PIC18F87J90 Datasheet, PDF (20/450 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt Technology

PIC18F87J90 FAMILY
TABLE 1-3: PIC18F6XJ90 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number _{Pin Buffer}
TQFP ^{Type Type}
Description
PORTG is a bidirectional I/O port.
RG0/LCDBIAS0
RG0
LCDBIAS0
3
I/O ST
Digital I/O.
I Analog BIAS0 input for LCD.
RG1/TX2/CK2
RG1
TX2
CK2
4
I/O ST
Digital I/O.
O
—
AUSART asynchronous transmit.
I/O ST
AUSART synchronous clock (see related RX2/DT2).
RG2/RX2/DT2/VLCAP1
RG2
RX2
DT2
VLCAP1
5
I/O ST
Digital I/O.
I
ST
AUSART asynchronous receive.
I/O ST
AUSART synchronous data (see related TX2/CK2).
I Analog LCD charge pump capacitor input.
RG3/VLCAP2
RG3
VLCAP2
6
I/O ST
Digital I/O.
I Analog LCD charge pump capacitor input.
RG4/SEG26/RTCC
RG4
SEG26
RTCC
8
I/O ST
Digital I/O.
O Analog SEG26 output for LCD.
O
—
RTCC output
VSS
9, 25, 41, 56 P
— Ground reference for logic and I/O pins.
VDD
26, 38, 57 P
— Positive supply for logic and I/O pins.
AVSS
20
P
— Ground reference for analog modules.
AVDD
19
P
— Positive supply for analog modules.
ENVREG
18
I
ST Enable for on-chip voltage regulator.
VDDCORE/VCAP
VDDCORE
VCAP
10
Core logic power or external filter capacitor connection.
P
—
Positive supply for microcontroller core logic
(regulator disabled).
P
—
External filter capacitor connection (regulator enabled).
Legend:
TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
I = Input
P = Power
I²C™ = I²C/SMBus
CMOS
Analog
O
OD
= CMOS compatible input or output
= Analog input
= Output
= Open-Drain (no P diode to VDD)
Note 1: Default assignment for CCP2 when the CCP2MX Configuration bit is set.
2: Alternate assignment for CCP2 when the CCP2MX Configuration bit is cleared.
DS39933D-page 20
 2010 Microchip Technology Inc.