參數(shù)資料
型號(hào): IC80C32-12W
英文描述: CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
中文描述: CMOS單芯片8位微控制器
文件頁數(shù): 10/48頁
文件大?。?/td> 274K
代理商: IC80C32-12W
IC80C52
IC80C32
10
Integrated Circuit Solution Inc.
MC002-0B
Table 2. Special Function Registers
Symbol
Description
Direct Address
Bit Address, Symbol, or Alternative Port Function
Reset Value
ACC
(1)
B
(1)
DPH
DPL
Accumulator
B register
E0H
F0H
83H
82H
E7
F7
E6
F6
E5
F5
E4
F4
E3
F3
E2
F2
E1
F1
E0
F0
00H
00H
00H
00H
Data pointer (DPTR) high
Data pointer (DPTR) low
AF
EA
AE
AD
AC
ES
AB
ET1
AA
EX1
A9
ET0
A8
EX0
IE
(1)
Interrupt enable
A8H
0XX00000B
BF
BE
BD
BC
PS
BB
PT1
BA
PX1
B9
PT0
B8
PX0
IP
(1)
Interrupt priority
B8H
XXX00000B
87
P0.7
AD7
86
P0.6
AD6
85
P0.5
AD5
84
P0.4
AD4
83
P0.3
AD3
82
P0.2
AD2
81
P0.1
AD1
80
P0.0
AD0
P0
(1)
Port 0
80H
FFH
97
P1.7
96
P1.6
95
P1.5
94
P1.4
93
P1.3
92
P1.2
91
P1.1
90
P1.0
P1
(1)
Port 1
90H
FFH
A7
P2.7
AD15 AD14
A6
P2.6
A5
P2.5
AD13 AD12 AD11 AD10 AD9
A4
P2.4
A3
P2.3
A2
P2.2
A1
P2.1
A0
P2.0
AD8
P2
(1)
Port 2
A0H
FFH
B7
P3.7
RD
B6
P3.6
WR
B5
P3.5
T1
B4
P3.4
T0
B3
P3.3
INT1
B2
P3.2
INT0
TXD
GF0
B1
P3.1
B0
P3.0
RXD
IDL
P3
(1)
Port 3
B0H
FFH
PCON
Power control
87H
SMOD
GF1
PD
0XXX0000B
D7
CY
D6
AC
D5
F0
D4
RS1
D3
RS0
D2
OV
D1
D0
P
PSW
(1)
SBUF
Program status word
Serial data buffer
D0H
99H
00H
XXXXXXXXB
9F
SM0
9E
SM1
9D
SM2
9C
REN
9B
TB8
9A
RB8
99
TI
98
RI
SCON
(1)
SP
Serial controller
Stack pointer
98H
81H
00H
07H
8F
TF1
GATE
CF
8E
TR1
C/
T
CE
8D
TF0
M1
CD
8C
TR0
M0
CC
8B
IE1
GATE
CB
8A
IT1
C/
T
CA
89
IE0
M1
C9
88
IT0
M0
C8
TCON
(1)
TMOD
Timer control
Timer mode
88H
89H
00H
00H
T2CON
(1,2)
TH0
TH1
TH2
(2)
TL0
TL1
RCAP2H
(2)
RCAP2L
(2)
TL2
(2)
Timer/Counter 2
Timer high 0
Timer high 1
Timer high 2
Timer low 0
Timer low 1
Capture high
Capture low
Timer low 2
C8H
8CH
8DH
8DH
8AH
8BH
CAH
CBH
CCH
00H
00H
00H
00H
00H
00H
00H
00H
Notes:
1. Denotes bit addressable.
2. SFRs are added to the 80C51 SFRs.
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