PIC18F26K80-I Datasheet, PDF (19/622 Pages) Microchip Technology – 28/40/44/64-Pin, Enhanced Flash Microcontrollers with ECAN™ and nanoWatt XLP Technology

PIC18F66K80 FAMILY
TABLE 1-4: PIC18F2XK80 I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
SSOP/ ^{Pin Buffer}
QFN SPDIP ^{Type Type}
/SOIC
Description
PORTA is a bidirectional I/O port.
RA0/CVREF/AN0/ULPWU 27
2
RA0
I/O ST/ General purpose I/O pin.
CMOS
CVREF
O Analog Comparator reference voltage output.
AN0
I Analog Analog Input 0.
ULPWU
I Analog Ultra Low-Power Wake-up input.
RA1/AN1
28
3
RA1
I/O ST/ Digital I/O.
CMOS
AN1
I Analog Analog Input 1.
RA2/VREF-/AN2
1
4
RA2
I/O ST/ Digital I/O.
CMOS
VREF-
I Analog A/D reference voltage (low) input.
AN2
I Analog Analog Input 2.
RA3/VREF+/AN3
2
5
RA3
I/O ST/ Digital I/O.
CMOS
VREF+
I Analog A/D reference voltage (high) input.
AN3
I Analog Analog Input 3.
RA5/AN4/C2INB/HLVDIN/ 4
7
T1CKI/SS/CTMUI
RA5
I/O ST/ Digital I/O.
CMOS
AN4
I Analog Analog Input 4.
C2INB
I Analog Comparator 2 Input B.
HLVDIN
I Analog High/Low-Voltage Detect input.
T1CKI
I
ST Timer1 clock input.
SS
I
ST SPI slave select input.
CTMUI
CTMU pulse generator charger for the C2INB.
Legend: CMOS = CMOS compatible input or output
I²C™ = I²C/SMBus input buffer
ST = Schmitt Trigger input with CMOS levels
Analog = Analog input
I
= Input
O
= Output
P
= Power
 2010-2012 Microchip Technology Inc.
DS39977F-page 19