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87C552 Datasheet(PDF) 19 Page - NXP Semiconductors |
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87C552 Datasheet(HTML) 19 Page - NXP Semiconductors |
19 / 24 page ![]() Philips Semiconductors Product specification 87C552 80C51 8-bit microcontroller 8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O 1998 May 01 19 A0-A7 1 1 1 4-6MHz +5V PGM DATA +12.75V 25 100 µs PULSES TO GROUND 0 1 0 A8-A12 P1 RST P3.6 P3.7 XTAL2 XTAL1 VSS VDD P0 EA/VPP ALE/PROG PSEN P2.7 P2.6 P2.0-P2.4 87C552 SU00222 Figure 15. Programming Configuration ALE/PROG: ALE/PROG: 1 0 1 0 25 PULSES 100 µs+10 10 µs MIN SU00018 Figure 16. PROG Waveform A0-A7 1 1 1 4-6MHz +5V PGM DATA 1 1 0 0 ENABLE 0 A8-A12 P1 RST P3.6 P3.7 XTAL2 XTAL1 VSS VDD P0 EA/VPP ALE/PROG PSEN P2.7 P2.6 P2.0-P2.4 87C552 SU00223 Figure 17. Program Verification |
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