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PIC16F505 数据表(PDF) 13 Page - Microchip Technology |
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PIC16F505 数据表(HTML) 13 Page - Microchip Technology |
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13 / 98 page  2004 Microchip Technology Inc. Preliminary DS41236A-page 11 PIC12F508/509/16F505 TABLE 3-2: PIC12F508/509 PINOUT DESCRIPTION Name Function Input Type Output Type Description GP0/ICSPDAT GP0 TTL CMOS Bidirectional I/O pin. Can be software programmed for internal weak pull-up and wake-up from Sleep on pin change. ICSPDAT ST CMOS In-Circuit Serial Programming™ data pin. GP1\ICSPCLK GP1 TTL CMOS Bidirectional I/O pin. Can be software programmed for internal weak pull-up and wake-up from Sleep on pin change. ICSPCLK ST CMOS In-Circuit Serial Programming clock pin. GP2/T0CKI GP2 TTL CMOS Bidirectional I/O pin. T0CKI ST — Clock input to TMR0. GP3/MCLR/VPP GP3 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. GP4/OSC2 GP4 TTL CMOS Bidirectional I/O pin. OSC2 — XTAL Oscillator crystal output. Connections to crystal or resonator in Crystal Oscillator mode (XT and LP modes only, GPIO in other modes). GP5/OSC1/CLKIN GP5 TTL CMOS Bidirectional I/O pin. OSC1 XTAL — Oscillator crystal input. CLKIN ST — External clock source input . 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 |
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