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SE9 数据表(PDF) 13 Page - Microchip Technology |
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SE9 数据表(HTML) 13 Page - Microchip Technology |
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13 / 478 page  2010-2012 Microchip Technology Inc. DS41414D-page 13 PIC16(L)F1946/47 TABLE 1-2: PIC16(L)F1946/47 PINOUT DESCRIPTION Name Function Input Type Output Type Description RA0/AN0/CPS0/SEG33 RA0 TTL CMOS General purpose I/O. AN0 AN — A/D Channel input. CPS0 AN — Capacitive sensing input 0. SEG33 — AN LCD Analog output. RA1/AN1/CPS1/SEG18 RA1 TTL CMOS General purpose I/O. AN1 AN — A/D Channel input. CPS1 AN — Capacitive sensing input. SEG18 — AN LCD Analog output. RA2/AN2/VREF-/CPS2/SEG34 RA2 TTL CMOS General purpose I/O. AN2 AN — A/D Channel input. VREF- AN — A/D Negative Voltage Reference input. CPS2 AN — Capacitive sensing input. SEG34 — AN LCD Analog output. RA3/AN3/VREF+/CPS3/SEG35 RA3 TTL CMOS General purpose I/O. AN3 AN — A/D Channel input. VREF+ AN — A/D Voltage Reference input. CPS3 AN — Capacitive sensing input. SEG35 — AN LCD Analog output. RA4/T0CKI/SEG14 RA4 TTL CMOS General purpose I/O. T0CKI ST — Timer0 clock input. SEG14 — AN LCD Analog output. RA5/AN4/CPS4/SEG15 RA5 TTL CMOS General purpose I/O. AN4 AN — A/D Channel input. CPS4 AN — Capacitive sensing input. SEG5 — AN LCD Analog output. RA6/OSC2/CLKOUT/SEG36 RA6 TTL CMOS General purpose I/O. OSC2 — XTAL Crystal/Resonator (LP, XT, HS modes). CLKOUT — CMOS FOSC/4 output. SEG36 — AN LCD Analog output. RA7/OSC1/CLKIN/SEG37 RA7 TTL CMOS General purpose I/O. OSC1 XTAL — Crystal/Resonator (LP, XT, HS modes). CLKIN CMOS — External clock input (EC mode). SEG37 — AN LCD Analog output. RB0/INT/SRI/FLT0/SEG30 RB0 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up. INT ST — External interrupt. SRI — ST SR Latch input. FLT0 ST — ECCP Auto-shutdown Fault input. SEG30 — AN LCD analog output. RB1/SEG8 RB1 TTL CMOS General purpose I/O. Individually controlled interrupt-on-change. Individually enabled pull-up. SEG8 — AN LCD Analog 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 I2C™ = Schmitt Trigger input with I2C HV = High Voltage XTAL = Crystal levels Note 1: Pin function is selectable via the APFCON register. |
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