Datasheet

 2011-2013 Microchip Technology Inc. DS41458C-page 11
PIC16(L)F1526/7
TABLE 1-2: PIC16(L)F1526/7 PINOUT DESCRIPTION
Name Function
Input
Type
Output
Type
Description
RA0/AN0 RA0 TTL CMOS General purpose I/O.
AN0 AN — ADC Channel 0 input.
RA1/AN1 RA1 TTL CMOS General purpose I/O.
AN1 AN — ADC Channel 1 input.
RA2/AN2 RA2 TTL CMOS General purpose I/O.
AN2 AN — ADC Channel 2 input.
RA3/AN3/V
REF+ RA3 TTL CMOS General purpose I/O.
AN3 AN — ADC Channel 3 input.
V
REF+ AN — ADC Positive Voltage Reference input.
RA4/T0CKI RA4 TTL CMOS General purpose I/O.
T0CKI ST — Timer0 clock input.
RA5/AN4/T3G RA5 TTL CMOS General purpose I/O.
AN4 AN — ADC Channel 4 input.
T3G ST — Timer3 gate input.
RA6/OSC2/CLKOUT RA6 TTL CMOS General purpose I/O.
OSC2 — XTAL Crystal/Resonator (LP, XT, HS modes).
CLKOUT — CMOS F
OSC/4 output.
RA7/OSC1/CLKIN RA7 TTL CMOS General purpose I/O.
OSC1 XTAL — Crystal/Resonator (LP, XT, HS modes).
CLKIN ST — External clock input (EC mode).
RB0/AN17/INT RB0 TTL CMOS General purpose I/O with IOC and WPU.
AN17 AN — ADC Channel 17 input.
INT ST — External interrupt.
RB1/AN18 RB1 TTL CMOS General purpose I/O with IOC and WPU.
AN18 AN — ADC Channel 18 input.
RB2/AN19 RB2 TTL CMOS General purpose I/O with IOC and WPU.
AN19 AN — ADC Channel 19 input.
RB3/AN20 RB3 TTL CMOS General purpose I/O with IOC and WPU.
AN20 AN — ADC Channel 20 input.
RB4/AN21/T3CKI
(1)
RB4 TTL CMOS General purpose I/O with IOC and WPU.
AN21 AN — ADC Channel 21 input.
T3CKI ST — Timer3 clock input.
RB5/AN22/T1G/T3CKI RB5 TTL CMOS General purpose I/O with IOC and WPU.
AN22 AN — ADC Channel 22 input.
T1G ST — Timer1 gate input.
T3CKI ST — Timer3 clock input.
RB6/ICSPCLK/ICDCLK RB6 TTL CMOS General purpose I/O with IOC and WPU.
ICSPCLK ST — Serial Programming Clock.
ICDCLK ST — In-Circuit Debug Clock.
RB7/ICSPDAT/ICDDAT RB7 TTL CMOS General purpose I/O with IOC and WPU.
ICSPDAT ST CMOS ICSP™ Data I/O.
ICDDAT ST CMOS In-Circuit Data I/O.
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 I
2
C™ = Schmitt Trigger input with I
2
C
HV = High Voltage XTAL = Crystal levels
Note 1: Alternate pin function selected with the APFCON (Register 12-1) register.
2: RC3, RC4, RD5 and RD6 read the I
2
C ST input when I
2
C mode is enabled.