Jameco Electronics Rabbit 3000 - Manual (Page 336)

User’s Manual 327
A
PPENDIX
D.
R
ABBIT
3000A I
NTERNAL
I/O R
EGISTERS
Table D-1 provides a list of all the Rabbit 3000A internal I/O registers.
Table D-1. Rabbit 3000A Internal I/O Registers
Register Name Mnemonic I/O Address R/W Reset
Global Control/Status Register GCSR 0x0000 R/W 11000000
Real Time Clock Control Register RTCCR 0x0001 W 00000000
Real Time Clock Byte 0 Register RTC0R 0x0002 R/W xxxxxxxx
Real Time Clock Byte 1 Register RTC1R 0x0003 R xxxxxxxx
Real Time Clock Byte 2 Register RTC2R 0x0004 R xxxxxxxx
Real Time Clock Byte 3 Register RTC3R 0x0005 R xxxxxxxx
Real Time Clock Byte 4 Register RTC4R 0x0006 R xxxxxxxx
Real Time Clock Byte 5 Register RTC5R 0x0007 R xxxxxxxx
Watchdog Timer Control Register WDTCR 0x0008 W 00000000
Watchdog Timer Test Register WDTTR 0x0009 W 00000000
Global Clock Modulator 0 Register GCM0R 0x000A W 00000000
Global Clock Modulator 1 Register GCM1R 0x000B W 00000000
Secondary Watchdog Timer Register SWDTR 0x000C W 11111111
Global Power Save Control Register GPSCR 0x000D W 00000000
Global Output Control Register GOCR 0x000E W 00000000
Global Clock Double Register GCDR 0x000F W 00000000
Global ROM Configuration Register GROM 0x002C R 0xx00000
Global RAM Configuration Register GRAM 0x002D R 0xx00000
Global CPU Configuration Register GCPU 0x002E R 0xx00001
Global Revision Register GREV 0x002F R 0xx00001
MMU Instruction/Data Register MMIDR 0x0010 R/W 00000000