PIC18F87K22 Datasheet, PDF (16/548 Pages) Microchip Technology – 64/80-Pin, High-Performance, 1-Mbit Enhanced Flash Microcontrollers with 12-Bit A/D and nanoWatt XLP Technology

PIC18F87K22 FAMILY
TABLE 1-3: PIC18F6XK22 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number _{Pin Buffer}
QFN/TQFP ^{Type Type}
Description
PORTA is a bidirectional I/O port.
RA0/AN0/ULPWU
RA0
AN0
ULPWU
24
I/O TTL
Digital I/O.
I Analog Analog Input 0.
I Analog Ultra low-power wake-up input.
RA1/AN1
RA1
AN1
23
I/O TTL
Digital I/O.
I Analog Analog Input 1.
RA2/AN2/VREF-
RA2
AN2
VREF-
22
I/O TTL
Digital I/O.
I Analog Analog Input 2.
I Analog A/D reference voltage (low) input.
RA3/AN3/VREF+
RA3
AN3
VREF+
21
I/O TTL
Digital I/O.
I Analog Analog Input 3.
I Analog A/D reference voltage (high) input.
RA4/T0CKI
RA4
T0CKI
28
I/O ST
Digital I/O.
I
ST
Timer0 external clock input.
RA5/AN4/T1CKI/T3G/
HLVDIN
RA5
AN4
T1CKI
T3G
HLVDIN
27
I/O TTL
I Analog
I
ST
I
ST
I Analog
Digital I/O.
Analog Input 4.
Timer1 clock input.
Timer3 external clock gate input.
High/Low-Voltage Detect input.
RA6
See the OSC2/CLKO/RA6 pin.
RA7
Legend:
TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
I = Input
P = Power
I²C = I²C™/SMBus
See the OSC1/CLKI/RA7 pin.
CMOS
Analog
O
OD
= CMOS compatible input or output
= Analog input
= Output
= Open-Drain (no P diode to VDD)
Note 1:
2:
3:
Default assignment for ECCP2 when the CCP2MX Configuration bit is set.
Alternate assignment for ECCP2 when the CCP2MX Configuration bit is cleared.
Not available on PIC18F65K22 and PIC18F85K22 devices.
DS39960B-page 16
Preliminary
 2010 Microchip Technology Inc.