
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+/VREF-/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.
VREF-
AN
—
A/D Negative Voltage Reference input.
DACOUT
—
AN
Voltage Reference output.
RA3/AN3/CPS3/C12IN3-/C1IN+/
VREF+/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.
VREF+
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.
VPP
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 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:
Functions are only available on the PIC16(L)F1827.
3:
Default function location.