PIC18F87K90 Datasheet, PDF (179/566 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC18F87K90 FAMILY
TABLE 11-18: PORTJ FUNCTIONS
Pin Name
Function
TRIS
Setting
I/O
I/O
Type
Description
RJ0
RJ0
0
O
DIG LATJ<0> data output.
1
I
ST PORTJ<0> data input.
RJ1/SEG33
RJ1
0
O
DIG LATJ<1> data output.
1
I
ST PORTJ<1> data input.
SEG33
1
O
ANA LCD Segment 33 output; disables all other pin functions.
RJ2/SEG34
RJ2
0
O
DIG LATJ<2> data output.
1
I
ST PORTJ<2> data input.
SEG34
1
O
ANA LCD Segment 34 output; disables all other pin functions.
RJ3/SEG35
RJ3
0
O
DIG LATJ<3> data output.
1
I
ST PORTJ<3> data input.
SEG35
1
O
ANA LCD Segment 35 output; disables all other pin functions.
RJ4/SEG39
RJ4
0
O
DIG LATJ<4> data output.
1
I
ST PORTJ<4> data input.
SEG39
1
O
ANA LCD Segment 39 output; disables all other pin functions.
RJ5/SEG38
RJ5
0
O
DIG LATJ<5> data output.
1
I
ST PORTJ<5> data input.
SEG38
1
O
ANA LCD Segment 38 output; disables all other pin functions.
RJ6/SEG37
RJ6
0
O
DIG LATJ<6> data output.
1
I
ST PORTJ<6> data input.
SEG37
1
O
ANA LCD Segment 37 output; disables all other pin functions.
RJ7/SEG36
RJ7
0
O
DIG LATJ<7> data output.
1
I
ST PORTJ<7> data input.
SEG36
1
O
ANA LCD Segment 36 output; disables all other pin functions.
Legend: O = Output, I = Input, ANA = Analog Signal, DIG = Digital Output, ST = Schmitt Trigger Buffer Input,
x = Don’t care (TRIS bit does not affect port direction or is overridden for this option).
TABLE 11-19: SUMMARY OF REGISTERS ASSOCIATED WITH PORTJ
Name
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3
Bit 2
Bit 1
PORTJ
RJ7
RJ6
RJ5
RJ4
RJ3
RJ2
LATJ
LATJ7 LATJ6 LATJ5 LATJ4 LATJ3
LATJ2
TRISJ
TRISJ7 TRISJ6 TRISJ5 TRISJ4 TRISJ3 TRISJ2
LCDSE4
PADCFG1
SE39
RDPU
SE38 SE37 SE36
REPU RJPU⁽¹⁾
—
SE35
SE34
— RTSECSEL1
Legend: Shaded cells are not used by PORTJ.
Note 1: Unimplemented on PIC18F6XK90 devices, read as ‘0’.
RJ1
LATJ1
TRISJ1
SE33
RTSECSEL0
Bit 0
RJ0
LATJ0
TRISJ0
SE32
—
Reset
Values
on Page:
76
76
76
81
78
 2010 Microchip Technology Inc.
Preliminary
DS39957B-page 179