Siemens MC55 User Manual download pdf (Page 21)

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Digital I/O Data – Write/Read

GSM BASE + 405h

GPRS6055 Mode Only (Reset = 00h)

Bit 0 I/O 8 CN8 Pin 12

Bit 1 I/O 9 CN8 Pin 13

Bit 2 I/O 10 CN8 Pin 14

Bit 3 I/O 11 CN8 Pin 15

Bit 4 I/O 12 CN8 Pin 16

Bit 5 I/O 13 CN8 Pin 17

Bit 6 I/O 14 CN8 Pin 18

Bit 7 I/O 15 CN8 Pin 19

Digital I/O Direction – Write/Read

GSM BASE + 406h

GPRS6055 Mode Only (Reset = 00h)

Bit 0 I/O 0 0 = CN8 Pin 2 is an input, 1 = output

Bit 1 I/O 1 0 = CN8 Pin 3 is an input, 1 = output

Bit 2 I/O 2 0 = CN8 Pin 4 is an input, 1 = output

Bit 3 I/O 3 0 = CN8 Pin 5 is an input, 1 = output

Bit 4 I/O 4 0 = CN8 Pin 6 is an input, 1 = output

Bit 5 I/O 5 0 = CN8 Pin 7 is an input, 1 = output

Bit 6 I/O 6 0 = CN8 Pin 8 is an input, 1 = output

Bit 7 I/O 7 0 = CN8 Pin 9 is an input, 1 = output

Digital I/O Direction – Write/Read

GSM BASE + 407h

GPRS6055 Mode Only (Reset = FFh)

Bit 0 I/O 0 0 = CN8 Pin 12 is an input, 1 = output

Bit 1 I/O 1 0 = CN8 Pin 13 is an input, 1 = output

Bit 2 I/O 2 0 = CN8 Pin 14 is an input, 1 = output

Bit 3 I/O 3 0 = CN8 Pin 15 is an input, 1 = output

Bit 4 I/O 4 0 = CN8 Pin 16 is an input, 1 = output

Bit 5 I/O 5 0 = CN8 Pin 17 is an input, 1 = output

Bit 6 I/O 6 0 = CN8 Pin 18 is an input, 1 = output

Bit 7 I/O 7 0 = CN8 Pin 19 is an input, 1 = output

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Siemens MC55 User Manual Page 21