SAB80C515-16-N SIEMENS [Siemens Semiconductor Group], SAB80C515-16-N Datasheet - Page 22

• Manufacturer Part Number: SAB80C515-16-N
• Description: 8-Bit CMOS Single-Chip Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Table 2
Special Function Registers- Functional Blocks (cont’d)
Block
Ports
Pow.Sav.M
odes
Serial
Channels
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
P0
P1
P2
P3
P4
P5
P6
PCON
ADCON
PCON
SBUF
SCON
TCON
TH0
TH1
TL0
TL1
TMOD
IEN0
IEN1
IP0
IP1
2)
2)
2)
2)
2)
2)
Name
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6, Analog/Digital Input
Power Control Register
A/D Converter Control Reg.
Power Control Register
Serial Channel Buffer Reg.
Serial Channel Control Reg.
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
21
Address
80
90
0A0
0B0
0E8
0F8
0DB
87
0D8
87
99
98
88
8C
8D
8A
8B
89
0A8
0B8
0A9
0B9
H
H
H
H
H
H
H
H
H
H
H
H
H
SAB 80C515/80C535
H
H
H
H
H
H
H
H
1)
1)
H
1)
1)
1)
1)
1)
1)
1)
1)
1)
Contents
after Reset
0FF
0FF
0FF
0FF
0FF
0FF
000X 0000
00X0 0000
000X 0000
0XX
00
00
00
00
00
00
00
00
00
X000 0000
XX00 0000
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
3)
B
B
B
B
B
2)
2)
2)
2)
3)