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PIC12F635-I/ST Datasheet(PDF) 14 Page - Microchip Technology |
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PIC12F635-I/ST Datasheet(HTML) 14 Page - Microchip Technology |
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14 / 234 page  PIC12F635/PIC16F636/639 DS41232D-page 12 © 2007 Microchip Technology Inc. TABLE 1-1: PIC12F635 PINOUT DESCRIPTIONS Name Function Input Type Output Type Description GP0/C1IN+/ICSPDAT/ULPWU GP0 TTL — General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up/pull-down. Selectable Ultra Low-Power Wake-up pin. C1IN+ AN — Comparator 1 input – positive. ICSPDAT TTL CMOS Serial programming data I/O. ULPWU AN — Ultra Low-Power Wake-up input. GP1/C1IN-/ICSPCLK GP1 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up/pull-down. C1IN- AN — Comparator 1 input – negative. ICSPCLK ST — Serial programming clock. GP2/T0CKI/INT/C1OUT GP2 ST CMOS General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up/pull-down. T0CKI ST — External clock for Timer0. INT ST — External interrupt. C1OUT — CMOS Comparator 1 output. GP3/MCLR/VPP GP3 TTL — General purpose input. Individually controlled interrupt-on-change. MCLR ST — Master Clear Reset. Pull-up enabled when configured as MCLR. VPP HV — Programming voltage. GP4/T1G/OSC2/CLKOUT GP4 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up/pull-down. T1G ST — Timer1 gate. OSC2 — XTAL XTAL connection. CLKOUT — CMOS TOSC/4 reference clock. GP5/T1CKI/OSC1/CLKIN GP5 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up/pull-down. T1CKI ST — Timer1 clock. OSC1 XTAL — XTAL connection. CLKIN ST — TOSC reference clock. VDD VDD D — Power supply for microcontroller. VSS VSS D — Ground reference for microcontroller. Legend: AN = Analog input or output CMOS = CMOS compatible input or output D = Direct HV = High Voltage ST = Schmitt Trigger input with CMOS levels TTL = TTL compatible input XTAL = Crystal |
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