GMS90 Hynix Semiconductor, GMS90 Datasheet - Page 20

• Manufacturer Part Number: GMS90
• Description: 8-BIT SINGLE-CHIP MICROCONTROLLERS
• Manufacturer: Hynix Semiconductor

Table 2. Special Function Registers - Functional Blocks
1) Bit-addressable Special Function register
2) X means that the value is indeterminate and the location is reserved
3) This special function register is listed repeatedly since some bit of it also belong to other functional blocks
4) The AUXR0 is in the GMS9XX54/56/58 only.
16
CPU
Interrupt System
Ports
Serial Channels
Timer 0/ Timer 1
Timer 2
Power
Modes
Block
Saving
ACC
B
DPH
DPL
PSW
SP
IE
IP
P0
P1
P2
P3
PCON
SBUF
SCON
TCON
TH0
TH1
TL0
TL1
TMOD
T2CON
T2MOD
RC2H
RC2L
TH2
TL2
AUXR0
PCON
Symbol
3)
3)
4)
Accumulator
B-Register
Data Pointer, High Byte
Data Pointer, Low Byte
Program Status Word Register
Stack Pointer
Interrupt Enable Register
Interrupt Priority Register
Port 0
Port 1
Port 2
Port 3
Power Control Register
Serial Channel Buffer Reg.
Serial Channel 0 Control Reg.
Timer 0/1 Control Register
Timer 0, High Byte
Timer 1, High Byte
Timer 0, Low Byte
Timer 1, Low Byte
Timer Mode Register
Timer 2 Control Register
Timer 2 Mode Register
Timer 2 Reload Capture Reg., High Byte
Timer 2 Reload Capture Reg., Low Byte
Timer 2, High Byte
Timer 2, Low Byte
Aux. Register 0
Power Control Register
Name
E0H
F0H
83H
82H
D0H
81H
A8H
B8H
80H
90H
A0H
B0H
87H
99H
98H
88H
8CH
8DH
8AH
8BH
89H
C8H
C9H
CBH
CAH
CDH
CCH
8EH
87H
Address
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
Dec. 1998 Ver 3.0
GMS90 Series
00H
00H
00H
00H
00H
07H
0X000000B
XX000000B
FFH
FFH
FFH
FFH
0XXX0000B
XXH
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
XXXXXXX0B
0XXX0000B
after Reset
Contents
2)
2)
2)
2)
2)
2)