Hyundai Micro Electronics
GMS81C2020/GMS81C2120
Address
C0H
C1H
C2H
C3H
C4H
C5H
C6H
C7H
C8H
C9H
CAH
CBH
CCH
CDH
CEH
CFH
D0H
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
R0
R0 Port Data Register (Bit[7:0])
R0 Port Direction Register (Bit[7:0])
R1 Port Data Register (Bit[7:0])
R1 Port Direction Register (Bit[7:0])
R2 Port Data Register (Bit[7:0])
R2 Port Direction Register (Bit[7:0])
R3 Port Data Register (Bit[5:0])
R3 Port Direction Register (Bit[5:0])
R4 Port Data Register (Bit[3:0])
R4 Port Direction Register (Bit[3:0])
R5 Port Data Register (Bit[7:0])
R5 Port Direction Register (Bit[7:0])
R6 Port Data Register (Bit[7:0])
R6 Port Direction Register (Bit[7:0])
R7 Port Data Register (Bit[5:0])
R7 Port Direction Register (Bit[5:0])
R0IO
R1
R1IO
R2
R2IO
R3
R3IO
R4
R4IO
R5
R5IO
R6
R6IO
R7
R7IO
TM0
-
-
CAP0
T0CK2
T0CK1
T0CK0
T0CN
T1CN
T0ST
T1ST
T0/TDR0/
CDR0
D1H
D2H
D3H
Timer0 Register / Timer0 Data Register / Capture0 Data Register
POL 16BIT PWM1E CAP1 T1CK1 T1CK0
Timer1 Data Register / PWM1 Period Register
TM1
TDR1/
T1PPR
T1/CDR1/
T1PDR
D4H
Timer1 Register / Capture1 Data Register / PWM1 Duty Register
D5H
DEH
E0H
E1H
E2H
E3H
E4H
E5H
E6H
EAH
EBH
ECH
PWM1HR
BUR
PWM1 High Register(Bit[3:0])
BUCK1
POL
BUCK0
IOSW
BUR5
SM1
BUR4
SM0
BUR3
SCK1
BUR2
SCK0
BUR1
BUR0
SIOM
SIOR
IENH
SIOST
SIOSF
SPI DATA REGISTER
INT0E
ADE
INT1E
WDTE
INT1IF
WDTIF
T0E
BITE
T0IF
BITIF
T1E
SPIE
T1IF
SPIIF
IENL
-
-
-
-
IRQH
IRQL
INT0IF
ADIF
-
-
-
-
IEDS
IED1H
ADS1
IED1L
ADS0
IED0H
ADST
IED0L
ADSF
ADCM
ADCR
-
ADEN
ADS3
ADS2
ADC Result Data Register
Basic Interval Timer Data Register
WAKEUP RCWDT
BITR1
CKCTLR1
ECH
-
WDTON
BTCL
BTS2
BTS1
BTS0
Table 11-3 Control Registers of GMS81C2020
These registers of shaded area can not be accessed by bit manipulation instruction as " SET1, CLR1 ", but should be accessed by
register operation instruction as " LDM dp,#imm ".
Nov. 1999 Ver 0.0
preliminary
33
HYNIX [ HYNIX SEMICONDUCTOR ]
