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16F1825 数据表(PDF) 15 Page - Microchip Technology |
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16F1825 数据表(HTML) 15 Page - Microchip Technology |
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15 / 420 page  2010 Microchip Technology Inc. Preliminary DS41440A-page 15 PIC16F/LF1825/1829 TABLE 1-2: PIC16F/LF1825 PINOUT DESCRIPTION Name Function Input Type Output Type Description RA0/AN0/CPS0/C1IN+/VREF-/ DACOUT/TX(1)/CK(1)/ ICSPDAT/ICDDAT RA0 TTL CMOS General purpose I/O. AN0 AN — A/D Channel 0 input. CPS0 AN — Capacitive sensing input 0. C1IN+ AN — Comparator C1 positive input. VREF- AN — A/D and DAC Negative Voltage Reference input. DACOUT — AN Digital-to-Analog Converter output. TX — CMOS USART asynchronous transmit. CK ST CMOS USART synchronous clock. ICSPDAT ST CMOS ICSP™ Data I/O. ICDDAT ST CMOS In-Circuit Data I/O. RA1/AN1/CPS1/C12IN0-/VREF+/ SRI/RX(1)/DT(1)/ICSPCLK/ ICDCLK RA1 TTL CMOS General purpose I/O. AN1 AN — A/D Channel 1 input. CPS1 AN — Capacitive sensing input 1. C12IN0- AN — Comparator C1 or C2 negative input. VREF+ AN — A/D and DAC Positive Voltage Reference input. SRI ST — SR Latch input. RX ST — USART asynchronous input. DT ST CMOS USART synchronous data. ICSPCLK ST — Serial Programming Clock. ICDCLK ST — In-Circuit Debug Clock. RA2/AN2/CPS2/T0CKI/INT/ C1OUT/SRQ/CCP3/FLT0 RA2 ST CMOS General purpose I/O. AN2 AN — A/D Channel 2 input. CPS2 AN — Capacitive sensing input 2. T0CKI ST — Timer0 clock input. INT ST — External interrupt. C1OUT — CMOS Comparator C1 output. SRQ — CMOS SR Latch non-inverting output. CCP3 ST CMOS Capture/Compare/PWM 3. FLT0 ST — ECCP Auto-Shutdown Fault input. RA3/SS1(1)/T1G(1)/VPP/MCLR RA3 TTL — General purpose input. SS1 ST — Slave Select input. T1G ST — Timer1 Gate input. VPP HV — Programming voltage. MCLR ST — Master Clear with internal pull-up. 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 functions can be moved using the APFCON0 or APFCON1 register. 2: Default function location. |
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