AT87F51 查看數據表（PDF） - Atmel Corporation

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AT87F51

8-Bit Microcontroller with 4K Bytes QuickFlash™

Atmel Corporation 

QuickFlash Programming and Verification Waveforms

P1.0 - P1.7

P2.0 - P2.3

PROGRAMMING

ADDRESS

VERIFICATION

ADDRESS

tAVQV

PORT 0

tAVGL

DATA IN

tDVGL tGHDX

tGHAX

DATA OUT

ALE/PROG

EA/VPP

tSHGL

VPP

tGLGH

tGHSL

LOGIC 1

LOGIC 0

P2.7

(ENABLE)

P3.4

(RDY/BSY)

tEHSH

tGHBL

tELQV

BUSY

tWC

READY

tEHQZ

8

Not

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