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87C749 Datasheet(PDF) 4 Page - NXP Semiconductors |
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87C749 Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 22 page Philips Semiconductors Preliminary specification 83C749/87C749 80C51 8-bit microcontroller family 2K/64 OTP/ROM, 5 channel 8-bit A/D, PWM, low pin count 1998 Apr 23 4 PIN CONFIGURATION 1 2 3 4 5 6 7 8 9 10 11 12 14 13 15 16 17 18 19 20 21 22 23 24 P3.4/A4 P3.3/A3 P3.2/A2/A10 P3.1/A1/A9 P3.0/A0/A8 P0.2/VPP RST X2 X1 VSS P0.0/ASEL P1.4/ADC4/D4 AVSS AVCC P1.5/INT0/D5 P1.6/INT1/D6 P1.7/T0/D7 P0.3 P0.4/PWM OUT P3.7/A7 P3.6/A6 P3.5/A5 VCC PLASTIC DUAL IN-LINE PACKAGE AND SHRINK SMALL OUTLINE PACKAGE PLASTIC LEADED CHIP CARRIER 41 26 5 11 25 19 12 18 P0.1/OE–PGM 25 26 27 28 P1.0/ADC0/D0 P1.1/ADC1/D1 P1.3/ADC3/D3 P1.2/ADC2/D2 Pin Function 1 P3.4/A4 2 P3.3/A3 3 P3.2/A2/A10 4 P3.1/A1/A9 5 P3.0/A0/A8 6 P0.2/VPP 7 P0.1/OE-PGM 8 P0.0/ASEL 9 RST 10 X2 11 X1 12 VSS 13 P1.0/ADC0/D0 14 P1.1/ADC1/D1 Pin Function 15 P1.2/ADC2/D2 16 P1.3/ADC3/D3 17 P1.4/ADC4/D4 18 AVSS 19 AVCC 20 P1.5/INT0/D5 21 P1.6/INT1/D6 22 P1.7/T0/D7 23 P0.3 24 P0.4/PWM OUT 25 P3.7/A7 26 P3.6/A6 27 P3.5/A5 28 VCC SU00304 |
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