SAB80515 Datasheet, PDF (24/270 Pages) Siemens Semiconductor Group – 8-Bit Single-Chip Microcontroller Family

Memory Organization
Table 4-1
Special Function Registers
Symbol
Name
* P0
SP
Port 0
Stack pointer
DPL Data pointer, low byte
DPH Data pointer, high byte
PCON Power control register
* TCON Timer control register
TMOD Timer mode register
TL0
Timer 0, low byte
TL1
Timer 1, low byte
TH0 Timer 0, high byte
TH1 Timer 1, high byte
* P1
Port 1
* SCON Serial channel control register
SBUF Serial channel buffer register
* P2
Port 2
* IEN0 Interrupt enable register 0
IP0
Interrupt priority register 0
* P3
Port 3
* IEN1 Interrupt enable register 1
IP1
Interrupt priority register 1
* IRCON Interrupt request control register
CCEN Compare/capture enable register
CCL1 Compare/capture register 1, low byte
CCH1 Compare/capture register 1, high byte
CCL2 Compare/capture register 2, low byte
CCH2 Compare/capture register 2, high byte
CCL3 Compare/capture register 3, low byte
CCH3 Compare/capture register 3, high byte
* T2CON Timer 2 control register
CRCL Compare/reload/capture register, low byte
CRCH Compare/reload/capture register, high byte
TL2
Timer 2, low byte
TH2 Timer 2, high byte
* PSW Program status word register
* ADCON A/D converter control register
ADDAT A/D converter data register
DAPR D/A converter program register
P6
* ACC
Port 6
Accumulator
* P4
Port 4
*B
B register
* P5
Port 5
The SFR’s marked with an asterisk (*) are bit- and byte-addressable.
1) Additional feature of the ACMOS versions
Semiconductor Group
24
Address
80H
81H
82H
83H
87H
88H
89H
8AH
8BH
8CH
8DH
90H
98H
99H
0A0H
0A8H
0A9H
0B0H
0B8H
0B9H
0C0H
0C1H
0C2H
0C3H
0C4H
0C5H
0C6H
0C7H
0C8H
0CAH
0CBH
0CCH
0CDH
0D0H
0D8H
0D9H
0DAH
0DBH ¹⁾
0E0H
0E8H
0F0H
0F8H