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AT89C55WD Datasheet(PDF) 26 Page - ATMEL Corporation |
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AT89C55WD Datasheet(HTML) 26 Page - ATMEL Corporation |
26 / 37 page 26 AT89C55WD 1921B–MICRO–09/02 Flash Programming and Verification Waveforms Lock Bit Programming t GLGH t GHSL t AVGL t SHGL t DVGL t GHAX t AVQV t GHDX t EHSH t ELQV t WC BUSY READY t GHBL t EHQZ P1.0 - P1.7 P2.0 - P2.5 P3.4 ALE/PROG PORT 0 LOGIC 1 LOGIC 0 EA/V PP V PP P2.7 (ENABLE) P3.0 (RDY/BSY) PROGRAMMING ADDRESS VERIFICATION ADDRESS DATA IN DATA OUT Test Conditions Setup Lockbit_1, 2 or 3 Data Setup ALE/PROG VCC = 6.5V VCC = 4.5V to 5.5V Wait 10 ms to reload new lock bit status 100 µs |
Similar Part No. - AT89C55WD_02 |
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Similar Description - AT89C55WD_02 |
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