PIC16LF720_11 Datasheet, PDF (11/244 Pages) Microchip Technology – 20-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC16(L)F720/721
TABLE 1-1: PINOUT DESCRIPTION
Name
Function IN
OUT
Description
RA0/AN0/ICSPDAT
RA1/AN1/ICSPCLK
RA2/AN2/T0CKI/INT
RA3/MCLR/VPP
General purpose I/O. Individually controlled interrupt-on-
RA0
TTL CMOS change.
Individually enabled pull-up.
AN0
AN
— A/D Channel 0 Input.
ICSPDAT
ST
CMOS Serial mode Schmitt Trigger.
ICDDAT
ST
CMOS Debug mode Schmitt Trigger.
General purpose I/O. Individually controlled interrupt-on-
RA1
TTL CMOS change.
Individually enabled pull-up.
AN1
AN
— A/D Channel 1 Input.
ICSPCLK
ST
— Serial mode Schmitt Trigger.
ICDCLK
ST
CMOS Debug mode Schmitt Trigger.
General purpose I/O. Individually controlled interrupt-on-
RA2
ST
CMOS change.
Individually enabled pull-up.
AN2
AN
— A/D Channel 2 Input.
T0CKI
ST
— Timer0 Clock Input.
INT
ST
— External interrupt.
RA3
TTL
CMOS
General purpose input only. Individually controlled interrupt-on-
change. Individually enabled pull-up.
MCLR
ST
—
Master Clear Reset. Pull-up enabled when configured as
MCLR.
VPP
HV
— Programming Voltage.
RA4/AN3/T1G/CLKOUT
RA4
General purpose I/O. Individually controlled interrupt-on-
TTL CMOS change.
Individually enabled pull-up.
AN3
AN
— A/D Channel 3 Input.
T1G
ST
— Timer1 Gate Input.
CLKOUT
—
CMOS FOSC/4 output.
RA5/T1CKI/CLKIN
General purpose I/O. Individually controlled interrupt-on-
RA5
TTL CMOS change.
Individually enabled pull-up.
T1CKI
ST
— Timer1 Clock input.
CLKIN
ST
— External Clock Input (EC mode).
RB4/AN10/SDI/SDA
RB4
TTL CMOS General purpose I/O. Individually controlled interrupt-on-
change.
Individually enabled pull-up.
AN10
AN
— A/D Channel 10 Input.
SDI
SDA
ST
— SPI Data Input.
ST
OD I²C™ Data.
RB5/AN11/RX/DT
RB5
TTL CMOS General purpose I/O. Individually controlled interrupt-on-
change.
Individually enabled pull-up.
AN11
AN
— A/D Channel 11 Input.
RX
ST
— USART asynchronous input.
DT
ST
CMOS USART synchronous data.
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
 2011 Microchip Technology Inc.
Preliminary
DS41430B-page 11