C501G-1E SIEMENS [Siemens Semiconductor Group], C501G-1E Datasheet - Page 26

• Manufacturer Part Number: C501G-1E
• Description: 8-Bit Single-Chip Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Table 3-3
Contents of the SFRs, SFRs in numeric order of their addresses
Addr Register Content
80 H
81 H
82 H
83 H
87 H
88 H
89 H
8A H
8B H
8C H TH0
8D H TH1
90 H
98 H
99 H
A0 H
A8 H
B0 H
B8 H
C8 H
C9 H T2MOD
CA H RC2L
CB H RC2H
CC H TL2
CD H TH2
Semiconductor Group
1) X means that the value is undefined and the location is reserved
2) Bit-addressable special function registers
2)
2)
2)
2)
2)
2)
2)
2)
2)
P0
SP
DPL
DPH
PCON
TCON
TMOD
TL0
TL1
P1
SCON
SBUF
P2
IE
P3
IP
T2CON
XXXX-
after
Reset
FF H
07 H
00 H
00 H
0XXX-
0000 B
00 H
00 H
00 H
00 H
00 H
00 H
FF H
00 H
XX H
FF H
0X00-
0000 B
FF H
XX00-
0000 B
00 H
XXX0 B
00 H
00 H
00 H
00 H
1)
Bit 7
.7
.7
.7
.7
SMOD –
TF1
GATE
.7
.7
.7
.7
.7
SM0
.7
.7
EA
RD
–
TF2
–
.7
.7
.7
.7
Bit 6
.6
.6
.6
.6
TR1
C/T
.6
.6
.6
.6
.6
SM1
.6
.6
–
WR
–
EXF2
–
.6
.6
.6
.6
.5
.5
.5
.5
–
TF0
M1
.5
SM2
.5
.5
ET2
T1
PT2
RCLK
–
Bit 5
.5
.5
.5
.5
.5
.5
.5
.5
3-5
Bit 4
.4
.4
.4
.4
–
TR0
M0
.4
.4
.4
.4
.4
REN
.4
.4
ES
T0
PS
TCLK
–
.4
.4
.4
.4
Bit 3
.3
.3
.3
.3
GF1
IE1
GATE
.3
.3
.3
.3
.3
TB8
.3
.3
ET1
INT1
PT1
EXEN2 TR2
–
.3
.3
.3
.3
Memory Organization
Bit 2
.2
.2
.2
.2
GF0
IT1
C/T
.2
.2
.2
.2
.2
RB8
.2
.2
EX1
INT0
PX1
–
.2
.2
.2
.2
Bit 1
.1
.1
.1
.1
PDE
IE0
M1
.1
.1
.1
.1
.1
TI
.1
.1
ET0
TxD
PT0
C/T2
–
.1
.1
.1
.1
Bit 0
.0
.0
.0
.0
IDLE
IT0
M0
.0
RI
.0
.0
EX0
RxD
PX0
CP/
RL2
DCEN
.0
.0
.0
.0
.0
.0
.0
.0
C501