Rabbit 2000 - Rabbit Internal I;O Registers

204 Rabbit 2000 Microprocessor
B.2.1 Rabbit Internal I/O Registers
Table B-2 summarizes the reset state of the new I/O registers added in the Rabbit 2000
revisions.
Table B-2. Reset State of Rabbit 2000x I/O Registers
Register Name
Present
in Rev.
Mnemonic
I/O
Address
R/W Reset
Global Clock Modulator 0 Register B–C GCM0R 0x0A W 00000000
Global Clock Modulator 1 Register B–C GCM1R 0x0B W 00000000
Memory Bank 0 Control Register A–C MB0CR 0x14 W 00001000
Memory Timing Control Register C MTCR 0x19 W xxxx0000
Global CPU Configuration Register A–C GCPU 0x2E R 0xx00000
Rabbit 2000 Global Revision Register
A–C GREV 0x2F R
0xx00000
Rabbit 2000A Global Revision Register 0xx00001
Rabbit 2000B Global Revision Register 0xx00010
Rabbit 2000C Global Revision Register 0xx00011
Serial Port A Long Stop Register A–C SALR 0xC2 R/W xxxxxxxx
Serial Port B Long Stop Register A–C SBLR 0xD2 R/W xxxxxxxx
Serial Port C Long Stop Register A–C SCLR 0xE2 R/W xxxxxxxx
Serial Port D Long Stop Register A–C SDLR 0xF2 R/W xxxxxxxx