Intel 80C196NU User Manual
8XC196NP, 80C196NU USER’S MANUAL
C-2
Table C-2. Register Name, Address, and Reset Status
Register
Mnemonic
Register Name
Hex
Address
Binary Reset Value
High
Low
ACC_00 (NU)
Accumulator 0
000CH
0000
0000
0000
0000
ACC_02 (NU)
Accumulator 2
000EH
0000
0000
0000
0000
ACC_STAT (NU)
Accumulator Control and Status
000BH
0000
0000
ADDRCOM0 Address
Compare
0
1F40H
0000
1111
0010
0000
ADDRCOM1 Address
Compare
1
1F48H
XXXX
0000
0000
0000
ADDRCOM2 Address
Compare
2
1F50H
XXXX
0000
0000
0000
ADDRCOM3 Address
Compare
3
1F58H
XXXX
0000
0000
0000
ADDRCOM4 Address
Compare
4
1F60H
XXXX
0000
0000
0000
ADDRCOM5 Address
Compare
5
1F68H
XXXX
0000
0000
0000
ADDRMSK0 Address
Mask
0
1F42H
XXXX
1111
1111
1111
ADDRMSK1 Address
Mask
1
1F4AH
XXXX
1111
1111
1111
ADDRMSK2 Address
Mask
2
1F52H
XXXX
1111
1111
1111
ADDRMSK3 Address
Mask
3
1F5AH
XXXX
1111
1111
1111
ADDRMSK4 Address
Mask
4
1F62H
XXXX
1111
1111
1111
ADDRMSK5 Address
Mask
5
1F6AH
XXXX
1111
1111
1111
BUSCON0 Bus
Control
0
1F44H
0000
0011
BUSCON1 Bus
Control
1
1F4CH
0000
0000
BUSCON2 Bus
Control
2
1F54H
0000
0000
BUSCON3 Bus
Control
3
1F5CH
0000
0000
BUSCON4 Bus
Control
4
1F64H
0000
0000
BUSCON5 Bus
Control
5
1F6CH
0000
0000
CCR0
Chip Configuration 0
FF2018H
XXXX
XXXX
CCR1
Chip Configuration 1
FF201AH
XXXX
XXXX
CON_REG0 PWM
Clock
Prescaler
Control
0
1FB6H
1111
1110
EP_DIR Extended
Port
I/O
Direction
1FE3H
1111
1111
EP_MODE
Extended Port Mode
1FE1H
1111
1111
EP_PIN Extended
Port
Pin
Input
1FE7H
XXXX
XXXX
EP_REG
Extended Port Data Output
1FE5H
XXXX
0000
EPA_MASK EPA
Mask
1F9CH
1010
1010
EPA_PEND
EPA Pending
1F9EH
1010
1010
EPA0_CON EPA
Capture/Comp
0
Control
1F80H
0000
0000
EPA1_CON EPA
Capture/Comp
1
Control
1F84H
0000
0000
0000
0000