Telit Wireless Solutions CC864-DUAL Hardware User's Manual
Telit Wireless Solutions CC864-DUAL Hardware User's Manual

Telit Wireless Solutions CC864-DUAL Hardware User's Manual

Hide thumbs Also See for CC864-DUAL:
Table of Contents

Advertisement

CC864-DUAL Hardware User Guide
80pppSTzzzzza Rev. 0.4 - dd/mm/yy

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CC864-DUAL and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Telit Wireless Solutions CC864-DUAL

  • Page 1 CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy...
  • Page 2 Notice OEM integrators and installers are instructed that the phrase. This device contains transmitter FCC ID: RI7CC864-DUAL must be placed on the outside of the host. Warning: Exposure to Radio Frequency Radiation The radiated output power of this device is far below the FCC radio frequency exposure limits.
  • Page 3 CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy Disclaimer The information contained in this document is the proprietary information of Telit Communications S.p.A. and its affiliates (“TELIT”). The contents are confidential and any disclosure to persons other than the officers, employees, agents or subcontractors of the owner or licensee of this document, without the prior written consent of Telit, is strictly prohibited.
  • Page 4: Table Of Contents

    3. Hardware Interface Description ................. 14 3.1. Overview ........................ 14 3.2. Functions for Turning On and Off the Module ............15 3.2.1. Turning On the CC864-Dual Module ................15 3.2.2. Turning Off the CC864-Dual Module ................16 3.2.2.1. Hardware Shutdown ..................... 16 3.2.2.2.
  • Page 5 CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy 3.3. Power Supply ......................17 3.3.1. +5V Input Source Power Supply Design Guidelines ........... 18 3.3.2. +12V Input Source Power Supply Design Guidelines ..........18 3.3.3. Battery Source Power Supply Design Guidelines ............19 3.3.4.
  • Page 6 CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy 3.12.4. TGPIO_04/RF Transmission Control ............... 38 3.12.5. TGPIO_05/RFTXMON ..................... 38 3.12.6. TGPIO_06/ALARM ....................39 3.12.7. TGPIO_07/BUZZER ....................39 3.12.8. TGPIO_08/POWER_SAVING ................. 40 3.12.9. TGPIO_11/VIBRATOR .................... 40 3.12.10. TGPIO_12/CALL_KEY .................... 40 3.12.11.
  • Page 7: Introduction

    Telit's Technical Support Center (TTSC). 1.4. Product Overview The CC864-Dual module is a CDMA-1XRTT wireless module designed to have the same form, fit and function as its GSM/GPRS counterpart product family, the GC864- Dual. This enables integrators and developers to design their applications once and take advantage of the global coverage and service flexibility allowed by the combination of the most prevalent cellular technologies worldwide.
  • Page 8: Receiver Specifications

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy CDMA2000 1x Rel A and Rel B CDMA protocol 153.6 Kb/s (full-duplex) Data Rate SGPS / standalone EVRC, 13kQCELP, 4GV Vocoder -30° ~ +80° Operating temperature 1.4.2. Receiver Specifications Parameters Descriptions...
  • Page 9: Wiring And Installation

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy • It can interface with other electronic devices in environments such as hospitals, airports, and so on. • There is risk of explosion such as in the proximity of gasoline, oil refineries, and so on.
  • Page 10: Text Conventions

    Tip or Information – Provides advice and suggestions that may be useful when integrating the module. 1.8. Related Documents The following documents are related to this user guide: • CC864-DUAL Product Description – (Doc No) • CC864-DUAL Software Description – (Doc No) 1.9. Document History Doc rev #...
  • Page 11: Mechanical Specifications

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy Mechanical Specifications 2.1. Module Dimensions The CC864-DUAL overall dimensions are: 36.25 mm Length: 30.00 mm* Width: 4.65 mm* Thickness: *) Excluding solder pads. Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved.
  • Page 12: Interface Connector Specifications

    80pppSTzzzzza Rev. 0.4 - dd/mm/yy 2.2. Interface Connector Specifications The CC864-Dual module is equipped with a Molex 80-pin board-to-board connector and P/N 0539490878 (male). The mating part is Molex P/N 0541500878 (female). Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved.
  • Page 13: Rf Connector Specifications

    80pppSTzzzzza Rev. 0.4 - dd/mm/yy 2.3. RF Connector Specifications The CC864-Dual module is equipped with a Murata GSC type 50 Ohm RF connector, and P/N MM9329-2700. The suitable counterpart is Murata MXTK92 type or MXTK88 type connector. Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved.
  • Page 14: Mounting

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy Mounting The figure below shows the position of the Molex board-to-board connector and pin 1. Tip: It is highly recommended to maintain a 1.5mm clearance from all wireless modems to any components, including around the solder tabs.
  • Page 15: Hardware Interface Description

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy Hardware Interface Description 3.1. Overview The CC864-Dual module has the following main interface function blocks: • UART1 (used for AT commands) • USB (used for diagnostic monitoring) • R-UIM (UART2) •...
  • Page 16: Functions For Turning On And Off The Module

    80pppSTzzzzza Rev. 0.4 - dd/mm/yy 3.2. Functions for Turning On and Off the Module 3.2.1. Turning On the CC864-Dual Module To turn on the module the ON/OFF Pin must be tied for at least one second, and then released. A Few Examples...
  • Page 17: Turning Off The Cc864-Dual Module

    3.2.2.1. Hardware Shutdown To turn off the CC864-Dual module the ON/OFF Pin must be tied for at least one second, and then released. The same circuitry and timing as for power on must be used for be used for powering off the module.
  • Page 18: Power Supply

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy The following figure shows a sample circuit to accomplish this operation: TIP: A hardware reset circuit should be always implemented on the host board but the host should use it as an emergency reset procedure only.
  • Page 19: Input Source Power Supply Design Guidelines

    A bypass low ESR capacitor of adequate capacity must be provided in order to cut the current absorption peaks close to the CC864-Dual module, a 100µF tantalum (or equivalent) capacitor is suited for this purpose. Make sure the low ESR capacitor on the power supply output (usually a tantalum) is rated at least 10V.
  • Page 20: Battery Source Power Supply Design Guidelines

    A protection diode (which can be the same diode as in spike protection) must be inserted close to the power input in order to save the CC864-Dual module from power polarity inversion. A typical example of a switching regulator with 12V input is: 3.3.3.
  • Page 21: Battery Charge Control Circuitry Design Guideline

    The suggested battery capacity is from 500mAh to 1000mAh. 3.3.4. Battery Charge Control Circuitry Design Guideline The CC864-Dual module provides support circuitry for charging a lithium-ion battery, utilizing four firmware-controlled charging modes: • Trickle charging •...
  • Page 22: Trickle Charging

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy 3.3.4.1. Trickle Charging The module firmware and power management circuitry provides trickle charging of the main battery when powered from VDD. This mode is used by the module to raise a severely depleted battery’s voltage to a level sufficient to begin fast charging.
  • Page 23: Constant Current Charging

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy 3.3.4.2. Constant Current Charging The Module firmware supports constant current charging of the main battery. During constant current charging the battery is charged with a constant current of 600mA. As the battery voltage rises and approaches its desired value of 4.2V the charging current begins to decrease, indicating the end of constant current charging and the beginning of residual charging.
  • Page 24: Thermal Design Guidelines

    3.3.6. Power Supply PCB Layout Guidelines Telit recommends that the power supply for the CC864-DUAL module to be designed to meet the higher demands of a GSM/UMTS module. The power supply will be slightly over-dimensioned for a CDMA module, but will allow for the easy transition to another technology, if need be (GSM/UMTS 2A vs.
  • Page 25 CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy The power supply implementation must have a low ESR capacitor on the output to smooth the current peaks and should include a protection diode on the power supply input to protect the supply from spikes and polarity inversion.
  • Page 26: Antenna Requirements

    The only configuration that does not need a level translation is interfacing to a 2.8V UART. On the CC864-Dual module there are two UART ports, one is for UART1 and the other is for R-UIM/UART2. It differs from the standard PC RS232C in signal polarity (where RS232 is reversed) and in levels.
  • Page 27: Uart1 - Serial Interfaces

    VOL (output low level) 3.6. UART1 - Serial Interfaces The CC864-Dual module is capable of providing up to two universal asynchronous (UART) ports. The UART can also be used as the module’s serial data port for test and debug, and can support additional interface functions such as an external keypad or ringer.
  • Page 28: Rs232C Interface And Level Translation

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy indicating the incoming call condition NOTE: According to V.24, the RXD and TXD signal names are referred to from the application side, therefore, on the module side, these signals are referred to in the opposite direction: TXD on the application side will be connected to the receive line (here named TXD/Receive line) of the module’s serial port and vice versa for RXD.
  • Page 29: Uart Level Translation

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy The RS232 serial port lines are usually connected to a DB9 connector with the layout shown in the following figure: 3.6.2. 5V UART Level Translation If the host application uses a microcontroller with a serial port (UART) that works at a voltage different from 2.8~3V, a circuitry must be provided to adapt the different...
  • Page 30: External R-Uim Interface

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy The following example shows a possible inexpensive translator circuit for a 5V receiver: 3.7. External R-UIM Interface The Removable User Identify Module (R-UIM) is a smart card for CDMA cellular applications, with the following features: •...
  • Page 31: Usb Interface

    CC864-Dual → R-UIM 3.8. USB Interface The CC864-Dual module includes a universal serial bus (USB) transceiver, which operates at USB low-speed (1.5Mbits/sec) and USB full-speed (12Mbits/sec). It is compliant with the USB 2.0 specification and can be used for diagnostic monitoring, control and data transfers.
  • Page 32: General Design Rules

    The module provides two audio paths in the receive section; only one of the paths can be active at a time, selectable by the AXE input signal or with an A- command. The table below lists the audio connections that can be used for the CC864-Dual module.
  • Page 33: Headset Interface

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy connection includes a bypass capacitor (27pF is used in the example below), and a 100pF capacitor is connected across the differential pair near the earpiece. The following figure shows a typical “handset”-interface.
  • Page 34: Car Kit Speakerphone Interface

    Car Kit Speakerphone Interface For the “car kit speaker phone”configuration, the power output requirement is usually at least 4W; therefore an amplifier is required to boost the CC864-Dual audio output. Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved.
  • Page 35 The figure below shows an example of car kit amplifier schematic. 3.10. PCM Interface The CC864-Dual module can support PCM interface. It can runs at 128kHz ~ 2.048Mhz. The PCM interface enables communication with an external CODEC to support hands-free application. Linear, μ-law, and A-law CODECs are supported by the PCM interface.
  • Page 36: I2C Bus Interface

    Pin No Name Description Serial BUS Clock Serial BUS Data 3.12. ADC/DAC Interface The CC864-Dual module provides three ADC converters and one DAC converter. Pin No Name Description ADC_IN1 Analog/Digital converter input ADC_IN2 Analog/Digital converter input...
  • Page 37: Dac Converter

    Refer to SW User Guide or AT Commands Reference Guide for the full description of this function. 3.12.2. DAC Converter 3.12.2.1. Description The CC864-Dual module provides a digital to analog converter (DAC). Parameter Input Voltage Range 2.8 V Resolution 8 bit Clock rate 4.8Mhz...
  • Page 38: Low Pass Filter Example

    Output: output Pins can be written or queried. They can be used to set the value of the Pin output. • Alternate function (internally controlled): An alternate function pin is internally controlled by the CC864-Dual firmware and acts depending on the currently selected function. Default On_OF...
  • Page 39: Using A Gpio Pin As Input

    GPIO is set to low by the application. 3.13.5. TGPIO_05/RFTXMON When configured as RFTMON output, this pin is controlled by the CC864-Dual only. It is High when the transmitter is active, and Low when the transmitter activity is completed.
  • Page 40: Tgpio_06/Alarm

    Transmit) and low after the call is hung up. 3.13.6. TGPIO_06/ALARM This pin, when configured as alarm output, is controlled by the CC864-Dual. It goes high when the alarm starts, and low again after the issue of a dedicated AT- command.
  • Page 41: Tgpio_08/Power_Saving

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy 3.13.8. TGPIO_08/POWER_SAVING When configured as power saving, the host gives this signal to the module, setting the module into power saving mode. This signal is active low. When the module enters power saving mode, every active items, including the UART port is turned off, so that current consumption is considerably reduced.
  • Page 42: Miscellaneous Interface Signals

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy 3.14. Miscellaneous Interface Signals 3.14.1. VAUX1 A regulated power supply output is provided in order to supply small devices from the module itself. This output is active when the module is on, and shuts off when the module is shut down.
  • Page 43: Stat_Led

    The STAT_LED pin status shows information on the network service availability and Call status. In the CC864-Dual module, the STAT_LED usually needs an external transistor to drive an external LED. Therefore, the status indicated in the following table is reversed with respect to the pin status.
  • Page 44 CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy If this pin is set to a low state, the module uses the handset audio path. And if set to a high state, the module changes the audio path to hands free mode from handset mode.
  • Page 45: Development And Testing

    80pppSTzzzzza Rev. 0.4 - dd/mm/yy Development and Testing In order to assist you with the development of your Telit CC864-Dual module based application, Telit can supply the EVK2 Evaluation kit with appropriate power supply, R-UIM card housing, RS232 serial port level translator, direct UART connection, USB connection, Handset, Headset and Hands-free(car kit) audio and antenna.
  • Page 46: Acronyms And Abbreviations

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy Acronyms and Abbreviations Term Definition Analog-to-Digital Converter CDMA Code Division Multiple Access Digital-to-Analog Converter EVRC Enhanced Variable Rate CODEC GPIO General Purpose Input / Output Global Positioning System Hands-free Inter-Integrated Circuit...
  • Page 47: Appendix: Pin Allocation

    CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy Appendix: Pin Allocation The table below lists the complete pin allocation on the system connector of the CC864-DUAL. Internal Pin Signal Function Type Pull up Power Supply VBATT Main power supply...
  • Page 48 CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy 2.8V C106/CTS Output for Clear to send signal (CTS) to CMOS 2.8V C108/DTR Input for Data terminal ready signal (DTR) CMOS from DTE 2.8V C125/RING Output for Ring indicator signal (RI) to CMOS 2.8V...
  • Page 49 Power ON/OFF* Input command for switching power ON 47kΩ Pull up to or OFF (toggle command). The pulse to VBTT be sent to the CC864-DUAL must be equal or greater than 1 second. RESET* Reset input VRTC Power Telit GPIO...
  • Page 50 CC864-DUAL Hardware User Guide 80pppSTzzzzza Rev. 0.4 - dd/mm/yy Warning: All reserved pins must be left open and unconnected; they may not be used for any routing purposes on the application PCB (NC/NR pins). They are reserved for internal Telit use or future expansion.

Table of Contents