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AT89C51AC3-RDTIM 数据表(PDF) 11 Page - ATMEL Corporation

部件名 AT89C51AC3-RDTIM
功能描述  Enhanced 8-bit Microcontroller with 64KB Flash Memory
PDF  140 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT89C51AC3-RDTIM 数据表(HTML) 11 Page - ATMEL Corporation

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11
AT89C51AC3
4383D–8051–02/08
SFR Mapping
The Special Function Registers (SFRs) of the AT89C51AC3 fall into the following
categories:
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
ACC
E0h Accumulator
–
–
–
–
–
–
–
–
B
F0h
B Register
–
–
–
–
–
–
–
–
PSW
D0h Program Status Word
CY
AC
F0
RS1
RS0
OV
F1
P
SP
81h
Stack Pointer
–
–
–
–
–
–
–
–
DPL
82h
Data Pointer Low
byte
LSB of DPTR
–
–
–
–
–
–
–
–
DPH
83h
Data Pointer High
byte
MSB of DPTR
–
–
–
–
–
–
–
–
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
P0
80h
Port 0
–
–
–
–
–
–
–
–
P1
90h
Port 1
–
–
–
–
–
–
–
–
P2
A0h Port 2
–
–
–
–
–
–
–
–
P3
B0h Port 3
–
–
–
–
–
–
–
–
P4
C0h Port 4 (x5)
–
–
–
P4.4 /
MOSI
P4.3 /
SCK
P4.2 /
MISO
P4.1
P4.0
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
TH0
8Ch
Timer/Counter 0 High
byte
–
–
–
–
–
–
–
–
TL0
8Ah
Timer/Counter 0 Low
byte
–
–
–
–
–
–
–
–
TH1
8Dh
Timer/Counter 1 High
byte
–
–
–
–
–
–
–
–
TL1
8Bh
Timer/Counter 1 Low
byte
–
–
–
–
–
–
–
–
TH2
CDh
Timer/Counter 2 High
byte
–
–
–
–
–
–
–
–
TL2
CCh
Timer/Counter 2 Low
byte
–
–
–
–
–
–
–
–
TCON
88h
Timer/Counter 0 and
1 control
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
TMOD
89h
Timer/Counter 0 and
1 Modes
GATE1
C/T1#
M11
M01
GATE0
C/T0#
M10
M00



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