Confidential USERS MANUAL 1(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 CM52 Integrator's Manual
Confidential USERS MANUAL 2(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Table of Contents 1 Introduction to the Integrator’s Manual 1.1 OVERVIEW 1.2 HOW TO READ THE MANUAL 1.3 SERVICE AND SUPPORT 1.3.1 WEB PAGES 1.4 RELATED DOCUMENTS 1.5 ABBREVIATIONS 2 Integrating the CM52 Module 2.1 OVERVIEW 2.2 MECHANICAL DESCRIPTION 2.2.1 MECHANICAL DIMENSIONS 2.2.2 HEAT-SINK REQUIREMENTS 2.2.3 MOUNTING HOLES 2.3 SYSTEM CONNECTOR INTERFACE 2.3.1 MECHANICAL OVERVIEW 2.3.2 PINOUT 2.3.
Confidential USERS MANUAL 4 5 6 Functional Description Hints for Integrating the Module 5.1 PRECAUTIONS 5.2 WHERE TO INSTALL THE MODULE 5.3 SAFETY STANDARDS 5.4 ANTENNA 5.4.1 ANTENNA TYPE 5.4.2 ANTENNA PLACEMENT 5.
Confidential USERS MANUAL 4(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Tables TABLE 1: SYSTEM CONNECTOR AND M ATING PART NUMBERS ........................................................................................................ 11 TABLE 2: PIN-OUT OF THE SYSTEM CONNECTOR HEADER .............................................................................................................. 12 TABLE 3: CMOS OUTPUT / INPUT ELECTRICAL CHARACTERISTICS ....................................
Confidential USERS MANUAL 5(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 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 CM52 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. 1.
Confidential USERS MANUAL 1.4 6(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Related Documents CM52 AT Command Manual – Details the AT command interface for the CM52 The CM52 is based upon the following mobile standards: • IS-2000 Release 0 (1XRTT), MOB_P_REV – CDMA protocol • TIA/EIA/IS-91 – Mobile Station – Base Station Compatibility Standard for 800 MHz Analog Cellular • TIA/EIA-98-D – Recommended Minimum Performance Standards for Dual-Mode Spread Spectrum Mobile Stations 1.
Confidential USERS MANUAL 7(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 2 Integrating the CM52 Module 2.1 Overview The CM52 is a dual band, dual mode CDMA transceiver module. It operates in the 800 MHz band for CDMA and AMPS and in the 1900 MHz band for CDMA. It is designed for consumer and OEM industrial voice and data applications. The CM52 module is intended for mounting into an application developer’s chassis to provide wireless communication capability for the product.
Confidential USERS MANUAL 2.2.
Confidential USERS MANUAL 9(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Figure 4: Keep-out Drawing of CM52
Confidential USERS MANUAL 2.2.2 10(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Heat-Sink Requirements The application is required to provide a heat-sink for the 3W AMPS capabilities of the CM52. The application should be designed to provide a heat sink with a thermal resistance of 4.0 oC/W. For applications that disable the 3W mode (Class I) and only operate in 0.6W mode (Class III) a heat-sink is not required. 2.2.
Confidential USERS MANUAL 11(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 2.3 System Connector Interface 2.3.1 Mechanical Overview External interfaces to the module are made primarily through a 40 pin, standard 0.050inch pitch, ODU header show below. Figure 5: 40-Pin System Connector Figure 6: 40-Pin System Connector Pin Numbering Description ODU Part Number System Connector 515.569.035.140.xxx Mating Ribbon Connector 525.060.035.040.xxx SMT Mating Header 525.041.035.040.
Confidential USERS MANUAL 2.3.
Confidential USERS MANUAL 2.3.3 13(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Logic Levels Many of the signals present in the interface are CMOS signals where the following levels apply. The nominal voltage level for the CMOS signals is 2.9 V. Limits Test Conditions Min Max High level output voltage (IOH = 800 µA) VOH 2.45 3.1 Volts Low level output voltage (IOL = 800 µA) VOL 0 0.45 Volts High level input voltage (VIH = 800 µA) VIH 1.9 3.
Confidential USERS MANUAL Pin Signal 3 14(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Description 4 VRTC 29 VCC_AUX 13.8 volt ± 20% 31 VCC_AUX 13.8 volt ± 20% 32 VCC_AUX 13.8 volt ± 20% 33 VCC_MAIN 5 volt ± 10% regulated 34 VCC_MAIN 5 volt ± 10% regulated 1.8 V to 3.9V ( 3.4V to 3.9V if GPS mounted) Table 5: CM52 Power Supply Signals 2.4.1.
Confidential USERS MANUAL 15(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 [VCC_AUX power supply supports the 3W mode AMPS circuitry] Parameter Minimum Value 11 Typical Value 13.8 Maximum Value 16.6 Units In a Call on Power Level 0 (Power Class I) 0.88 1.3 A In a Call on Power Level 2 3.5 4.5 mA AMPS Burst Duration for network update Stand-by/Idle mode (RX ON) 0.16 Input Voltage 0.
Confidential USERS MANUAL 16(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 [VCC_MAIN supply is the primary CM52 power supply] Parameter Minimum Value 4.5 Input Voltage Typical Value 5 Maximum Value 5.5 Units V In AMPS Call on Power Level 0 (Power Class I) In AMPS Call on Power Level 2 0.62 0.82 A 0.94 1.4 A In CDMA call-Cellular Mode 0.77 1.2 A In CDMA call-PCS Mode 0.84 1.3 A CDMA burst duration for Network update Standby/Idle Current Draw in Slotted Mode (CDMA) 1.
Confidential USERS MANUAL 2.4.2.1 17(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Wakeup-Inrush Current The wakeup inrush current occurs when the MODULE_PWR_EN_B signal transitions from High to Low. The wakeup-inrush event occurs on the VCC_MAIN supply input and not the VCC_AUX supply. The magnitude of the inrush is dependent on power supply output impedance. 2.4.2.
Confidential USERS MANUAL 2.5 18(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Real Time Clock (RTC) Circuit The purpose of this section is to detail the design of incorporating the Real Time Clock feature into the CM52. UART Ring Indicator HW_SHDN Radio Module_PWR_EN_B Application RTC (HH: MM) Battery Figure 7: RTC Functional Block Diagram 2.
Confidential USERS MANUAL 2.6.1 19(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Digital Audio The CM52 provides digital audio capability over the system connector. 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: Pin CM52 Description 17 PCMCLK 18 PCMSYNC 19 PCMULD PCM Voice Input to module.
Confidential USERS MANUAL 20(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Figure 8: PCM Timing Diagram The meaning and value of the timing parameters are described in Table 12. Name tSYNC Description Min Typical Max Unit PCM_SYNC cycle time. 125 µs PCM_SYNC frequency 8.0 kHz tSYNCA PCM_SYNC asserted time. 62.4 62.5 µs tSYNCD PCM_SYNC de-asserted time. 62.4 62.5 µs tSU(SYN PCM_SYNC setup time to PCM_CLK rising. 1.95 µs PCM_SYNC hold time after PCM_CLK falling.
Confidential USERS MANUAL 2.6.2 21(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Analog Audio ATMS 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 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. The AGND is the analog reference signal.
Confidential USERS MANUAL 22(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 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.
Confidential USERS MANUAL 23(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 AFMS: An application using the analog audio interface must re-reference the AFMSsignal 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.
Confidential USERS MANUAL 2.7 24(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 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: Pin 23 Signal Description DCD Dir Data Carrier Detect O This signal is set default high. It goes low indicating that a data call is established (CONNECT received from the remote modem).
Confidential USERS MANUAL 2.8 25(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Antenna Interface The antenna interface of the CM52 consists of a single or dual RF connector for the radio with optional antenna diagnostics, and a single RF connector for the optional GPS function. 2.8.1 Antenna Connector A variety of antenna connectors are available for the CM-52 module including SMA, SMB, MCX, and BNC.
Confidential USERS MANUAL 26(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 The physical dimensions of a sample SMA connector and mounting hole are shown in the drawing below. 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.
Confidential USERS MANUAL 2.8.2 27(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 RF Output Power The CM52 is able to operate in several modes and different output power level. Applications may require output power levels similar to those in a handheld cellular phone or higher levels commonly required in rural areas. The following tables show the nominal power provided by the CM52. Mobile Station Power Level (dBm) 0 1 2 3 4 5 6 7 Class I, AMPS 34.8 31 26.
Confidential USERS MANUAL 28(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Figure 10: Antenna Diagnostic 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.
Confidential USERS MANUAL 3 29(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 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 (Built in Resistor Transistor) i.e. Toshiba RN1308.
Confidential USERS MANUAL 3.1.1 30(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 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. 3.1.2 VREF This signal, located on pin 2 in the system connector, provides the application with its logic supply voltage.
Confidential USERS MANUAL 31(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 HW_SD Shutdown Request Shutdown Confirm MODULE_ PWR_EN_B 12 3.2 3 4 5 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.
Confidential USERS MANUAL 32(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Phone Module Application VCC 1 - 100k VREF RxD CTS 30, RD (DFMS) 25, CTS VREF VREF 27, TD (DTMS) 28, RTS 26, DTR 1 - 100k TxD RTS DTR VREF VREF 1 - 100k VPPFLASH_EN VCC 1 - 100k DCD VREF 23, VPPFLASH/DCD 100k 3.2.1 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.
Confidential USERS MANUAL 3.3 33(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 PCM Group Recommended Circuitry The PCM group contains four signals, three input signals to the application, and one output signal from the application.
Confidential USERS MANUAL 34(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 3.4 Analog Audio Group Recommended Circuitry 3.4.1 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.
Confidential USERS MANUAL 35(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 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. 3.4.3 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.
Confidential USERS MANUAL 3.4.5 36(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 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.
Confidential USERS MANUAL 3.5 37(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 System connector IO functionality Note 1: The application IO can be one of the following listed types: • I 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. • I/O Logic I/O. The pin direction in this table is referenced from the application’s point of view.
Confidential USERS MANUAL Group Pin No PCM Name PA7 Application Requirements App I/O Logic output to phone module. O 20 PCMDLD Logic input from phone module. I 18 PCMSYNC Logic input from phone module. I PCMCLK Logic input from phone module. I AGND Analog Audio Analog reference. This signal is an analog reference output by the phone module. This signal is connected to GND in one place in the phone module.
Confidential USERS MANUAL Reserv ed 39(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 13 OUTPUT1 No termination. Leave open. I 16 INPUT2 No termination. Leave open. O 11 INPUT1 No termination. Leave open. O 14 OUTPUT2 No termination. Leave open.
Confidential USERS MANUAL 4 40(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Functional Description The CM52 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. See the CM52 Software User's Guide and AT Command Manual for a complete functional description and user scenarios for the CM52.
Confidential USERS MANUAL 5.4 Antenna 5.4.1 Antenna Type 41(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 When choosing an antenna for your application you must consider the following requirements: • The antenna must be designed for the AMPS/CDMA 800 and CDMA 1900 MHz frequency band (dual band) for the CM-52. • The impedance of the antenna and antenna cable must be 50 . • The VSWR value should be less than 2:1. 5.4.
Confidential USERS MANUAL 6 42(42) Document number Revision 4/198 17-LXE 108 566 Uen PA7 Technical Data Mechanical specifications Maximum length: 114 mm Maximum width: 49.50 mm Maximum thickness: 18.97 mm Weight: 68.2 g Power supply voltage, normal operation VCC_MAIN VCC_AUX Nominal Voltage: 5.00 Volts 13.8 Volts Voltage range: 4.50 – 5.50 Volts 11.0 – 16.
