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PIC18F2525 Datasheet(PDF) 94 Page - Microchip Technology |
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PIC18F2525 Datasheet(HTML) 94 Page - Microchip Technology |
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94 / 412 page  PIC18F2525/2620/4525/4620 DS39626E-page 92 © 2008 Microchip Technology Inc. TABLE 9-1: PORTA I/O SUMMARY Pin Function TRIS Setting I/O I/O Type Description RA0/AN0 RA0 0 O DIG LATA<0> data output; not affected by analog input. 1 I TTL PORTA<0> data input; disabled when analog input enabled. AN0 1 I ANA A/D input channel 0 and Comparator C1- input. Default input configuration on POR; does not affect digital output. RA1/AN1 RA1 0 O DIG LATA<1> data output; not affected by analog input. 1 I TTL PORTA<1> data input; disabled when analog input enabled. AN1 1 I ANA A/D input channel 1 and Comparator C2- input. Default input configuration on POR; does not affect digital output. RA2/AN2/ VREF-/CVREF RA2 0 O DIG LATA<2> data output; not affected by analog input. Disabled when CVREF output enabled. 1 I TTL PORTA<2> data input. Disabled when analog functions enabled; disabled when CVREF output enabled. AN2 1 I ANA A/D input channel 2 and Comparator C2+ input. Default input configuration on POR; not affected by analog output. VREF- 1 I ANA A/D and comparator voltage reference low input. CVREF x O ANA Comparator voltage reference output. Enabling this feature disables digital I/O. RA3/AN3/VREF+RA3 0 O DIG LATA<3> data output; not affected by analog input. 1 I TTL PORTA<3> data input; disabled when analog input enabled. AN3 1 I ANA A/D input channel 3 and Comparator C1+ input. Default input configuration on POR. VREF+ 1 I ANA A/D and comparator voltage reference high input. RA4/T0CKI/C1OUT RA4 0 O DIG LATA<4> data output. 1 I ST PORTA<4> data input; default configuration on POR. T0CKI 1 I ST Timer0 clock input. C1OUT 0 O DIG Comparator 1 output; takes priority over port data. RA5/AN4/SS/ HLVDIN/C2OUT RA5 0 O DIG LATA<5> data output; not affected by analog input. 1 I TTL PORTA<5> data input; disabled when analog input enabled. AN4 1 I ANA A/D input channel 4. Default configuration on POR. SS 1 I TTL Slave Select input for MSSP module. HLVDIN 1 I ANA High/Low-Voltage Detect external trip point input. C2OUT 0 O DIG Comparator 2 output; takes priority over port data. OSC2/CLKO/RA6 RA6 0 O DIG LATA<6> data output. Enabled in RCIO, INTIO2 and ECIO modes only. 1 I TTL PORTA<6> data input. Enabled in RCIO, INTIO2 and ECIO modes only. OSC2 x O ANA Main oscillator feedback output connection (XT, HS and LP modes). CLKO x O DIG System cycle clock output (FOSC/4) in RC, INTIO1 and EC Oscillator modes. OSC1/CLKI/RA7 RA7 0 O DIG LATA<7> data output. Disabled in external oscillator modes. 1 I TTL PORTA<7> data input. Disabled in external oscillator modes. OSC1 x I ANA Main oscillator input connection. CLKI x I ANA Main clock input connection. Legend: DIG = Digital level output; TTL = TTL input buffer; ST = Schmitt Trigger input buffer; ANA = Analog level input/output; x = Don’t care (TRIS bit does not affect port direction or is overridden for this option). |
Similar Part No. - PIC18F2525_08 |
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Similar Description - PIC18F2525_08 |
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