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PIC18F23K22-E/ML датащи(PDF) 134 Page - Microchip Technology |
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PIC18F23K22-E/ML датащи(HTML) 134 Page - Microchip Technology |
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134 / 496 page ![]() PIC18(L)F2X/4XK22 DS41412C-page 134 Preliminary 2010 Microchip Technology Inc. TABLE 10-1: PORTA I/O SUMMARY Pin Name Function TRIS Setting ANSEL Setting Pin Type Buffer Type Description RA0/C12IN0-/AN0 RA0 01 O DIG LATA<0> data output; not affected by analog input. 10 I TTL PORTA<0> data input; disabled when analog input enabled. C12IN0- 11 I AN Comparators C1 and C2 inverting input. AN0 11 I AN Analog input 0. RA1/C12IN1-/AN1 RA1 01 O DIG LATA<1> data output; not affected by analog input. 10 I TTL PORTA<1> data input; disabled when analog input enabled. C12IN1- 11 I AN Comparators C1 and C2 inverting input. AN1 11 I AN Analog input 1. RA2/C2IN+/AN2/ DACOUT/VREF- RA2 01 O DIG LATA<2> data output; not affected by analog input; disabled when DACOUT enabled. 10 I TTL PORTA<2> data input; disabled when analog input enabled; disabled when DACOUT enabled. C2IN+ 11 I AN Comparator C2 non-inverting input. AN2 11 I AN Analog output 2. DACOUT x1 O AN DAC Reference output. VREF- 11 I AN A/D reference voltage (low) input. RA3/C1IN+/AN3/ VREF+ RA3 01 O DIG LATA<3> data output; not affected by analog input. 10 I TTL PORTA<3> data input; disabled when analog input enabled. C1IN+ 11 I AN Comparator C1 non-inverting input. AN3 11 I AN Analog input 3. VREF+ 11 I AN A/D reference voltage (high) input. RA4/CCP5/ C1OUT/SRQ/ T0CKI RA4 01 O DIG LATA<4> data output. 10 I TTL PORTA<4> data input; default configuration on POR. CCP5 01 O DIG CCP5 Compare output/PWM output, takes priority over RA4 output. 10 I ST Capture 5 input/Compare 5 output/ PWM 5 output. C1OUT 01 O DIG Comparator C1 output. SRQ 01 O DIG SR Latch Q output; take priority over CCP 5 output. T0CKI 10 I ST Timer0 external clock input. RA5/C2OUT/ SRNQ/SS1/ HLVDIN/AN4 RA5 01 O DIG LATA<5> data output; not affected by analog input. 10 I TTL PORTA<5> data input; disabled when analog input enabled. C2OUT 01 O DIG Comparator C2 output. SRNQ 1 O DIG SR Latch Q output. SS1 10 I TTL SPI slave select input (MSSP1). HLVDIN 11 I AN High/Low-Voltage Detect input. AN4 11 I AN A/D input 4. Legend: AN = Analog input or output; TTL = TTL compatible input; HV = High Voltage; OD = Open Drain; XTAL = Crystal; CMOS = CMOS compatible input or output; ST = Schmitt Trigger input with CMOS levels; I2CTM = Schmitt Trigger input with I2C. |
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