PIC16F1825-I-ST Datasheet, PDF (18/418 Pages) Microchip Technology – 14/20-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC16(L)F1825/1829
TABLE 1-3: PIC16(L)F1829 PINOUT DESCRIPTION
Name
Function
Input Output
Type Type
Description
RA0/AN0/CPS0/C1IN+/VREF-/
DACOUT/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.
VREF-
AN
— A/D and DAC Negative Voltage Reference input.
DACOUT —
AN Digital-to-Analog Converter output.
ICSPDAT ST CMOS ICSP™ Data I/O.
ICDDAT ST CMOS In-Circuit Data I/O.
RA1/AN1/CPS1/C12IN0-/VREF+/ RA1
SRI/ICSPCLK/ICDCLK
AN1
TTL CMOS General purpose I/O.
AN
— A/D Channel 1 input.
CPS1
AN
— Capacitive sensing input 1.
C12IN0- AN
— Comparator C1 or C2 negative input.
VREF+
AN
— A/D and DAC Positive Voltage Reference input.
SRI
ST
— SR Latch input.
ICSPCLK ST
— Serial Programming Clock.
ICDCLK ST
— In-Circuit Debug Clock.
RA2/AN2/CPS2/T0CKI/INT/
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/PWM 3.
FLT0
ST
— ECCP Auto-Shutdown Fault input.
RA3/T1G⁽¹⁾/VPP/MCLR
RA3
TTL
— General purpose input.
T1G
ST
— Timer1 Gate input.
VPP
HV
— Programming voltage.
MCLR
ST
— Master Clear with internal pull-up.
RA4/AN3/CPS3/OSC2/
CLKOUT/T1OSO/CLKR/SS2⁽¹⁾/
P2B⁽¹⁾/T1G^(1,2)
RA4
AN3
CPS3
TTL CMOS General purpose I/O.
AN
— A/D Channel 3 input.
AN
— Capacitive sensing input 3.
OSC2
— CMOS Comparator C2 output.
CLKOUT — CMOS FOSC/4 output.
T1OSO XTAL XTAL Timer1 oscillator connection.
CLKR
— CMOS Clock Reference output.
SS2
ST
— Slave Select input 2.
P2B
— CMOS PWM output.
T1G
ST
— Timer1 Gate input.
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: Default function location.
DS41440B-page 18
Preliminary
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