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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
Summary of Contents for 2000
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