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68
Rabbit 2000 Microprocessor
Serial Port A Status Register
SASR
0xC3
R
0xx00000
Serial Port A Control Register
SACR
0xC4
W
xx000000
Serial Port B Data Register
SBDR
0xD0
R/W
xxxxxxxx
Serial Port B Address Register
SBAR
0xD1
W
xxxxxxxx
Serial Port B Status Register
SBSR
0xD3
R
0xx00000
Serial Port B Control Register
SBCR
0xD4
W
xx000000
Serial C Data Register
SCDR
0xE0
R/W
xxxxxxxx
Serial C Address Register
SCAR
0xE1
W
xxxxxxxx
Serial C Status Register
SCSR
0xE3
R
0xx00000
Serial C Control Register
SCCR
0xE4
W
xx00x000
Serial Port D Data Register
SDDR
0xF0
R/W
xxxxxxxx
Serial Port D Address Register
SDAR
0xF1
W
xxxxxxxx
Serial Port D Status Register
SDSR
0xF3
R
0xx00000
Serial Port D Control Register
SDCR
0xF4
W
xx00x000
Serial Port A Long Stop Register (Rev A–C)
SALR
0xC2
R/W
xxxxxxxx
Serial Port B Long Stop Register (Rev A–C)
SBLR
0xD2
R/W
xxxxxxxx
Serial Port C Long Stop Register (Rev A–C)
SCLR
0xE2
R/W
xxxxxxxx
Serial Port D Long Stop Register (Rev A–C)
SDLR
0xF2
R/W
xxxxxxxx
Slave Port Control Register
SPCR
0x24
R/W
000x0000
Slave Port Data 0 Register
SPD0R
0x20
R/W
xxxxxxxx
Slave Port Data 1 Register
SPD1R
0x21
R/W
xxxxxxxx
Slave Port Data 2 Register
SPD2R
0x22
R/W
xxxxxxxx
Slave Port Status Register
SPSR
0x23
R
00000000
Timer A Control/Status Register
TACSR
0xA0
R/W
0000xx00
Timer A Control Register
TACR
0xA2
W
0000xx00
Timer A Time Constant 1 Register
TAT1R
0xA3
W
xxxxxxxx
Timer A Time Constant 4 Register
TAT4R
0xA9
W
xxxxxxxx
Timer A Time Constant 5 Register
TAT5R
0xAB
W
xxxxxxxx
Timer A Time Constant 6 Register
TAT6R
0xAD
W
xxxxxxxx
Timer A Time Constant 7 Register
TAT7R
0xAF
W
xxxxxxxx
Table 6-1. Rabbit Internal I/O Registers (continued)
Register Name
Mnemonic
I/O Address
R/W
Reset
Summary of Contents for 2000
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