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PIC16F882-I 数据表(PDF) 18 Page - Microchip Technology |
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PIC16F882-I 数据表(HTML) 18 Page - Microchip Technology |
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18 / 328 page  PIC16F882/883/884/886/887 DS41291F-page 16 © 2009 Microchip Technology Inc. TABLE 1-1: PIC16F882/883/886 PINOUT DESCRIPTION Name Function Input Type Output Type Description RA0/AN0/ULPWU/C12IN0- RA0 TTL CMOS General purpose I/O. AN0 AN — A/D Channel 0 input. ULPWU AN — Ultra Low-Power Wake-up input. C12IN0- AN — Comparator C1 or C2 negative input. RA1/AN1/C12IN1- RA1 TTL CMOS General purpose I/O. AN1 AN — A/D Channel 1 input. C12IN1- AN — Comparator C1 or C2 negative input. RA2/AN2/VREF-/CVREF/C2IN+ RA2 TTL CMOS General purpose I/O. AN2 AN — A/D Channel 2. VREF- AN — A/D Negative Voltage Reference input. CVREF — AN Comparator Voltage Reference output. C2IN+ AN — Comparator C2 positive input. RA3/AN3/VREF+/C1IN+ RA3 TTL — General purpose I/O. AN3 AN — A/D Channel 3. VREF+ AN — Programming voltage. C1IN+ AN — Comparator C1 positive input. RA4/T0CKI/C1OUT RA4 TTL CMOS General purpose I/O. T0CKI ST — Timer0 clock input. C1OUT — CMOS Comparator C1 output. RA5/AN4/SS/C2OUT RA5 TTL CMOS General purpose I/O. AN4 AN — A/D Channel 4. SS ST — Slave Select input. C2OUT — CMOS Comparator C2 output. RA6/OSC2/CLKOUT RA6 TTL CMOS General purpose I/O. OSC2 — XTAL Master Clear with internal pull-up. CLKOUT — CMOS FOSC/4 output. RA7/OSC1/CLKIN RA7 TTL CMOS General purpose I/O. OSC1 XTAL — Crystal/Resonator. CLKIN ST — External clock input/RC oscillator connection. RB0/AN12/INT RB0 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up. AN12 AN — A/D Channel 12. INT ST — External interrupt. RB1/AN10/P1C/C12IN3- RB1 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up. AN10 AN — A/D Channel 10. P1C — CMOS PWM output. C12IN3- AN — Comparator C1 or C2 negative input. RB2/AN8/P1B RB2 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up. AN8 AN — A/D Channel 8. P1B — CMOS PWM output. Legend: AN = Analog input or output CMOS = CMOS compatible input or output OD = Open Drain TTL = TTL compatible input ST = Schmitt Trigger input with CMOS levels HV = High Voltage XTAL = Crystal |
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