Royaltek RDR-3100 Manual do Utilizador descarregar pdf (Página 10)

RDR-3100 User Manual

15 RXD2 (SiRF 3

RXD2)

I Can bus data (Receive)

Car PC (UAR2)

Vih > 2V Vil<0.8V

16 GND G Ground

Reference Ground

17 GND G Ground

18 GND G Ground

Reference Ground

19 N.C NC

20 N.C NC

z GPS_5V

This is the DC power supply input pin for system. .

z GND

GND provides the reference ground.

z BOOT

Set this pin to high for programming flash.

z RXD1

This is the main receiver channel and is used to receive software commands to the board from SIRFdemo software or from user written

software.

z RXD2

This is the auxiliary receiving channel communicated with car pc with can bus

z TXD1

This is the main transmitting channel and is used to output navigation and measurement data to SiRFdemo or user written software.

z TXD2

This is the auxiliary transmitting channel communicated with car pc with can bus

z ODOMETER

This pin provides for connecting to odometer.

z RTC (Backup voltage)

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Royaltek RDR-3100 Manual do Utilizador Página 10