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PIC16F627A датащи(PDF) 14 Page - Microchip Technology |
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PIC16F627A датащи(HTML) 14 Page - Microchip Technology |
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14 / 180 page ![]() PIC16F627A/628A/648A DS40044D-page 12 © 2005 Microchip Technology Inc. RB4/PGM RB4 TTL CMOS Bidirectional I/O port. Interrupt-on-pin change. Can be software programmed for internal weak pull-up. PGM ST — Low-voltage programming input pin. When low-voltage programming is enabled, the interrupt-on-pin change and weak pull-up resistor are disabled. RB5 RB5 TTL CMOS Bidirectional I/O port. Interrupt-on-pin change. Can be software programmed for internal weak pull-up. RB6/T1OSO/T1CKI/PGC RB6 TTL CMOS Bidirectional I/O port. Interrupt-on-pin change. Can be software programmed for internal weak pull-up. T1OSO — XTAL Timer1 oscillator output T1CKI ST — Timer1 clock input PGC ST — ICSP™ programming clock RB7/T1OSI/PGD RB7 TTL CMOS Bidirectional I/O port. Interrupt-on-pin change. Can be software programmed for internal weak pull-up. T1OSI XTAL — Timer1 oscillator input PGD ST CMOS ICSP data I/O VSS VSS Power — Ground reference for logic and I/O pins VDD VDD Power — Positive supply for logic and I/O pins TABLE 3-2: PIC16F627A/628A/648A PINOUT DESCRIPTION (CONTINUED) Name Function Input Type Output Type Description Legend: O = Output CMOS = CMOS Output P = Power — = Not used I = Input ST = Schmitt Trigger Input TTL = TTL Input OD = Open Drain Output AN = Analog |
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