87C51 datasheet(21/22 Pages) PHILIPS

Part #	87C51

Description	CMOS single-chip 8-bit microcontrollers

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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Philips Semiconductors

Product specification

80C31/80C51/87C51

CMOS single-chip 8-bit microcontrollers

1996 Aug 16

3-23

A0–A7

1

4–6MHz

+5V

PGM DATA

+12.75V

25 100

µs PULSES TO GROUND

0

1

0

A8–A11

P1

RST

P3.6

P3.7

XTAL2

XTAL1

VSS

VCC

P0

EA/VPP

ALE/PROG

PSEN

P2.7

P2.6

P2.0–P2.3

87C51

SU00017

Figure 13. Programming Configuration

ALE/PROG:

1

0

1

0

25 PULSES

100

µs+10

10

µs MIN

SU00018

Figure 14. PROG Waveform

A0–A7

1

4–6MHz

+5V

PGM DATA

1

0

0 ENABLE

0

A8–A11

P1

RST

P3.6

P3.7

XTAL2

XTAL1

VSS

VCC

P0

EA/VPP

ALE/PROG

PSEN

P2.7

P2.6

P2.0–P2.3

87C51

SU00019

Figure 15. Program Verification

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87C51 Datasheet(PDF) 21 Page - NXP Semiconductors

87C51 Datasheet(HTML) 21 Page - NXP Semiconductors

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