Product Description MC703 CDMA EV-DO Wireless Module V100R001 Issue 1.00 Date 2009-08-24 HUAWEI TECHNOLOGIES CO., LTD.
Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service. Please feel free to contact our local office or company headquarters. Huawei Technologies Co., Ltd. Address: Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China Website: http://www.huawei.com Email: support@huawei.com Copyright © Huawei Technologies Co., Ltd. 2009. All rights reserved.
MC703 CDMA EV-DO Wireless Module Product Description About This Document History Issue Details Date Author Approved by V1.00 Initial formal release. 2009-8-24 Zhang Jun zhou Zhaoxing Issue 1.
MC703 CDMA EV-DO Wireless Module Product Description Contents 1 Product Overview .........................................................................................................................9 1.1 About This Chapter .......................................................................................................................................... 9 1.2 Functions of the MC703 CDMA EV-DO Module............................................................................................ 9 1.
MC703 CDMA EV-DO Wireless Module Product Description 4.7 GPIO Interface ............................................................................................................................................... 34 4.8 ADC Interfaces............................................................................................................................................... 35 4.9 Status Indication Pins .....................................................................................................
MC703 CDMA EV-DO Wireless Module Product Description Figures Figure 1-1 Application block diagram of the MC703 CDMA EV-DO module ................................................... 11 Figure 2-1 Dimensions of the RF connector........................................................................................................ 16 Figure 2-2 RF connector......................................................................................................................................
MC703 CDMA EV-DO Wireless Module Product Description Figure 5-6 Dimensions of the connector on the MC703 CDMA EV-DO module (unit: mm)............................. 42 Figure 5-7 Dimensions of the connector pad on the user interface board of the MC703 CDMA EV-DO module .............................................................................................................................................................................. 42 Issue 1.
MC703 CDMA EV-DO Wireless Module Product Description Tables Table 1-1 Product features ................................................................................................................................... 10 Table 2-1 Functions of the signals on the signal connector interface .................................................................. 12 Table 2-2 RF performance of the main diversity antenna interface.....................................................................
MC703 CDMA EV-DO Wireless Module Product Description 1 Product Overview 1.1 About This Chapter This chapter provides an overview of the MC703 Code Division Multiple Access (CDMA) Evolution-Data Only (EV-DO) module, with the following information included: z Functions of the MC703 CDMA EV-DO Module z Application Block Diagram of the MC703 CDMA EV-DO Module 1.
MC703 CDMA EV-DO Wireless Module Product Description Table 1-1 Product features Product Feature Description Frequency bands CDMA: Double bands including 800 MHz and 1900 MHz GPS: 1574.42 MHz to 1576.42 MHz Technical standards CDMA 2000 1XRTT Compatible to CDMA IS-95 A/B 800/1900MHz CDMA 2000 1x EV-DO Rev.0 800/1900 MHz CDMA 2000 1x EV-DO Rev.
MC703 CDMA EV-DO Wireless Module Product Description Product Feature Description Supplementary services Caller ID display, call forwarding, call holding, call waiting, and three-way calling Physical characteristics Dimensions: 31 mm x 45 mm x 5 mm Weight: 9.8±0.2 g RoHS Complying with the RoHS standards CE certification Complying with the Conformite Europeenne (CE) standards (CE0168) 1.
MC703 CDMA EV-DO Wireless Module Product Description 2 Interface Description 2.1 About This Chapter This chapter describes the signal interfaces of the MC703 CDMA EV-DO module, with the following interfaces included: z Signal Connector Interface z Antenna Interfaces 2.2 Signal Connector Interface 2.2.1 Interface Signals The MC703 CDMA EV-DO module adopts the 60-pin B2B connector as the external signal interface.
MC703 CDMA EV-DO Wireless Module Product Description No. Signal Name IO Function Remarks 6 GND P Ground 7 VBAT P Power supply input 8 GND P Ground 9 VBAT P Power supply input 10 GND P Ground 11 MODE_LED AO Mode indicator This pin is a current sink output. 12 VCOIN P Input of the backup power supply This pin can be connected to a button-type battery or a capacitor of large capacitance. 13 STATUS_LED AO Status indicator This pin is a current sink output.
MC703 CDMA EV-DO Wireless Module Product Description No.
MC703 CDMA EV-DO Wireless Module Product Description No. Signal Name IO Function Remarks 51 MIC1_N AI Negative pole of the input of the first audio interface See section 4.4 "Audio Interfaces.
MC703 CDMA EV-DO Wireless Module Product Description The MC703 CDMA EV-DO module adopts the 51-3612-50-H RF connector supplied by Astron. Figure 2-1 shows the dimensions of the RF connector. Figure 2-1 Dimensions of the RF connector Figure 2-2 shows the RF connector. The two interfaces on the RF connector are pointed by the red arrows. The antenna pad is located at the bottom of the RF connector.
MC703 CDMA EV-DO Wireless Module Product Description Figure 2-2 RF connector Table 2-2 and Table 2-3 show the RF performance of the antenna interfaces. Table 2-2 RF performance of the main diversity antenna interface Frequency Band Frequency Range (MHz) Maximum Transmit Power (dBm) Receiving Sensitivity of the Antenna Interface (dBm) Uplink Downlink Minimum Value Typical Value Maximum Value Minimum Value Typical Value Maximu m Value CDMA 800 824 to 849 869 to 894 23 24.5 26 / –107.
MC703 CDMA EV-DO Wireless Module Product Description 3 Electrical Features of the Interfaces 3.
MC703 CDMA EV-DO Wireless Module Product Description 3.3 Operating and Storage Temperature Table 3-2 shows the temperature ranges of the MC703 CDMA EV-DO module. Table 3-2 Temperature ranges of the MC703 CDMA EV-DO module Parameter Minimum Value Maximum Value Unit Normal operating temperature –30 75 ℃ Extended operating temperature –35 80 ℃ Storage temperature –40 90 ℃ 3.4 Levels of the I/O Interface Table 3-3 shows the levels of the I/O interfaces on the MC703 CDMA EV-DO module.
MC703 CDMA EV-DO Wireless Module Product Description The time when any interface on the MC703 CDMA EV-DO module is powered on must not be earlier than the time when the module is powered on. Otherwise, the MC703 CDMA EV-DO module may be abnormal or damaged. 3.5.2 Operating Current Table 3-5 shows the operating current of the MC703 CDMA EV-DO module.
MC703 CDMA EV-DO Wireless Module Product Description 3.5.3 Power-on, Power-off, and Reset Processes When the voltage of the power supplied to the MC703 CDMA EV-DO module is higher than 3.4 V and the TERM_ON pin is driven low for at least 300 ms, the MC703 CDMA EV-DO module can be powered on. Figure 3-1 shows the power-on process of the MC703 CDMA EV-DO module. Figure 3-1 Power-on process of the MC703 CDMA EV-DO module If the power supply with the lower voltage (for example 3.
MC703 CDMA EV-DO Wireless Module Product Description Figure 3-2 Normal power-off process of the MC703 CDMA EV-DO module Table 3-6 shows the parameters in the power-on process and power-off process. Table 3-6 Parameters in the power-on process and power-off process Parameter Minimum Value Typical Value Maximum Value Unit tsettle 0.36 6.36 10.36 ms treset0 10.72 26.72 40.72 ms treset1 400 500 600 ms toff 7.27 10.6 15.
MC703 CDMA EV-DO Wireless Module Product Description Figure 3-3 Reset process of the MC703 CDMA EV-DO module The RESET_N pin is sensitive to interference. Therefore, the lines on the interface board of the MC703 CDMA EV-DO module should be not longer than 2 cm. Otherwise, the MC703 CDMA EV-DO module may be reset because of interference. 3.5.
MC703 CDMA EV-DO Wireless Module Product Description 3.6 Reliability Features Table 3-9 shows the conditions and results of the part mechanical reliability tests performed on the MC703 CDMA EV-DO module. Table 3-9 Conditions and results of the part mechanical reliability tests Test Item Test Condition Test Standard Random vibration Frequency range: 5 Hz to 20 Hz, PSD: 1.
MC703 CDMA EV-DO Wireless Module Product Description 3.7 ESD Features 3.7.1 Overview When the MC703 CDMA EV-DO module is in use, the ESD protection should be considered. The ESD performance of the MC703 CDMA EV-DO module has been tested according to the EN61000-4-2 standard. Table 3-10 shows the test results. Table 3-10 ESD performance Interface Air Discharge Contact Discharge RUIM card interface ±8000 V ±4000 V USB interface ±8000 V ±4000 V 3.7.
MC703 CDMA EV-DO Wireless Module Product Description Issue 1.
MC703 CDMA EV-DO Wireless Module Product Description 4 Interface Applications 4.1 About This Chapter This chapter describes the applications of the interfaces of the MC703 CDMA EV-DO module, with the following interfaces included: z UART Interface z RUIM Card Interface z Audio Interfaces z Power Supply Interface z USB Bus z GPIO Interface z ADC Interfaces z Status Indication Pins z Pin Sequence 4.2 UART Interface The MC703 CDMA EV-DO module has one UART interface, that is, UART1.
MC703 CDMA EV-DO Wireless Module Product Description Figure 4-1 Connections between the DCE and DTE Table 4-1 shows the definitions of the interface signals. Table 4-1 Signals on UART1 of the MC703 CDMA EV-DO module Pin Number Signal Name Description Feature Direction 27 UART1_TD Data transmission end of the module The Date Terminal Equipment (DTE) receives serial data. DCE–DTE 23 UART1_RD Data receiving end of the module The DTE transmits serial data.
MC703 CDMA EV-DO Wireless Module Product Description When MC703 CDMA EV-DO module is connected to a 3V single-chip microcontroller. a 1000-ohm resistor should be added between the pin UART1_RD and the pin TXD of the microcontroller. Figure 4-2 Connections between the serial interface and the 3 V single-chip microcontroller You can use a Category 232 chip to connect the MC703 CDMA EV-DO module to a standard RS-232-C interface. In the case of a 3-wire serial interface, the MAX3232 chip is recommended.
MC703 CDMA EV-DO Wireless Module Product Description Figure 4-4 Electrical connections for the 9-wire serial interface with the flow control function 4.3 RUIM Card Interface The MC703 CDMA EV-DO module can connect to a 3 V or a 1.8 V RUIM card. Table 4-2 shows the signals of the RUIM card interface. The level of the RUIM card interface is 3 V or 1.8 V.
MC703 CDMA EV-DO Wireless Module Product Description Figure 4-5 Circuits of the RUIM card interface Figure 4-6 Sequence of the pins of the RUIM card Figure 4-7 Sequence of the pins of a RUIM card socket The typical rate of the RUIM card interface is about 3.25 MHz. Therefore, the RUIM card seat should be as close to the module interface as possible and the line should not exceed 10 cm.
MC703 CDMA EV-DO Wireless Module Product Description these four signals for ESD protection. The TVS diodes should be placed as close to the RUIM card socket as possible. 4.4 Audio Interfaces The MC703 CDMA EV-DO module provides two audio channels and each channel includes one input and one output interfaces. Table 4-3 shows the signals of the audio interfaces.
MC703 CDMA EV-DO Wireless Module Product Description Figure 4-8 Circuits of the first audio interface Differential signals are transmitted on the first audio interface. By reserving a place for the resistor in the loop, you can adjust the quality and volume of the voice. It is recommended that you place a TVS on the related interface to provide protection against ESD and protect components such as the internal integrated circuit (IC) component.
MC703 CDMA EV-DO Wireless Module Product Description Figure 4-10 Reference circuits for the design of the LDO power supply 4.6 USB Bus Working with the drives of a PC, the USB interface can be mapped to a serial interface of the PC. The USB interface is mainly used for updating module applications, capturing software logs, and testing module applications. Table 4-4 Signals of the USB interface Pin Number Signal Name Description 36 USB_D- USB data line 38 USB_D+ USB data line 4.
MC703 CDMA EV-DO Wireless Module Product Description Pin Number Signal I/O Description 25 GPIO_7 I/O GPIO 7 29 GPIO_8 I/O GPIO 8 4.8 ADC Interfaces The MC703 CDMA EV-DO module supports two ADC interfaces for monitoring analog variables, such as the environmental temperature variable. Figure 4-11 Reference circuits of the design of the ADC interfaces 4.9 Status Indication Pins 4.9.1 LED Circuits The MC703 CDMA EV-DO module supplies two signals which can be used to light the LEDs.
MC703 CDMA EV-DO Wireless Module Product Description Table 4-6 Status of the LEDs Operating Mode of the MC703 CDMA EV-DO Module LED Status The module is searching for a network or no network is available. The LED flashes once. (The LED is on for 100 ms and off for 0.9s. Each cycle lasts 1s.) The module finds out a 2G network. The LED flashes once. (The LED is on for 100 ms and off for 1.9s. Each cycle lasts 2s.) The module finds out a 3G network. The LED flashes once.
MC703 CDMA EV-DO Wireless Module Product Description 4.10 Pin Sequence Figure 4-13 shows the sequence of the pins on the 60-pin B2B connector of the MC703 CDMA EV-DO module. Figure 4-13 Sequence of the pins on the MC703 CDMA EV-DO module Issue 1.
MC703 CDMA EV-DO Wireless Module Product Description 5 Mechanics 5.1 Overview This chapter describes the mechanical dimensions of the MC703 CDMA EV-DO module, with the following dimensions included: z Mechanical Dimensions of the MC703 CDMA EV-DO Module z Mechanical Dimensions of the B2B Connector 5.2 Mechanical Dimensions of the MC703 CDMA EV-DO Module Dimensions: 31±0.20 mm x 45±0.20 mm x 5±0.20 mm Weight: 9.8 (±0.2) g Figure 5-1 shows the mechanical dimensions of the MC703 CDMA EV-DO module.
MC703 CDMA EV-DO Wireless Module Product Description Figure 5-1 Mechanical dimensions of the MC703 CDMA EV-DO module (unit: mm) If the MC703 CDMA EV-DO module is required to be compatible with other products, such as the MU103 module, it is recommended that the mounting hole close to the B2B connector on the user application board should be designed to be track-shaped, as shown in Figure 5-2. Issue 1.
MC703 CDMA EV-DO Wireless Module Product Description Figure 5-2 Recommended shape of the toaling hole close to the B2B connector on the user application board Figure 5-3 Mechanical dimensions of the MU103 module 5.3 Mechanical Dimensions of the B2B Connector The MC703 CDMA EV-DO module adopts the DF12(3.0)-60DS-0.5V(86) 60-pin B2B connector supplied by HRS, with the pin spacing of 0.5 mm, the stacking height of 3 mm, and pluggable times of less than 50. The connector can be mated with the DF12(3.
MC703 CDMA EV-DO Wireless Module Product Description Figure 5-4 HRS DF12(3.0)-60DS-0.5V(86) connector on the MC703 CDMA EV-DO module Figure 5-5 HRS DF12(3.0)-60DP-0.5V(86) mating header on the user board Table 5-1 DF12 series that are compatible with the MC703 CDMA EV-DO module Product Model Stacking Height HRS Number (mm) Connector used on the MC703 CDMA EV-DO module DF12(3.0)-60DS-0.5V(86) 3.0 537-0611-1-86 Headers on the interface board DF12(3.0)-60DP-0.5V(86) 3.0 537-0731-3-86 Issue 1.
MC703 CDMA EV-DO Wireless Module Product Description Figure 5-6 Dimensions of the connector on the MC703 CDMA EV-DO module (unit: mm) For more information about the connectors of Hirose, access http://www.hirose-connectors.com. Figure 5-7 Dimensions of the connector pad on the user interface board of the MC703 CDMA EV-DO module Issue 1.
MC703 CDMA EV-DO Wireless Module Product Description Issue 1.
MC703 CDMA EV-DO Wireless Module Product Description A Acronyms and Abbreviations AMR Adaptive Multi-rate BER Bit Error Rate BTS Base Transceiver Station B2B Board-to-Board Connector CSD Circuit Switched Data DSP Digital Signal Processor DCE Data circuit-terminating equipment DTE Data terminal equipment DTR Data Terminal Ready DTX Discontinuous Transmission EFR Enhanced Full Rate EGSM Enhanced GSM EMC Electromagnetic Compatibility ESD Electrostatic Discharge GMSK Gaussian Min
MC703 CDMA EV-DO Wireless Module Product Description NTC Negative Temperature Coefficient PCS Personal Cellular System PCL Power Control Level PCS Personal Communication System PPP Point-to-point protocol QPSK Quadrate Phase Shift Keying RTC Real Time Clock UART Universal asynchronous receiver-transmitter EV-DO Evolution-Data Only VSWR Voltage Standing Wave Ratio Issue 1.
