Microchip Technology AC244045 Data Sheet
2010-2012 Microchip Technology Inc.
DS41440C-page 13
PIC16(L)F1825/1829
TABLE 1-2:
PIC16(L)F1825 PINOUT DESCRIPTION
Name
Function
Input
Type
Output
Type
Description
RA0/AN0/CPS0/C1IN+/V
REF
-/
DACOUT/TX
(1)
/CK
(1)
/
ICSPDAT/ICDDAT
RA0
TTL
CMOS General purpose I/O.
AN0
AN
—
A/D Channel 0 input.
CPS0
AN
—
Capacitive sensing input 0.
C1IN+
AN
—
Comparator C1 positive input.
V
REF
-
AN
—
A/D and DAC Negative Voltage Reference input.
DACOUT
—
AN
Digital-to-Analog Converter output.
TX
—
CMOS USART asynchronous transmit.
CK
ST
CMOS USART synchronous clock.
ICSPDAT
ST
CMOS ICSP™ Data I/O.
ICDDAT
ST
CMOS In-Circuit Data I/O.
RA1/AN1/CPS1/C12IN0-/V
REF
+/
SRI/RX
(1)
/DT
(1)
/ICSPCLK/
ICDCLK
RA1
TTL
CMOS General purpose I/O.
AN1
AN
—
A/D Channel 1 input.
CPS1
AN
—
Capacitive sensing input 1.
C12IN0-
AN
—
Comparator C1 or C2 negative input.
V
REF
+
AN
—
A/D and DAC Positive Voltage Reference input.
SRI
ST
—
SR Latch input.
RX
ST
—
USART asynchronous input.
DT
ST
CMOS USART synchronous data.
ICSPCLK
ST
—
Serial Programming Clock.
ICDCLK
ST
—
In-Circuit Debug Clock.
RA2/AN2/CPS2/T0CKI/INT/
C1OUT/SRQ/CCP3/FLT0
C1OUT/SRQ/CCP3/FLT0
RA2
ST
CMOS General purpose I/O.
AN2
AN
—
A/D Channel 2 input.
CPS2
AN
—
Capacitive sensing input 2.
T0CKI
ST
—
Timer0 clock input.
INT
ST
—
External interrupt.
C1OUT
—
CMOS Comparator C1 output.
SRQ
—
CMOS SR Latch non-inverting output.
CCP3
ST
CMOS Capture/Compare/PWM3.
FLT0
ST
—
ECCP Auto-Shutdown Fault input.
RA3/SS1
(1)
/T1G
(1)
/V
PP
/MCLR
RA3
TTL
—
General purpose input.
SS1
ST
—
Slave Select input.
T1G
ST
—
Timer1 Gate input.
V
PP
HV
—
Programming voltage.
MCLR
ST
—
Master Clear with internal pull-up.
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: Default function location.