AT87F51RC-12AC データシートの表示（PDF） - Atmel Corporation

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AT87F51RC-12AC

8-bit Microcontroller with 32K Bytes QuickFlash™

Atmel Corporation 

Features

• Compatible with MCS-51™ Products

• 32K Bytes of One-time Programmable QuickFlash™ Memory

• 4V to 6V Operating Range

• Fully Static Operation: 0 Hz to 24 MHz

• Three-level Program Memory Lock

• 512 x 8-bit Internal RAM

• 32 Programmable I/O Lines

• Three 16-bit Timer/Counters

• Eight Interrupt Sources

• Programmable Serial Channel

• Low-power Idle and Power-down Modes

• Interrupt Recovery from Power-down

• Hardware Watchdog Timer

• Dual Data Pointer

• Power-off Flag

Description

The AT87F51RC is a low-power, high-performance CMOS 8-bit microcomputer with

32K bytes of QuickFlash one-time programmable (OTP) read only memory and 512

bytes of RAM. The device is manufactured using Atmel’s high-density nonvolatile

memory technology and is compatible with the industry-standard 80C51 and 80C52

instruction set and pinout. The on-chip QuickFlash allows the program memory to be

Pin Configurations

PDIP

TQFP

P1.5 1

P1.6 2

P1.7 3

RST 4

(RXD) P3.0 5

NC 6

(TXD) P3.1 7

(INT0) P3.2 8

(INT1) P3.3 9

(T0) P3.4 10

(T1) P3.5 11

33 P0.4 (AD4)

32 P0.5 (AD5)

31 P0.6 (AD6)

30 P0.7 (AD7)

29 EA/VPP

28 NC

27 ALE/PROG

26 PSEN

25 P2.7 (A15)

24 P2.6 (A14)

23 P2.5 (A13)

(T2) P1.0 1

(T2EX) P1.1 2

P1.2 3

P1.3 4

P1.4 5

P1.5 6

P1.6 7

P1.7 8

RST 9

(RXD) P3.0 10

(TXD) P3.1 11

(INT0) P3.2 12

(INT1) P3.3 13

(T0) P3.4 14

(T1) P3.5 15

(WR) P3.6 16

(RD) P3.7 17

XTAL2 18

XTAL1 19

GND 20

40 VCC

39 P0.0 (AD0)

38 P0.1 (AD1)

37 P0.2 (AD2)

36 P0.3 (AD3)

35 P0.4 (AD4)

34 P0.5 (AD5)

33 P0.6 (AD6)

32 P0.7 (AD7)

31 EA/VPP

30 ALE/PROG

29 PSEN

28 P2.7 (A15)

27 P2.6 (A14)

26 P2.5 (A13)

25 P2.4 (A12)

24 P2.3 (A11)

23 P2.2 (A10)

22 P2.1 (A9)

21 P2.0 (A8)

PLCC

8-bit

Microcontroller

with 32K Bytes

QuickFlash™

AT87F51RC

Preliminary

P1.5 7

P1.6 8

P1.7 9

RST 10

(RXD) P3.0 11

NC 12

(TXD) P3.1 13

(INT0) P3.2 14

(INT1) P3.3 15

(T0) P3.4 16

(T1) P3.5 17

39 P0.4 (AD4)

38 P0.5 (AD5)

37 P0.6 (AD6)

36 P0.7 (AD7)

35 EA/VPP

34 NC

33 ALE/PROG

32 PSEN

31 P2.7 (A15)

30 P2.6 (A14)

29 P2.5 (A13)

Rev. 1106C–02/00

1

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