PIC18F87J90 Datasheet, PDF (138/450 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt Technology

PIC18F87J90 FAMILY
TABLE 10-20: 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
x
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
x
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
x
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
x
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
x
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
x
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
x
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 10-21: SUMMARY OF REGISTERS ASSOCIATED WITH PORTJ
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PORTJ
LATJ
TRISJ
PORTG
LCDSE4
Legend:
Note 1:
RJ7
RJ6
RJ5
RJ4
RJ3
LATJ7 LATJ6 LATJ5 LATJ4 LATJ3
TRISJ7 TRISJ6 TRISJ5 TRISJ4 TRISJ3
RDPU REPU RJPU⁽¹⁾ RG4
RG3
SE39
SE38
SE37
SE36
SE35
Shaded cells are not used by PORTJ.
Unimplemented on PIC18F6XJ90 devices, read as ‘0’.
RJ2
LATJ2
TRISJ2
RG2
SE34
RJ1
LATJ1
TRISJ1
RG1
SE33
RJ0
LATJ0
TRISJ0
RG0
SE32
Reset
Values
on page
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DS39933D-page 138
 2010 Microchip Technology Inc.