1 Data Format The CM 42 module implements a 13 bit PCM with the 13 bit data embedded in a 16 bit word as follows Each PCM word shall contain 16 bits D15 DOO D15 DO3 is the 2 s complement value of the 13 bit PCM with D15 as the sign bit D15 is the MSB while DO3 is the LSB Note that the MSB is sent in first place Ensure that the read data from PCMDLD is right shifted three times and sign extended before being used PAGE 16 OF 37 13 bit linear 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 O l I _ _ EMMER Bit Contents Two complement of the 1
31. ral Purpose Signals The module provides two general purpose binary inputs two general purpose binary outputs and four general purpose input outputs on the system connector The AT EGPI command described in the CM 42 AT Command Manual allows an application to query the states of the two general purpose binary inputs The AT EGPO command described in the CM 42 AT Command Manual allows an application to query or set the states of the two general purpose binary output inputs The AT EGPIO command described in the CM 42 AT Command Manual allows an application to query or set the states of the two general purpose binary input output signals General Purpose Binary Input Output 1 Reserved General Purpose Binary Input Output 3 Reserved General Purpose Binary Input Output 4 Reserved General Purpose Binary Input 1 General Purpose Binary Output 1 Table 14 General Purpose Signals The general purpose output signals OUTPUT1 and OUTPUT2 are CMOS complementary outputs with 2 mA drive The general purpose input signals INPUT1 and INPUT2 are CMOS Schmidt inputs The general purpose input output signals are programmable CMOS I O When programmed as inputs they are configured as Schmidt inputs with a pull up resistor gt 20k When programmed as outputs they are capable of driving 2mA SEM CX 02 0076 DES Rev C 3 we Sony Ericsson CM 42 Integrator s Manual PAGE 19 OF 37 2 3 7 System connector IO functionality
32. ry depending on the service provider Consult your service provider for further information SEM CX 02 0076 DES Rev C 7 we Sony Ericsson CM 42 Integrator s Manual PAGE 33 OF 37 3 3 Short Message Services The module provides the functional capability to create and send text messages MO as well as receive text messages MT across the air interface The data format can be either string data represented as printable IRA characters or binary data represented as hex coded octets The key management attribute of a short message is the folder in which it resides Folders are convenient groupings of similar messages For example common folders are in box out box and hold box This pool of folders use a common set of indices internally controlled to reference each message location The incoming messages are stored in non volatile memory until deleted by the host application using the AT CSDM command The maximum length of data sent in an SMS transmission is 255 bytes the actual user data is directly dependent upon how much message overhead is present Typically the user data length is around 200 bytes however if a significant number of optional SMS header data fields are used the user data may be much smaller 3 4 Services for Short Message Control The services provided by the module for short message control are the followings Message formatting The module formats short messages for transmitting over the air interface Me
33. ssage storage The module stores messages received over the air interface in an in box it queues messages for transmission over the air interface in an out box Default information element storage The module stores default information elements for use in formatting short messages Message reference assignment The module assigns message reference numbers to new short messages that are transmitted over the air interface Message index assignment The module assigns message index numbers to messages received over the air interface Privacy Management The module supports privacy criteria Message reporting The module reports incoming messages received over the air interface 3 5 Data Functionality CM 42 data services are based on the standard TIA EIA Interim Standard Data Service Options for Wideband Spread Spectrum Systems TIA EIA IS 707 which is designed to provide async data fax and packet data transfer at various data rates Applications such as file transfer Internet browser Fax and dial up networking are further running on top of these data transfer mechanisms through a CDMA wireless network More specifically the following CDMA data service options are to be supported CDMA Data Service Series Option Rate Table 16 CM 42 Module Data Services SEM CX 02 0076 DES Rev C Q sony Ericsson CM 42 Integrator s Manual PAGE 34 OF 37 Note Rate Set 1 9600 4800 2400 1200 over th
34. t Input electrical characteristics ccccccccccceececeeeeeceeceeeeeeesseeceseeeeeseuceeseecessueeesaeeeseneeesaes 11 Table 3 Mobile Station Nominal Analog Power Levels n00nnnnannnnnnnnnannnnsrnnnnrnrnnsrrrnnrnrnnsrrrrsrrrnsrrrrsrnrrrnsnrrrnnnrrnnnne 11 Table 4 Mobile Station COMA Maximum Output Power 11 Table 5 Power Consumption sss ienris oiee ina EEE Aaa DAREA EA ER a a a iaa 12 Table 6 CM 42 Power Supply Signals cccccccsseeeeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeseeeeeeeseeeeeseeeeeeseaseeesseeeeesseeeeeesaeeeeeeas 12 Table 7 CM 42 Ground Signals ccccseecceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeaeeeeeeaeeeeeeseeeeeesseeeeeseeeeeeseaeeeesaeeeeeeseaeeeesaaeeeesaeneeesanes 13 Table TE E Die e Rea 13 Table 9 CM 42 Analog Audio e e EE 14 Table 10 Audio ler Ee 14 Table 11 CM 42 Digital Audio Signals AA 15 Tabl 12 PCM Timing GE EE 17 Table 13 Seral Data Channels EE 17 Table 14 General gel Gel 18 Table 15 Pin Direction for General Purpose Signals AA 20 Table 16 CM 42 Mod le RENE 33 Figures Figure 1 CM 42 Mechanical Drawing cccccccsecececeeeeeeeseeeeeeceeeeeeeaeeeeeeseeeeeesseeeeeeseeeeeeseeseeesseeeesseseeeesseeeeesseeeesaeeees 6 Figure 2 Physical Dimensions of the CM Ai nnee T Figure 3 40 pin system connector cccceecccseeeeceeeeeceeeeeseeeeeseeeesaeeeeaeeeeseaeeeseaeeeseeeesseeeesseeeeseaeeeeseeesageesseueesaeeeesenseesees 8 Figure 4 Pin positions in 40 pin system connect
35. t in Resistor Transistor i e Toshiba RN1308 The inverting buffers should preferably be Schmitt Triggered i e Toshiba TC7S14 or similar 2 3 8 1 Status Group Recommended Circuitry The status group contains four signals one output signal from the application and three input signals to the application Application Phone Module D 0 Phone Module Power OFF 12 MODULE_PWR_EN_B 1 Phone Module Power ON 5V 0 10 ohm Ring Indicator 24 RINGER 15 HW_SD Shutdown Indicate Shutdown Request Figure 7 Status Diagram SEM CX 02 0076 DES Rev C Q sony Ericsson CM 42 Integrator s Manual PAGE 22 OF 37 2 3 8 1 1 MODULE PWR EN B This signal located on pin 12 in the system connector enables the main 5V supply in the phone module so that it powers on This is an open collector input to the phone module Its reference voltage is the main 5V supply 2 3 8 1 2 VREF This signal located on pin 2 in the system connector provides the application with its logic supply voltage The application can current amplify this signal and use it to supply its interface circuits 2 3 8 1 3 HW_SD This signal located on pin 15 in the system connector provides the ability of performing a hardware shutdown of the module
36. up resistor resides in the phone module Phone module logic voltage sense input to application This signal provides the application with the logic system voltage level used by the phone module This signal is used to indicate to the application of an incoming call voice data etc A falling edge 40 indicates incoming call The signal remains low for one second then high for three seconds This is repeated until call is answered or dropped Pulse Modulated logic input from phone module RINGER The application must provide power amplification if the current draw i is expected to exceed 1mA ES SICH output from the application El 37 CTMS Notermination Leave open 0 re O 4 I0 4 VRTC Notermination Leave open iY wo 3 CERNE a TEE Leave open O IO_1_TIMEMARK No termination Leave open O OUTPUTA No termination Leave open Pt Beete ovem No termination Leave open o INPUT1 No termination Leave open o oo 4 OUTPUT2 No termination Leave open Pt Table 15 Pin Direction for General Purpose Signals SEM CX 02 0076 DES Rev C 4 S Q Sony Ericsson CM 42 Integrator s Manual PAGE 21 OF 37 2 3 8 Recommended Circuitry Abbreviations VCC Represents the logic supply voltage used by the application VREF Current amplified reference voltage used as supply voltage for all logic interface circuitry Component proposals Transistors not showing a base resistor should be interpreted as a BRT Buil
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