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USER GUIDE

CM52 Integrators’ Manual

Reference:

WI_DEV_CM52_UGD_001

Version:

001

Date:

June 20, 2007

Summary of Contents for CM52

Page 1: ...USER GUIDE CM52 Integrators Manual Reference WI_DEV_CM52_UGD_001 Version 001 Date June 20 2007...

Page 2: ...o part of this manual may be reproduced in any form without the prior written permission of WAVECOM No patent liability is assumed with respect to the use of the information contained herein No Warran...

Page 3: ...DOCUMENTS 10 1 5 ABBREVIATIONS 10 2 Integrating the CM52 Wireless CPU 11 2 1 OVERVIEW 11 2 2 MECHANICAL DESCRIPTION 11 2 2 1 MECHANICAL DIMENSIONS 11 2 2 2 HEAT SINK REQUIREMENTS 16 2 2 3 MOUNTING HO...

Page 4: ...TIME CLOCK RTC CIRCUIT 26 2 5 1 RTC INITIALIZATION 26 2 5 2 RTC FUNCTIONAL BLOCK DIAGRAM 26 2 6 AUDIO INTERFACE 27 2 6 1 DIGITAL AUDIO 28 2 6 1 1 DATA FORMAT 28 2 6 1 2 TIMING 29 2 6 2 ANALOG AUDIO 3...

Page 5: ...sive de WAVECOM Il ne peut tre communiqu ou divulgu des tiers sans son autorisation pr alable 3 4 4 LOUDSPEAKER PATH 46 3 5 SYSTEM CONNECTOR IO FUNCTIONALITY 47 4 Functional Description 49 5 Hints for...

Page 6: ...CAPACITANCE 0 6W VARIANTS 22 TABLE 8 POWER SUPPLY INPUT CAPACITANCE 3W VARIANTS 22 TABLE 9 CM52 POWER SUPPLY SIGNALS 23 TABLE 10 CM52 GROUND SIGNALS 23 TABLE 11 VCC_MAIN SUPPLY POWER CONSUMPTION 24 T...

Page 7: ...A 16 FIGURE 8 MOUNTING CONFIGURATION B 17 FIGURE 9 APPLICATION HOUSING 17 FIGURE 10 40 PIN SYSTEM CONNECTOR 18 FIGURE 11 40 PIN SYSTEM CONNECTOR PIN NUMBERING 18 FIGURE 12 RTC FUNCTIONAL BLOCK DIAGRAM...

Page 8: ...09 15 2005 Release version PB1 11 30 2005 Updates for VREF sourcing capability inrush current mechanical mounting recommended application circuitry and CMOS leakage current PB2 02 16 2006 Update to P...

Page 9: ...used throughout the manual is also included Information concerning service and support is also presented Chapter 2 focuses on helping the hardware developer to integrate the CM52 hardware into their...

Page 10: ...or Dual Mode Spread Spectrum Mobile Stations 1 5 Abbreviations Abbreviation Definition AGND Analog Reference AMPS Advanced Mobile Phone System AT Attention Command CDMA Code Division Multiple Access C...

Page 11: ...AT command format The Wireless CPU circuitry has been designed to meet the environmental requirements of a large range of commercial and industrial users The CM52 has no mechanical elements other tha...

Page 12: ...millimeters Figure 3 Mechanical Dimensions Drawing CM52003 variant This document is the sole and exclusive property of WAVECOM Not to be distributed or divulged without prior written agreement Ce docu...

Page 13: ...ters Figure 4 Mechanical Dimensions Drawing CM52001 and CM52004 variants This document is the sole and exclusive property of WAVECOM Not to be distributed or divulged without prior written agreement C...

Page 14: ...millimeters Figure 5 Mechanical Dimensions Drawing CM52002 variant This document is the sole and exclusive property of WAVECOM Not to be distributed or divulged without prior written agreement Ce docu...

Page 15: ...ts are in millimeters This document is the sole and exclusive property of WAVECOM Not to be distributed or divulged without prior written agreement Ce document est la propri t exclusive de WAVECOM Il...

Page 16: ...ns The system connector and RF connector connections should not be used as a means of mechanical support Also please note that the mounting holes may not substitute for the actual grounding pins provi...

Page 17: ...or Mounting Considerations When designing the application the designer should ensure that the housing does not degrade the RF performance of the CM52 A minimum clearance of 4mm from the surface of the...

Page 18: ...nical Overview External interfaces to the Wireless CPU are made primarily through a 40 pin standard 0 050 inch pitch ODU header show below Figure 10 40 Pin System Connector Figure 11 40 Pin System Con...

Page 19: ...Ground Ground 6 GND Chassis Ground Ground 7 AFMS Analog Audio from Wireless CPU O Audio 8 GND Chassis Ground Ground 9 AGND Analog Reference Audio 10 ATMS Analog Audio to Wireless CPU I Audio 11 Reser...

Page 20: ...Ready I CMOS 27 TD Transmit data also known as DTMS I CMOS 28 RTS Request to Send I CMOS 29 VCC_AUX 13 8 VDC supply input I Power 30 RD Receive data also known as DFMS O CMOS 31 VCC_AUX 13 8 VDC suppl...

Page 21: ...ut Input Electrical Characteristics Note The maximum voltage that may be applied to any CMOS signal is 3 1V 2 3 3 1 Leakage Current for CMOS Signals The following table defines the maximum leakage for...

Page 22: ...ecified below as CIN The magnitude and duration of the transient current spike is solely dependent on the application power supply design Any built in short circuit protection in the application power...

Page 23: ...all defined pins together 2 4 2 2 Ground Signal Pins The ground signal in the CM52 is Digital Ground GND connected to the system connector interface through pin numbers 5 6 8 21 and 22 Following is a...

Page 24: ...45 mA Powered Down Current Draw 1 5 uA Table 11 VCC_MAIN Supply Power Consumption Notes 1 The typical current measurements noted in CDMA mode are with the following settings a CDMA Cellular 800MHz Ba...

Page 25: ...1 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 Wireless CPU in...

Page 26: ...table defines the Frequency Characteristics of the RTC Item Symbol Condition Rating Unit Frequency precision f f Ta 25 C VDD 3 0 V 5 23 1 X 10 6 Frequency voltage characteristics f V Ta 25 C VDD 2 0...

Page 27: ...Audio Output From Wireless CPU 10 ATMS Audio Input to Wireless CPU 9 AGND Analog Reference 17 PCMCLK PCM Clock Output from Wireless CPU 18 PCMSYNC PCM Frame Sync Output from Wireless CPU 19 PCMULD PC...

Page 28: ...Output from Wireless CPU Table 17 CM52 Digital Audio Signals Already defined CMOS output input electrical characteristics apply see Section 1 1 1 The PCM signals are referenced to digital ground The P...

Page 29: ...C de asserted time 62 4 62 5 Us tSU SYNC PCM_SYNC setup time to PCM_CLK rising 1 95 us tH SYNC PCM_SYNC hold time after PCM_CLK falling 1 95 us PCM_CLK cycle time 7 8 us tCLK PCM_CLK frequency 128 kHz...

Page 30: ...ference signal ATMS and AFMS are referenced to this signal which is connected to GND in one place inside the Wireless CPU Pin Signal Description 7 AFMS Audio Output From Wireless CPU 10 ATMS Audio Inp...

Page 31: ...nect its ground pin as close as possible to the 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 referenc...

Page 32: ...ference 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 C2 and R...

Page 33: ...Data Terminal Ready This signal should be set low by the application during a data call A low to high transition will terminate the data call I 27 TD Transmit Serial Data To Wireless CPU DTMS The appl...

Page 34: ...tor is available which provides a double locking mechanism as well as a keyed color coded interface as shown below A Black B Natural C Blue D Violet E Green F Brown G Gray H Violet I Beige K Curry Z W...

Page 35: ...e assemblies The table below lists several suppliers of antenna connectors that are available Description Vendor Part Additional Information RF Connectors and cabling ITT Cannon Various http www ittca...

Page 36: ...on CDMA Maximum Output Power 2 8 3 Carrier Approval The CM52 has undergone carrier qualification and has been approved referencing the antenna connector Any application intending to use the CM52 will...

Page 37: ...The multiplying factors shown above are used to establish the ADC limits values for an antenna OPEN SHORT and nominal conditions of a known antenna resistance value These limits can be calculated usi...

Page 38: ...itry Abbreviations VCC Represents the logic supply voltage used by the application VREF_CA Current amplified reference voltage used for all logic interface circuitry to the CM52 Component proposals Tr...

Page 39: ...the phone Wireless CPU so that it powers on This is an open collector input to the phone Wireless CPU Its reference voltage is the VCC_MAIN supply 3 1 2 VREF This signal located on pin 2 in the syste...

Page 40: ...il the Restart message is received via the RD signal 3 1 4 HW_SD This signal located on pin 15 in the system connector provides the ability to perform a hardware shutdown of the Wireless CPU It is a b...

Page 41: ...plication waits for the HW_SD pin to become inactive high 4 The Wireless CPU has performed its power down sequence and disables its output resulting in HW_SD becoming inactive high 5 The application s...

Page 42: ...LASH DCD 1 100k VCC DCD 100k VREF_CA VPPFLASH_EN 1 100k VREF_CA Figure 23 Data Group Diagram 3 2 1 VPPFLASH DCD This signal located on pin 23 in the system connector can be used by the application to...

Page 43: ...ree input signals to the application and one output signal from the application Figure 24 PCM Group Diagram This document is the sole and exclusive property of WAVECOM Not to be distributed or divulge...

Page 44: ...filter A or regulator B depending on implementation 5V VANA 12V VANA Regulator B A Figure 25 Creating an analog reference voltage BIAS The BIAS reference should be generated from the analog supply vo...

Page 45: ...rface must re reference the signal from its own internal BIAS to AGND received from the Wireless CPU The figure below shows an example of a microphone implementation 0 0 R2 R2 R3 R3 R1 R1 VCC C2 C2 C3...

Page 46: ...ate the correct HP frequency response R1 and R2 determine the gain and C2 and R2 determine the LP frequency response 0 0 R1 10k R1 10k R2 R2 C1 C1 C2 C2 BIAS AFMS AGND Internal App Internal App Figure...

Page 47: ...phone module This signal is 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 I 26 DTR Logic output to phon...

Page 48: ...one module OOC 2 VREF Phone module logic voltage sense input to application This signal provides the application with the logic system voltage level used by the phone module I 40 RI This signal is use...

Page 49: ...AVECOM Il ne peut tre communiqu ou divulgu des tiers sans son autorisation pr alable 4 Functional Description The CM52 Wireless CPU performs a set of telecom services according to TIA EIA IS 2000 The...

Page 50: ...that the Wireless CPU is installed in proper environmental conditions such that temperature humidity vibration etc are not beyond the limits specified for it Make sure that the signal strength is suff...

Page 51: ...t antennas operating in a similar radio frequency band is at least 50 centimeters If the Wireless CPU is used in the Class I AMPS mode a separation distance of at least 23 centimeters must be maintain...

Page 52: ...lts Voltage range 4 50 5 50 Volts 11 0 16 5 Volts Radio specifications AMPS CDMA BC 0 CDMA BC 1 Frequency range TX 824 849 RX 869 894 TX 824 849 RX 869 894 TX 1850 1910 RX 1930 1990 Antenna impedance...

Page 53: ...clusive de WAVECOM Il ne peut tre communiqu ou divulgu des tiers sans son autorisation pr alable Non stationary vibration including shock Shock response spectrum I peak acceleration 4 shocks in each a...

Page 54: ...tiers sans son autorisation pr alable WAVECOM S A 3 esplanade du Foncet 92442 Issy les Moulineaux Cedex France Tel 33 0 1 46 29 08 00 Fax 33 0 1 46 29 08 08 Wavecom Inc 430 Davis Drive Suite 300 Rese...

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