C509-L_97 SIEMENS [Siemens Semiconductor Group], C509-L_97 Datasheet - Page 47

• Manufacturer Part Number: C509-L_97
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Table 3-4
Special Function Registers - Functional Blocks (cont’d)
Block
MUL/DIV
Unit
Timer 0 /
Timer 1
Ports
Power
Saving
Modes
Semiconductor Group
1)
2)
3)
4)
5)
Bit-addressable special function registers
This special function register is listed repeatedly since some bits of it also belong to other functional blocks.
X means that the value is indeterminate and the location is reserved
Register is mapped by bit PDIR.
Register is mapped by bit RMAP.
Symbol
ARCON
MD0
MD1
MD2
MD3
MD4
MD5
TCON
TH0
TH1
TL0
TL1
TMOD
PRSC
P0
DIR0
P1
DIR1
P2
DIR2
P3
DIR3
P4
DIR4
P5
DIR5
P6
DIR6
P7
P8
P9
DIR9
PCON
4)
4)
4)
4)
4)
4)
4)
4)
4)
4)
4)
4)
4)
4)
4)
4)
2)
Name
Arithmetic Control Register
Multiplication/Division Register 0
Multiplication/Division Register 1
Multiplication/Division Register 2
Multiplication/Division Register 3
Multiplication/Division Register 4
Multiplication/Division Register 5
Timer Control Register
Timer 0, High Byte
Timer 1, High Byte
Timer 0, Low Byte
Timer 1, Low Byte
Timer Mode Register
Prescaler Control Register
Port 0
Direction Register Port 0
Port 1
Direction Register Port 1
Port 2
Direction Register Port 2
Port 3
Direction Register Port 3
Port 4
Direction Register Port 4
Port 5
Direction Register Port 5
Port 6
Direction Register Port 6
Port 7, Analog/Digital Input
Port 8, Analog/Digital Input
Port 9
Direction Register Port 9
Power Control Register
3-22
Memory Organization
Address Contents after
EF H
E9 H
EA H
EB H
EC H
ED H
EE H
88 H
8C H
8D H
8A H
8B H
89 H
B4 H
80 H
80 H
90 H
90 H
A0 H
A0 H
B0 H
B0 H
E8 H
E8 H
F8 H
F8 H
FA H
FA H
DB H
DD H
F9 H
F9 H
87 H
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
Reset
0XXXXXXX B
XX H
XX H
XX H
XX H
XX H
XX H
00 H
00 H
00 H
00 H
00 H
00 H
11010101 B
FF H
FF H
FF H
FF H
FF H
FF H
FF H
FF H
FF H
FF H
FF H
FF H
FF H
FF H
--
--
FF H
FF H
00 H
1997-10-01
3)
3)
3)
3)
3)
3)
C509-L
3)
3)