參數(shù)資料
型號: TS80C31X2-MIA
廠商: TEMIC SEMICONDUCTORS
英文描述: IC-8-BIT CMOS CPU
中文描述: 集成電路8位CMOS處理器
文件頁數(shù): 3/40頁
文件大?。?/td> 484K
代理商: TS80C31X2-MIA
Rev. A - Mar. 19, 1999
3
Preliminary
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
Non Bit addressable
Bit
address-
able
0/8
1/9
2/A
3/B
4/C
5/D
6/E
7/F
F8h
FFh
F0h
B
0000 0000
F7h
E8h
EFh
E0h
ACC
0000 0000
E7h
D8h
DFh
D0h
PSW
0000 0000
D7h
C8h
CFh
C0h
C7h
B8h
IP
XXX0 0000
P3
1111 1111
IE
0XX0 0000
P2
1111 1111
SCON
0000 0000
P1
1111 1111
TCON
0000 0000
P0
1111 1111
SADEN
0000 0000
BFh
B0h
IPH
XXX0 0000
B7h
A8h
SADDR
0000 0000
AFh
A0h
AUXR1
XXXX 0XX0
A7h
98h
SBUF
XXXX XXXX
9Fh
90h
97h
88h
TMOD
0000 0000
SP
0000 0111
TL0
0000 0000
DPL
0000 0000
TL1
0000 0000
DPH
0000 0000
TH0
0000 0000
TH1
0000 0000
CKCON
XXXX XXX0
PCON
00X1 0000
8Fh
80h
87h
0/8
1/9
2/A
3/B
4/C
5/D
6/E
7/F
reserved
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