PIC16F/LF1946/47
TABLE 1-2:
PIC16F/LF1946/47 PINOUT DESCRIPTION
Input Output
Function
Name
Description
Type
Type
RA0/AN0/CPS0/SEG33
RA0
AN0
TTL
AN
AN
—
CMOS General purpose I/O.
—
—
A/D Channel 0 input.
Capacitive sensing input 0.
LCD Analog output.
CPS0
SEG33
AN
RA1/AN1/CPS1/SEG18
RA1
AN1
TTL
AN
AN
—
CMOS General purpose I/O.
—
—
A/D Channel 1 input.
Capacitive sensing input 1.
LCD Analog output.
CPS1
SEG18
RA2
AN
RA2/AN2/VREF-/CPS2/SEG34
TTL
AN
AN
AN
—
CMOS General purpose I/O.
AN2
—
—
A/D Channel 2 input.
VREF-
CPS2
SEG34
RA3
A/D Negative Voltage Reference input.
Capacitive sensing input 2.
LCD Analog output.
—
AN
RA3/AN3/VREF+/CPS3/SEG35
TTL
AN
AN
AN
—
CMOS General purpose I/O.
AN3
—
—
A/D Channel 3 input.
VREF+
CPS3
SEG35
RA4
A/D Voltage Reference input.
Capacitive sensing input 3.
LCD Analog output.
—
AN
RA4/T0CKI/SEG14
TTL
ST
CMOS General purpose I/O.
T0CKI
SEG14
RA5
—
Timer0 clock input.
LCD Analog output.
—
AN
RA5/AN4/CPS4/SEG15
TTL
AN
AN
—
CMOS General purpose I/O.
AN4
—
—
A/D Channel 4 input.
Capacitive sensing input 4.
LCD Analog output.
CPS4
SEG5
RA6
AN
RA6/OSC2/CLKOUT/SEG36
RA7/OSC1/CLKIN/SEG37
RB0/INT/SRI/FLT0/SEG30
TTL
—
CMOS General purpose I/O.
OSC2
CLKOUT
SEG36
RA7
XTAL Crystal/Resonator (LP, XT, HS modes).
CMOS FOSC/4 output.
—
—
AN
LCD Analog output.
TTL
XTAL
CMOS
—
CMOS General purpose I/O.
OSC1
CLKIN
SEG37
RB0
—
—
Crystal/Resonator (LP, XT, HS modes).
External clock input (EC mode).
LCD Analog output.
AN
TTL
CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
INT
SRI
ST
—
—
ST
—
External interrupt.
SR Latch input.
FLT0
SEG30
RB1
ST
—
ECCP Auto-shutdown Fault input.
LCD analog output.
AN
RB1/SEG8
TTL
CMOS General purpose I/O. Individually controlled interrupt-on-change.
Individually enabled pull-up.
SEG8
—
AN
LCD Analog output.
Legend: AN = Analog input or output CMOS= CMOS compatible input or output
OD = Open Drain
2
2
TTL = TTL compatible input ST
HV = High Voltage
= Schmitt Trigger input with CMOS levels I C™ = Schmitt Trigger input with I C
levels
XTAL = Crystal
Note 1: Pin function is selectable via the APFCON register.
2010 Microchip Technology Inc.
Preliminary
DS41414A-page 11
MICROCHIP [ MICROCHIP ]
