Siemens ET7 Series Especificações descarregar pdf (Página 3)

DSB75 Development Support Board Rev. B1 Hardware Description

Strictly confidential / Released

DSB75_hd_v08 Page 3 of 94 29.09.2005

Contents

0 Document History .........................................................................................................7

1 Introduction .................................................................................................................11

1.1 Supported Products .............................................................................................11

1.2 Related Documents .............................................................................................11

1.3 Scope of Delivery.................................................................................................12

1.4 Terms and Abbreviations.....................................................................................12

2 General Overview........................................................................................................14

2.1 Key Features at a Glance ....................................................................................14

2.2 System Overview.................................................................................................16

2.3 Location of Connectors, Switches, Jumpers, LEDs, Adjustable Resistors ..........17

2.4 Block Diagram .....................................................................................................18

2.5 Interface Overview...............................................................................................19

3 Description of DSB75 Interfaces ...............................................................................21

3.1 GSM Module Interface (Board-to-Board Connector) ...........................................21

3.2 Test Points...........................................................................................................23

3.3 GPIO Lines ..........................................................................................................25

3.4 SIM Card Interface...............................................................................................27

3.5 RS-232 Interfaces................................................................................................29

3.5.1 Serial Interface 1 (COM1)......................................................................31

3.5.2 Serial Interface 2 (COM2)......................................................................32

3.5.3 Debug Interface (COM3)........................................................................33

3.6 Analog Audio Interfaces.......................................................................................34

3.6.1 Audio Interface 1 (Handset)...................................................................35

3.6.2 Audio Interface 2 (Headset or Speakerphone Operation)......................36

3.6.2.1 Recommended Headset........................................................36

3.6.2.2 Speakerphone Operation.......................................................37

3.6.3 Microphone Circuit (Feeding Bridges) ...................................................38

3.7 Digital Audio Interface..........................................................................................39

3.8 USB Device Interface ..........................................................................................41

3.9 I²C Interface .........................................................................................................43

3.10 SD Card Interface ................................................................................................46

3.10.1 SD 4 Bit Mode........................................................................................48

3.10.2 SD 1 Bit Mode........................................................................................49

3.10.3 SPI Bus Mode........................................................................................50

3.11 Serial Peripheral Interfaces .................................................................................51

3.12 Analog Interface...................................................................................................53

3.13 Antenna Interface ................................................................................................55

3.14 Power Supply Interfaces......................................................................................56

3.14.1 Internal Supply Voltages........................................................................58

3.14.2 Power Supply for DSB75 and GSM Module ..........................................60

3.14.3 Battery Powered Operation of GSM Module..........................................61

3.14.3.1 Charging the Battery..............................................................61

1 2 3 4 5 6 7 8 ... 93 94

Comentários a estes Manuais

Sem comentários

Siemens ET7 Series Especificações Página 3

Comentários a estes Manuais

Manuais e produtos relacionados com Fogões Siemens ET7 Series