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AT80F51-20AC fiches techniques PDF

ATMEL Corporation - 8-Bit Microcontroller with 4K Bytes QuickFlash Memory

Numéro de référence AT80F51-20AC
Description 8-Bit Microcontroller with 4K Bytes QuickFlash Memory
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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AT80F51-20AC fiche technique
Features
Compatible with MCS-51™ Products
4K Bytes of Factory Programmable QuickFlashMemory
Fully Static Operation: 0 Hz to 20 MHz
Three-Level Program Memory Lock
128 x 8-Bit Internal RAM
32 Programmable I/O Lines
Two 16-Bit Timer/Counters
Six Interrupt Sources
Programmable Serial Channel
Low Power Idle and Power Down Modes
Description
The AT80F51 is a low-power, high-performance CMOS 8-bit microcomputer with 4K
bytes of QuickFlash Memory. The device is manufactured using Atmel’s high density
nonvolatile memory technology and is compatible with the industry standard MCS-
51™ instruction set and pinout. The on-chip QuickFlash allows custom codes to be
quickly programmed in the factory. By combining a versatile 8-bit CPU with Quick-
Flash on a monolithic chip, the Atmel AT80F51 is a powerful microcomputer which
provides a highly flexible and cost effective solution to many embedded control appli-
cations.
(continued)
Pin Configurations
TQFP
INDEX
CORNER
P1.5
P1.6
P1.7
RST
(RXD) P3.0
NC
(TXD) P3.1
(INT0) P3.2
(INT1) P3.3
(T0) P3.4
(T1) P3.5
4
44
34
24
14
03
93
83
73
6
3
3
5
4
1 33
2 32
3 31
4 30
5 29
6 28
7 27
8 26
9 25
10 24
11 23
1
21
31
41
51
61
71
1
8
9
2
02
12
2
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
EA
NC
ALE
PSEN
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
PDIP
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
(RXD) P3.0
(TXD) P3.1
(INT0) P3.2
(INT1) P3.3
(T0) P3.4
(T1) P3.5
(WR) P3.6
(RD) P3.7
X TA L 2
X TA L 1
GND
1 40
2 39
3 38
4 37
5 36
6 35
7 34
8 33
9 32
10 31
11 30
12 29
13 28
14 27
15 26
16 25
17 24
18 23
19 22
20 21
PLCC
VCC
P0.0 (AD0)
P0.1 (AD1)
P0.2 (AD2)
P0.3 (AD3)
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
EA
ALE
PSEN
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
P2.4 (A12)
P2.3 (A11)
P2.2 (A10)
P2.1 (A9)
P2.0 (A8)
INDEX
CORNER
(RXD)
(TXD)
(INT0)
(INT1)
(T0)
(T1)
P1.5
P1.6
P1.7
RST
P3.0
NC
P3.1
P3.2
P3.3
P3.4
P3.5
6 4 2 44 42 40
7 5 3 1 43 4139
8 38
9 37
10 36
11 35
12 34
13 33
14 32
15 31
16 30
11781 92 02 12 22 32 42 52 62 72289
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
EA
NC
ALE
PSEN
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
8-Bit
Microcontroller
with 4K Bytes
QuickFlash
Memory
AT80F51
0979A-A–12/97
3-3

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