C501G-1E SIEMENS [Siemens Semiconductor Group], C501G-1E Datasheet - Page 25
![no-image](/images/no-image-200.jpg)
C501G-1E
Manufacturer Part Number
C501G-1E
Description
8-Bit Single-Chip Microcontroller
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.C501G-1E.pdf
(121 pages)
- Current page: 25 of 121
- Download datasheet (2Mb)
Table 3-2
Special Function Registers - Functional Blocks
Block
CPU
Interrupt
System
Ports
Serial
Channel
Timer 0 /
Timer 1
Timer 2
Pow. Sav.
Modes
Semiconductor Group
1) Bit-addressable special function registers
2) This special function register is listed repeatedly since some bits of it also belong to other functional blocks.
3) “X“ means that the value is undefined and the location is reserved
Symbol
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
PCON
2)
2)
Name
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 Register
Serial Channel Control Register
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 Register, High Byte
Timer 2 Reload/Capture Register, Low Byt
Timer 2 High Byte
Timer 2 Low Byte
Power Control Register
3-4
Memory Organization
Address Contents after
E0 H
F0 H
83 H
82 H
D0 H
81 H
A8 H
B8 H
80 H
90 H
A0 H
B0 H
87 H
99 H
98 H
88 H
8C H
8D H
8A H
8B H
89 H
C8 H
C9 H
CB H
CA H
CD H
CC H
87 H
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
Reset
00 H
00 H
00 H
00 H
00 H
07 H
0X000000 B
XX000000 B
FF H
FF H
FF H
FF H
0XXX0000 B
XX H
00 H
00 H
00 H
00 H
00 H
00 H
00 H
00 H
XXXXXXX0 B
00 H
00 H
00 H
00 H
0XXX0000 B
3)
C501
3)
3)
3)
3)
3)
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