PIC16F1946 Datasheet, PDF (13/440 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology

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