C504 SIEMENS [Siemens Semiconductor Group], C504 Datasheet - Page 15

• Manufacturer Part Number: C504
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Table 2
Special Function Registers - Functional Blocks
Block
CPU
Interrupt
System
Ports
A/D-
Converter
Serial
Channels
Timer 0/
Timer 1
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
4) SFR is located in the mapped SFR area. For accessing this SFR, bit RMAP in SFR SYSCON must be set.
Semiconductor Group
Symbol
ACC
B
DPH
DPL
PSW
SP
SYSCON
IEN0
IEN1
CCIE
IP0
IP1
ITCON
P0
P1
P1ANA
P2
P3
P3ANA
ADCON0
ADCON1
ADDATH
ADDATL
P1ANA
P3ANA
PCON
SBUF
SCON
TCON
TH0
TH1
TL0
TL1
TMOD
2)
2)
2)
2)
2)
2)
Name
Accumulator
B-Register
Data Pointer, High Byte
Data Pointer, Low Byte
Program Status Word Register
Stack Pointer
System Control Register
Interrupt Enable Register 0
Interrupt Enable Register 1
Capture/Compare Interrupt Enable Reg.
Interrupt Priority Register 0
Interrupt Priority Register 1
Interrupt Trigger Condition Register
Port 0
Port 1
Port 1 Analog Input Selection Register
Port 2
Port 3
Port 3 Analog Input Selection Register
A/D Converter Control Register 0
A/D Converter Control Register 1
A/D Converter Data Register High Byte
A/D Converter Data Register Low Byte
Port 1 Analog Input Selection Register
Port 3 Analog Input Selection Register
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
15
Address Contents after
E0 H
F0 H
83 H
82 H
D0 H
81 H
B1 H
A8 H
A9 H
D6 H
B8 H
B9 H
9A H
80 H
90 H
90 H
A0 H
B0 H
B0 H
D8 H
DC H
D9 H
DA H
90 H
B0 H
87 H
99 H
98 H
88 H
8C H
8D H
8A H
8B H
89 H
1)
1)
1)
1) 4)
1)
1)
1)
1)
1)
1)
1)
1)
1) 4)
1
4)
4)
Reset
00 H
00 H
00 H
00 H
00 H
07 H
XX10XXX0 B
0X000000 B
XX000000 B
00 H
XX000000 B
XX000000 B
00101010 B
FF H
FF H
XXXX1111 B
FF H
FF H
XX1111XX B
XX000000 B
01XXX000 B
00 H
00XXXXXX B
XXXX1111 B
XX1111XX B
000X0000 B
XX H
00 H
00 H
00 H
00 H
00 H
00 H
00 H
3)
C504
3)
3)
3)
3)
3)
3)
3)
3)
3)
3)
3)
3)