TS80C31X2 데이터 시트보기 (PDF) - Temic Semiconductors
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TS80C31X2 Datasheet PDF : 40 Pages
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TS80C31X2
4. SFR Mapping
The Special Function Registers (SFRs) of the TS80C31X2 fall into the following categories:
• C51 core registers: ACC, B, DPH, DPL, PSW, SP, AUXR1
• I/O port registers: P0, P1, P2, P3
• Timer registers: TCON, TH0, TH1, TMOD, TL0, TL1
• Serial I/O port registers: SADDR, SADEN, SBUF, SCON
• Power and clock control registers: PCON
• Interrupt system registers: IE, IP, IPH
• Others: CKCON
Table 1. All SFRs with their address and their reset value
Bit
address-
able
Non Bit addressable
0/8
1/9
2/A
3/B
4/C
5/D
6/E
7/F
F8h
F0h
B
0000 0000
E8h
E0h
ACC
0000 0000
D8h
D0h
PSW
0000 0000
C8h
C0h
B8h
IP
XXX0 0000
SADEN
0000 0000
B0h
P3
1111 1111
A8h
IE
0XX0 0000
SADDR
0000 0000
A0h
P2
1111 1111
AUXR1
XXXX 0XX0
98h
SCON
0000 0000
SBUF
XXXX XXXX
90h
P1
1111 1111
88h
TCON
0000 0000
TMOD
0000 0000
TL0
0000 0000
80h
P0
1111 1111
SP
0000 0111
DPL
0000 0000
0/8
1/9
2/A
TL1
0000 0000
DPH
0000 0000
3/B
TH0
0000 0000
4/C
TH1
0000 0000
5/D
FFh
F7h
EFh
E7h
DFh
D7h
CFh
C7h
BFh
IPH
XXX0 0000
B7h
AFh
A7h
9Fh
97h
CKCON
XXXX XXX0
8Fh
PCON
00X1 0000
87h
6/E
7/F
reserved
Rev. A - Mar. 19, 1999
3
Preliminary
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