GMS81004 Datasheet, PDF (31/101 Pages) Hynix Semiconductor – 8-BIT SINGLE CHIP MICROCOMPUTERS

Chapter 2. Function Description
2.4 ZERO-PAGE PERIPHERAL REGISTERS
ADDRESS
FUNCTION REGISTERS
RESET VALUE
R/W SYMBOL
76543210
00C0H
00C1H
00C2H
00C3H
00C4H
00C5H
00C6H
00C7H
00C8H
00C9H
00CAH
00CBH
00CCH
00CDH
00CEH
00CFH
00D0H
00D1H
00D2H
00D3H
00D4H
00D5H
00D6H
00D7H
00D8H
00D9H
00DAH
00DBH
00DCH
00DDH
00DEH
PORT R0 DATA REG.
PORT R0 DATA DIRECTION REG.
PORT R1 DATA REG.
PORT R1 DATA DIRECTION REG.
PORT R2 DATA REG.
PORT R2 DATA DIRECTION REG.
Reserved
CLOCK CONTROL REG.
BASIC INTERVAL REG.
WATCH DOG TIMER REG.
PORT R1 MODE REG.
INT. MODE REG.
EXT. INT. EDGE SELECTION
INT. ENABLE REG. HIGH
INT. REQUEST FLAG REG. LOW
INT. ENABLE REG. HIGH
INT. REQUEST FLAG REG. HIGH
TIMER 0 (16bit) MODE REG.
TIMER 1 (8bit) MODE REG.
TIMER 2 (8bit) MODE REG.
TIMER 0 HIGH-MSB DATA REG.
TIMER 0 HIGH-LSB DATA REG.
TIMER0 LOW-MSB DATA REG.
TIMER0 LOW-MSB COUNT REG.
TIMER0 LOW-LSB DATA REG.
TIMER0 LOW-LSB COUNT REG.
TIMER 1 HIGH DATA REG.
TIMER1 LOW DATA REG.
TIMER1 LOW COUNT REG.
TIMER2 DATA REG.
TIMER2 COUNT REG.
TIMER 0/ TIMER1 MODE REG.
Reserved
STANDBY MODE RELEASE REG0
STANDBY MODE RELEASE REG1
PORT R1 OPEN DRAIN ASSIGN REG.
R/W
W
R/W
W
R/W
W
W
R
W
W
R/W
W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
W
W
R
W
R
W
W
R
W
R
R/W
W
W
W
R0
R0DD
R1
R1DD
R2
R2DD
Undefined
00
Undefined
00
Undefined
00
CKCTLR
BITR
WDTR
PMR1
IMOD
IEDS
IENL
IRQL
IENH
IRQH
TM0
TM1
TM2
T0HMD
T0HLD
T0LMD
T0LLD
T1HD
T1LD
T2DR
TM01
- - 110111
Undefined
- 0001111
00
- - 000000
00
- 00 - - - - -
- 00 - - - - -
000 - 000 -
000 - 000 -
00
00
00
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
00
SMRR0
00
SMRR1
00
R1ODC
00
- ; Not used
* Caution : Write only register can not be accessed by bit manipulation instruction.
: Do not access the Reserved registers .
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