SAB80C517A-N18 Siemens Semiconductor Group, SAB80C517A-N18 Datasheet - Page 33

• Manufacturer Part Number: SAB80C517A-N18
• Description: 8-Bit CMOS Single-Chip Microcontroller
• Manufacturer: Siemens Semiconductor Group

Table 3
Special Function Registers - Functional Blocks (cont’d)
Block
Timer 0/
Timer 1
Watchdog
1)
2)
3)
Semiconductor Group
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
Symbol
TCON
TH0
TH1
TL0
TL1
TMOD
IEN0
IEN1
IP0
IP1
WDTREL
2)
2)
2)
2)
Name
Timer Control Register
Timer 0, High Byte
Timer 1, High Byte
Timer 0, Low Byte
Timer 1, Low Byte
Timer Mode Register
Interrupt Enable Register 0
Interrupt Enable Register 1
Interrupt Priority Register 0
Interrupt Priority Register 1
Watchdog Timer Reload Reg.
32
SAB 80C517A/83C517A-5
Address Contents
88
8C
8D
8A
8B
89
A8
B8
A9
B9
86
H
H
H
H
H
H
H
H
H
H
H
1)
1)
1)
after Reset
00
00
00
00
00
00
00
00
00
XX00 0000
00
H
H
H
H
H
H
H
H
H
H
1994-05-01
B
3)