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SIM-card reader ..................................................................................................................... 17
GPRS6055ER Digital I/O........................................................................................................... 17
Interrupts.................................................................................................................................... 17
GPRS6055 Module Programming................................................................................................. 19
Defining the Memory Map.......................................................................................................... 19
Digital I/O ................................................................................................................................... 19
Digital I/O – R/W at BASE + 400h.......................................................................................... 19
Advanced Digital I/O – R/W at GSM BASE + 400h ............................................................... 19
GSM I/O Space.......................................................................................................................... 19
GSM I/O UART (GSM BASE + 0 to GSM BASE + 7) ............................................................ 19
GSM Status – R/W at GSM BASE + 402h (00h after reset) .................................................. 19
GSM Control – R/W at GSM BASE + 403h (00h after reset)................................................. 19
RTD ISA ID ................................................................................................................................ 19
BA + 800h/BA + 801h RTD ID Data (read only, 8-bit or 16-bit) ............................................. 19
BA + 402h RTD ID Reset Pointer (read only, 8-bit only)........................................................ 19
RTD ID Data Read Indexes.................................................................................................... 19
Starting up and logging into the GSM network .......................................................................... 19
INTERRUPTS ............................................................................................................................ 19
GPRS6055ER Specifications ........................................................................................................ 19
GPRS6055ER Specifications..................................................................................................... 19
Siemens MC55 GSM Modem Specifications............................................................................. 19
GPRS6055ER Operating Conditions......................................................................................... 19
Limited Warranty............................................................................................................................ 19
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