GMS97C2051 Datasheet, PDF (5/39 Pages) Hynix Semiconductor – 8-Bit CMOS Microcontorller

8-Bit CMOS Microcontorller
GMS97C2051/L2051
Table 2. Bit Assignment of SFRs
Address Register
81H
SP
82H
DPL
83H
DPH
87H PCON
88H TCON
89H TMOD
8AH
TL0
8BH
TL1
8CH
TH0
8DH
TH1
90H
P1
98H SCON
99H SBUF
A8H
IE
B0H
P3
B8H
IP
D0H
PSW
E0H
ACC
F0H
B
Bit7
SMOD
TF1
GATE
SM0
EA
-
CY
Bit6
-
TR1
C/ _T
SM1
-
-
AC
Bit5
-
TF0
M1
SM2
-
-
F0
Bit4
Bit3
Bit2
Bit1
Bit0
-
GF1
GF0
PD
IDLE
TR0
IE1
IT1
IE0
IT0
M0
GATE C / _T
M1
M0
REN
TB8
RB8
TI
RI
ES
ET1
EX1
ET0
EX0
PS
PT1
PX1
PT0
PX0
RS1
RS0
OV
F1
P
- : This Bit Location is reserved
Bit manipulation is available
Bit manipulation is not available
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