User`s manual

User’s Manual
GPRS35 24 RTD Finland Oy
BASE+400 Digital I/O (R/W)
This address is used to interface to the digital I/O port of the
GPRS35, writing to this address will transfer the data out of the output
port, while reading from this address will return the data from the digital
inputs.
BASE+402 GSM Status (R/W, 0x00 after reset)
Write
Bit 0 RESERVED
Bit 1 /EN_INT 0 – UART interrupt enabled; 1 - disabled
Bit 2 RESERVED
Bit 3 RESERVED
Read
Bit 0 /EN_RST state
Bit 1 /EN_INT state
Bit 2 TEMP_LOW 1 - Board temperature below –20C
Bit 3 TEMP_HIGH 1 - Board temperature over +70C
BASE+403 GSM Control (R/W, 0x00 after reset)
Write
Bit 0 Ignition signal 1 – > 0 – results in IGN signal
Bit 1 Powerdown of the MC35 1 – Power down; 0 – Power on
Bit 2 RESERVED
Bit 3 RESERVED
Read
Bit 0 Ignition signal state
Bit 1 Powerdown of the MC35 state
Bit 2 RESERVED
Bit 3 RESERVED