AT87F51-33AC ATMEL Corporation, AT87F51-33AC Datasheet

AT87F51-33AC

Manufacturer Part Number

AT87F51-33AC

Description

Manufacturer

ATMEL Corporation

Datasheet

1.AT87F51-33AC.pdf (16 pages)

Specifications of AT87F51-33AC

Date_code

01+/04+

Packing_info

TQFP-44

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Features

•

Description

The AT87F51 is a low-power, high-performance CMOS 8-bit microcomputer with 4K

bytes of QuickFlash Programmable Read Only 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 the program memory to be user programmed by a conventional nonvolatile

memory programmer. By combining a versatile 8-bit CPU with QuickFlash on a mono-

lithic chip, the Atmel AT87F51 is a powerful microcomputer which provides a highly

flexible and cost effective solution to many embedded control applications.

Pin Configurations

(

( R X D ) P 3 . 0

I N T 0

I N T 1

( T X D ) P 3 . 1

Compatible with MCS-51™ Products

4K Bytes of User Programmable QuickFlash™ Memory

Fully Static Operation: 0 Hz to 24 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

( T 0 ) P 3 . 4

( T 1 ) P 3 . 5

I N D E X

C O R N E R

) P 3 . 2

) P 3 . 3

P 1 . 5

P 1 . 6

P 1 . 7

R S T

N C

1 0

1 1

4 4

1 2

4 3

1 3

4 2

1 4

8TQFP

4 1

1 5

4 0

1 6

3 9

1 7

1 8

1 9

3 6

2 0

3 5

2 1

3 4

2 2

3 3

3 2

3 0

2 9

2 8

2 7

2 6

2 5

2 4

2 3

3 1

P 0 . 4 ( A D 4 )

P 0 . 5 ( A D 5 )

P 0 . 6 ( A D 6 )

P 0 . 7 ( A D 7 )

E A / V P P

N C

A L E / P R O G

P S E N

P 2 . 7 ( A 1 5 )

P 2 . 6 ( A 1 4 )

P 2 . 5 ( A 1 3 )

(

( R X D ) P 3 . 0

( T X D ) P 3 . 1

I N T 0

I N T 1

(

( T 0 ) P 3 . 4

( T 1 ) P 3 . 5

( R X D ) P 3 . 0

( T X D ) P 3 . 1

I N D E X

C O R N E R

I N T 0

I N T 1

(

( T 0 ) P 3 . 4

( T 1 ) P 3 . 5

W R

R D

) P 3 . 2

) P 3 . 3

P 1 . 5

P 1 . 6

P 1 . 7

R S T

) P 3 . 2

) P 3 . 3

) P 3 . 6

) P 3 . 7

X TA L 2

X TA L 1

N C

P 1 . 0

P 1 . 1

P 1 . 2

P 1 . 3

P 1 . 4

P 1 . 5

P 1 . 6

P 1 . 7

G N D

R S T

1 0

1 1

1 2

1 3

1 4

1 5

1 6

1 7

1 8

1 9

1 0

1 1

1 2

1 3

1 4

1 5

1 6

1 7

1 8

1 9

2 0

PDIP

2 1

PLCC

2 2

2 3

4 4

2 4

4 0

3 9

3 8

3 7

3 6

3 5

3 4

3 3

3 2

2 8

2 7

2 6

2 5

2 4

2 3

2 2

2 1

3 1

3 0

2 9

4 3

2 5

4 2

2 6

4 1

2 7

V C C

P 0 . 0 ( A D 0 )

P 0 . 1 ( A D 1 )

P 0 . 2 ( A D 2 )

P 0 . 3 ( A D 3 )

P 0 . 4 ( A D 4 )

P 0 . 5 ( A D 5 )

P 0 . 6 ( A D 6 )

P 0 . 7 ( A D 7 )

E A / V P P

A L E / P R O G

P S E N

P 2 . 7 ( A 1 5 )

P 2 . 6 ( A 1 4 )

P 2 . 5 ( A 1 3 )

P 2 . 4 ( A 1 2 )

P 2 . 3 ( A 1 1 )

P 2 . 0 ( A 8 )

P 2 . 2 ( A 1 0 )

P 2 . 1 ( A 9 )

(continued)

4 0

2 8

3 9

3 6

3 5

3 4

3 3

3 2

3 1

3 0

2 9

P 0 . 4 ( A D 4 )

P 0 . 5 ( A D 5 )

P 0 . 6 ( A D 6 )

P 0 . 7 ( A D 7 )

E A / V P P

N C

A L E / P R O G

P S E N

P 2 . 7 ( A 1 5 )

P 2 . 6 ( A 1 4 )

P 2 . 5 ( A 1 3 )

8-Bit

Microcontroller

with 4K Bytes

QuickFlash

AT87F51

Not Recommended

for New Designs.

Use AT89S51.

Rev. 1012A–02/98

™

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