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DM163006 датащи(PDF) 12 Page - Microchip Technology |
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DM163006 датащи(HTML) 12 Page - Microchip Technology |
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12 / 320 page ![]() PIC18C601/801 DS39541A-page 12 Advance Information 2001 Microchip Technology Inc. TABLE 1-2: PINOUT I/O DESCRIPTIONS Pin Name Pin Number Pin Type Buffer Type PIC18C601 PIC18C801 TQFP PLCC TQFP PLCC Description MCLR/VPP MCLR VPP 716920 I P ST Master clear (RESET) input. This pin is an active low RESET to the device. Programming voltage input. NC — 1, 18, 35, 52 — 1, 22, 43, 64 —— These pins should be left unconnected. OSC1/CLKI OSC1 CLKI 39 50 49 62 I I CMOS/ST CMOS Oscillator crystal input or external clock source input. ST buffer when in RC mode. Otherwise CMOS. External clock source input. Always associated with pin function OSC1 (see OSC1/CLKI, OSC2/CLKO pins). OSC2/CLKO OSC2 CLKO 40 51 50 63 O O — — Oscillator crystal output. Connects to crystal or resonator in Crystal Oscillator mode. In RC mode, OSC2 pin outputs CLKO, which has 1/4 the frequency of OSC1 and denotes the instruction cycle rate. Legend: TTL = TTL compatible input CMOS = CMOS compatible input or output ST = Schmitt Trigger input with CMOS levels Analog = Analog input I = Input O = Output P = Power OD = Open Drain (no P diode to VDD) |
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