Telit Wireless Solutions GC864-PY-C2 Скачать руководство пользователя страница 13 | Manualshive

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Telit Wireless Solutions GC864-PY-C2 Скачать руководство пользователя страница 13

GC864-QUAD-C2/PY-C2 Hardware User Guide

1vv0300744 Rev.1 - 24/10/06

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved

page 13 of 27

5 Power

Supply

The power supply circuitry and board layout are a very important part in the full product design and
they strongly reflect on the product overall performances, hence read carefully the requirements and
the guidelines that will follow for a proper design.

For more information please refer to

1vv0300694

GE864 Hardware User Guide

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Содержание GC864-PY-C2

Страница 1: ...GC864 QUAD C2 PY C2 Hardware User Guide GC864 QUAD C2 and GC864 PY C2 Hardware User Guide 1vv0300744 Rev 1 24 10 06...

Страница 2: ...300744 Rev 1 24 10 06 Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 2 of 27 This document is relating to the following products Model P N GC8...

Страница 3: ...2 Hardware Unconditional Restart 11 5 Power Supply 13 6 General Design Rules 14 7 Antenna 15 8 Serial Port 16 9 VAUX1 power output 17 10 Audio Section Overview 18 10 1 Audio Lines Characteristics 19 1...

Страница 4: ...es not make any warranty as to the information contained herein and does not accept any liability for any injury loss or damage of any kind incurred by use of or reliance upon the information Telit Co...

Страница 5: ...while the suggested hardware configurations shall not be considered mandatory instead the information given shall be used as a guide and a starting point for properly developing your product with the...

Страница 6: ...ev 1 24 10 06 Reproduction forbidden without Telit Communications S p A written authorization All Rights Reserved page 6 of 27 2 Mechanical Dimensions The Telit GC864 C2 module overall dimension are L...

Страница 7: ...al SIM Data I O 19 SIMCLK Digital Signal External SIM Clock 20 DAC_OUT Digital Output Digital Analog converter output 21 TGPIO_01 Digital In Out General purpose 22 TGPIO_02 JDR Digital In Out General...

Страница 8: ...igital Input RX Data for debug monitor 46 TX_Trace Digital Output TX Data for debug monitor 47 RESERVED 48 RESERVED 49 RESERVED 50 RESERVED 51 RESERVED 52 RESERVED 53 MIC_MT DEC Audio Input Handset mi...

Страница 9: ...ent that can be drained from the ON line is 0 1 mA A simple circuit to do it is NOTE don t use any pull up resistor on the ON line it is internally pulled up Using pull up resistor may bring to latch...

Страница 10: ...elit Communications S p A written authorization All Rights Reserved page 10 of 27 For example 1 Let s assume you need to drive the ON line with a totem pole output of a 3 5 V microcontroller uP_OUT1 1...

Страница 11: ...es to the network a detach request that informs the network that the device will not be reachable any more 4 2 1 Hardware shutdown To turn OFF the module GC864 C2 the ON line pin2 PL101 pin14 PL103 mu...

Страница 12: ...ator and improper functioning of the module The RESET line must be connected only in open collector configuration TIP The unconditional hardware Restart should be always implemented on the boards and...

Страница 13: ...rved page 13 of 27 5 Power Supply The power supply circuitry and board layout are a very important part in the full product design and they strongly reflect on the product overall performances hence r...

Страница 14: ...rization All Rights Reserved page 14 of 27 6 General Design Rules The principal guidelines for the Power Supply Design embrace three different design steps electrical design thermal design PCB layout...

Страница 15: ...e antenna connection and board layout design are the most important part in the full product design and they strongly reflect on the product overall performances hence read carefully and follow the re...

Страница 16: ...interface between the module and OEM hardware Several configurations can be designed for the serial port on the OEM hardware but the most common are RS232 PC com port microcontroller UART 2 8V 3V Uni...

Страница 17: ...authorization All Rights Reserved page 17 of 27 9 VAUX1 power output A regulated power supply output is provided in order to supply small devices from module This output is active when the module is O...

Страница 18: ...handset function HF lines is suited for hands free function car kit These two blocks can be active only one at a time selectable by AXE HW line or by dedicated AT command Keep in mind that MT lines w...

Страница 19: ...d 20dB echo canceller type handset Mic_HF 2nd single ended microphone path line coupling AC line type single ended coupling capacitor 100nF differential input resistance 50k differential input voltage...

Страница 20: ...volume steps 10 10 2 Microphone Biasing The electret microphones usually needs a biasing voltage to work properly You can use the on board circuitry on external biasing network 10 2 1 On board defaul...

Страница 21: ...Kit for Telit modules EVK2 to assist the designer to develop his own applications based on GC864 C2 module The EVK2 is composed by a mother board and a dedicated Telit module Interface Board on which...

Страница 22: ...lit Communications S p A written authorization All Rights Reserved page 22 of 27 11 SIM Design Guides In all Telit modules there are five pins for SIM card holder connection Please refer to 1vv0300694...

Страница 23: ...the pad at the read time The Output pads can only be written or queried and set the value of the pad output the alternate function pad is internally controlled by the GC864 C2 firmware and acts depen...

Страница 24: ...CS1230 PL103 pin26 pin27 pin28 The ADCs are able to read a voltage level in the range of 0 2 volts applied on the ADC pin input store and convert it into 11 bit word one 10 bit Digital to Analog Conve...

Страница 25: ...mity for EMC In order to satisfy the essential requisite of the R TTE 99 5 EC directive the GC864 C2 module is compliant with the following standards GSM Radio Spectrum Standard EN 301 511 and 3GPP 51...

Страница 26: ...ions have to be taken for the SIM checking carefully the instruction for its use Do not insert or remove the SIM when the product is in power saving mode The system integrator is responsible of the fu...

Страница 27: ...page 27 of 27 16 Document Change Log R Re ev vi is si io on n D Da at te e C Ch ha an ng ge es s ISSUE 0 29 09 06 Release First ISSUE 0 ISSUE 1 24 10 06 Added product GC864 PY C2 in the document Pag...

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