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PIC16F526 Datasheet(PDF) 13 Page - Microchip Technology |
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PIC16F526 Datasheet(HTML) 13 Page - Microchip Technology |
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13 / 122 page  2010 Microchip Technology Inc. DS41326D-page 13 PIC16F526 TABLE 3-2: PIC16F526 PINOUT DESCRIPTION Name Function Input Type Output Type Description RB0//C1IN+/AN0/ ICSPDAT RB0 TTL CMOS Bidirectional I/O pin. Can be software programmed for internal weak pull-up and wake-up from Sleep on pin change. C1IN+ AN — Comparator 1 input. AN0 AN — ADC channel input. ICSPDAT ST CMOS ICSP™ mode Schmitt Trigger. RB1/C1IN-/AN1/ ICSPCLK RB1 TTL CMOS Bidirectional I/O pin. Can be software programmed for internal weak pull-up and wake-up from Sleep on pin change. C1IN- AN — Comparator 1 input. AN1 AN — ADC channel input. ICSPCLK ST CMOS ICSP mode Schmitt Trigger. RB2/C1OUT/AN2 RB2 TTL CMOS Bidirectional I/O pin. C1OUT — CMOS Comparator 1 output. AN2 AN — ADC channel input. RB3/MCLR/VPP RB3 TTL — Input pin. Can be software programmed for internal weak pull-up and wake-up from Sleep on pin change. MCLR ST — Master Clear (Reset). When configured as MCLR, this pin is an active-low Reset to the device. Voltage on MCLR/VPP must not exceed VDD during normal device operation or the device will enter Programming mode. Weak pull-up always on if configured as MCLR. VPP HV — Programming voltage input. RB4/OSC2/CLKOUT RB4 TTL CMOS Bidirectional I/O pin. Can be software programmed for internal weak pull-up and wake-up from Sleep on pin change. OSC2 — XTAL Oscillator crystal output. Connections to crystal or resonator in Crystal Oscillator mode (XT, HS and LP modes only, PORTB in other modes). CLKOUT — CMOS EXTRC/INTRC CLKOUT pin (FOSC/4). RB5/OSC1/CLKIN RB5 TTL CMOS Bidirectional I/O pin. OSC1 XTAL — Oscillator crystal input. CLKIN ST — External clock source input. RC0/C2IN+ RC0 TTL CMOS Bidirectional I/O port. C2IN+ AN — Comparator 2 input. RC1/C2IN- RC1 TTL CMOS Bidirectional I/O port. C2IN- AN — Comparator 2 input. RC2/CVREF RC2 TTL CMOS Bidirectional I/O port. CVREF — AN Programmable Voltage Reference output. RC3 RC3 TTL CMOS Bidirectional I/O port. RC4/C2OUT RC4 TTL CMOS Bidirectional I/O port. C2OUT — CMOS Comparator 2 output. RC5/T0CKI RC5 TTL CMOS Bidirectional I/O port. T0CKI ST — Timer0 Schmitt Trigger input pin. VDD VDD — P Positive supply for logic and I/O pins. VSS VSS — P Ground reference for logic and I/O pins. Legend: I = Input, O = Output, I/O = Input/Output, P = Power, — = Not used, TTL = TTL input, ST = Schmitt Trigger input, HV = High Voltage |
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