GM47/GM48 INTEGRATOR’S MANUAL

2.

System Connector Interface

41

 

2.1

Overview

41

 

2.2

General Electrical and Logical Characteristics

44

 

 

2.2.1

General Protection Requirements

44

 

2.3

Grounds

..........................................................................................

45

 

 

2.3.1

Analogue Ground - AGND

45

 

 

2.3.2

Digital Ground - DGND

45

 

2.4

VCC - Regulated Power Supply Input

45

 

2.5

ON/OFF and External Power Signal

46

 

 

2.5.1

Switching the module ON and OFF

46

 

 

2.5.2

VIO - 2.75V Supply

47

 

2.6

Analogue Audio

48

 

 

2.6.1

Audio To Mobile Station - ATMS

48

 

 

2.6.2

Audio From Mobile Station - AFMS

49

 

 

2.6.3

Microphone Signals

50

 

 

2.6.4

Speaker Signals

51

 

2.7

PCM Digital Audio

52

 

 

2.7.1

PCM Data Format

53

 

2.8

Serial Data Interfaces

55

 

 

2.8.1

UART1 (RS232) - RD, TD, RTS, CTS, DTR, DCD and RI

55

 

 

2.8.2

Serial Data Signals - RD, TD

56

 

 

2.8.3

Control Signals - RTS, CTS, DTR, DCD, RI

56

 

 

2.8.4

UART2 - TD2, RD2

58

 

 

2.8.5

UART3 - TD3, RD3 (designated for future use)

59

 

2.9

SIM Card Related Signals

59

 

 

2.9.1

SIM Detection - SIMPRESENCE

60

 

2.10

Service/Programming

61

 

2.11

Buzzer

..........................................................................................

61

 

2.12

LED

..........................................................................................

61

 

2.13

General Purpose Digital I/O Ports

62

 

2.14

General Purpose Analogue I/O Ports

63

 

 

2.14.1

Digital to Analogue Converter - DAC

63

 

 

2.14.2

Analogue to Digital Converters 1, 2 and 3 - ADCx

64

 

2.15

External I 2C Serial Control Bus

65

 

2.16

TX_ON - Burst Transmission

65

 

2.17

Real Time Clock

66

3.

Antenna Connector

68

4. Hints for Integrating the Module

69

 

4.1

Safety Advice and Precautions

69

 

 

4.1.1

General

69

 

 

4.1.2

SIM Card

69

 

 

4.1.3

Antenna

70

 

4.2

Installation of the Module

70

 

 

4.2.1

Where to Install the Module

70

 

 

4.2.2

How to Install the Module

71

 

4.3

Antenna

..........................................................................................

72

4

LZT 123 7263 R1C

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Sony Ericsson GM48, GM47 manual Digital Ground Dgnd, VIO 2.75V Supply, Digital to Analogue Converter DAC 14.2, Antenna