Datasheet

 2011 Microchip Technology Inc. DS41391D-page 11
PIC16(L)F1826/27
TABLE 1-2: PIC16(L)F1826/27 PINOUT DESCRIPTION
Name Function
Input
Type
Output
Type
Description
RA0/AN0/CPS0/C12IN0-/
SDO2
(2)
RA0 TTL CMOS General purpose I/O.
AN0 AN — A/D Channel 0 input.
CPS0 AN — Capacitive sensing input 0.
C12IN0- AN — Comparator C1 or C2 negative input.
SDO2 — CMOS SPI data output.
RA1/AN1/CPS1/C12IN1-/SS2
(2)
RA1 TTL CMOS General purpose I/O.
AN1 AN — A/D Channel 1 input.
CPS1 AN — Capacitive sensing input 1.
C12IN1- AN — Comparator C1 or C2 negative input.
SS2
ST — Slave Select input 2.
RA2/AN2/CPS2/C12IN2-/
C12IN+/V
REF-/DACOUT
RA2 TTL CMOS General purpose I/O.
AN2 AN — A/D Channel 2 input.
CPS2 AN — Capacitive sensing input 2.
C12IN2- AN — Comparator C1 or C2 negative input.
C12IN+ AN — Comparator C1 or C2 positive input.
V
REF- AN — A/D Negative Voltage Reference input.
DACOUT — AN Voltage Reference output.
RA3/AN3/CPS3/C12IN3-/C1IN+/
V
REF+/C1OUT/CCP3
(2)
/SRQ
RA3 TTL CMOS General purpose I/O.
AN3 AN — A/D Channel 3 input.
CPS3 AN — Capacitive sensing input 3.
C12IN3- AN — Comparator C1 or C2 negative input.
C1IN+ AN — Comparator C1 positive input.
V
REF+ AN — A/D Voltage Reference input.
C1OUT — CMOS Comparator C1 output.
CCP3 ST CMOS Capture/Compare/PWM3.
SRQ — CMOS SR latch non-inverting output.
RA4/AN4/CPS4/C2OUT/T0CKI/
CCP4
(2)
/SRNQ
RA4 TTL CMOS General purpose I/O.
AN4 AN — A/D Channel 4 input.
CPS4 AN — Capacitive sensing input 4.
C2OUT — CMOS Comparator C2 output.
T0CKI ST — Timer0 clock input.
CCP4 ST CMOS Capture/Compare/PWM4.
SRNQ — CMOS SR latch inverting output.
RA5/MCLR
/VPP/SS1
(1,2)
RA5 TTL CMOS General purpose I/O.
MCLR
ST — Master Clear with internal pull-up.
V
PP HV — Programming voltage.
SS1
ST — Slave Select input 1.
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: Pin functions can be moved using the APFCON0 or APFCON1 register.
2: Functions are only available on the PIC16(L)F1827.
3: Default function location.