PIC18F87K90 Datasheet, PDF (29/566 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC18F87K90 FAMILY
TABLE 1-4: PIC18F8XK90 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number _{Pin Buffer}
TQFP ^{Type Type}
Description
PORTF is a bidirectional I/O port.
RF1/AN6/C2OUT/SEG19/
23
CTDIN
RF1
AN6
C2OUT
SEG19
CTDIN
I/O ST
I Analog
O
—
O Analog
I
ST
Digital I/O.
Analog Input 6.
Comparator 2 output.
SEG19 output for LCD.
CTMU pulse delay input.
RF2/AN7/C1OUT/
SEG20/CTMUI
RF2
AN7
C1OUT
SEG20
CTMUI
18
I/O ST
I Analog
O
—
O Analog
O
—
Digital I/O.
Analog Input 7.
Comparator 1 output.
SEG20 output for LCD.
CTMU pulse generator charger for the C2INB
comparator input.
RF3/AN8/SEG21/C2INB
17
RF3
I/O ST
Digital I/O.
AN8
I Analog Analog Input 8.
SEG21
O Analog SEG21 output for LCD.
C2INB
I Analog Comparator 2 Input B.
RF4/AN9/SEG22/C2INA
16
RF4
I/O ST
Digital I/O.
AN9
I Analog Analog Input 9.
SEG22
O Analog SEG22 output for LCD.
C2INA
I Analog Comparator 2 Input A.
RF5/AN10/CVREF/
SEG23/C1INB
RF5
AN10
CVREF
SEG23
C1INB
15
I/O ST
I Analog
O Analog
O Analog
I Analog
Digital I/O.
Analog Input 10.
Comparator reference voltage output.
SEG23 output for LCD.
Comparator 1 Input B.
RF6/AN11/SEG24/C1INA
14
RF6
AN11
SEG24
C1INA
I/O ST
I Analog
O Analog
I Analog
Digital I/O.
Analog Input 11.
SEG24 output for LCD.
Comparator 1 Input A.
RF7/AN5/SS1/SEG25
RF7
AN5
SS1
SEG25
13
I/O ST
Digital I/O.
O Analog Analog Input 5.
I TTL
SPI slave select input.
O Analog SEG25 output for LCD.
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:
2:
3:
4:
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 PIC18F65K90 and PIC18F85K90 devices.
The CCP6, CCP7, CCP8 and CCP9 pin placement depends on the ECCPMX Configuration bit setting.
 2010 Microchip Technology Inc.
Preliminary
DS39957B-page 29