Microchip Technology MA180025 Data Sheet
PIC18F87J90 FAMILY
DS39933D-page 136
2010 Microchip Technology Inc.
TABLE 10-18: PORTH FUNCTIONS
TABLE 10-19: SUMMARY OF REGISTERS ASSOCIATED WITH PORTH
Pin Name
Function
TRIS
Setting
I/O
I/O
Type
Description
RH0/SEG47
RH0
0
O
DIG
LATH<0> data output.
1
I
ST
PORTH<0> data input.
SEG47
x
O
ANA
LCD Segment 47 output; disables all other pin functions.
RH1/SEG46
RH1
0
O
DIG
LATH<1> data output.
1
I
ST
PORTH<1> data input.
SEG46
x
O
ANA
LCD Segment 46 output; disables all other pin functions.
RH2/SEG45
RH2
0
O
DIG
LATH<2> data output.
1
I
ST
PORTH<2> data input.
SEG45
x
O
ANA
LCD Segment 45 output; disables all other pin functions.
RH3/SEG44
RH3
0
O
DIG
LATH<3> data output.
1
I
ST
PORTH<3> data input.
SEG44
x
O
ANA
LCD Segment 44 output; disables all other pin functions.
RH4/SEG40
RH4
0
O
DIG
LATH<4> data output.
1
I
ST
PORTH<4> data input.
SEG40
x
O
ANA
LCD Segment 40 output; disables all other pin functions.
RH5/SEG41
RH5
0
O
DIG
LATH<5> data output.
1
I
ST
PORTH<5> data input.
SEG41
x
O
ANA
LCD Segment 41 output; disables all other pin functions.
RH6/SEG42
RH6
0
O
DIG
LATH<6> data output.
1
I
ST
PORTH<6> data input.
SEG42
x
O
ANA
LCD Segment 42 output; disables all other pin functions.
RH7/SEG43
RH7
0
O
DIG
LATH<7> data output.
1
I
ST
PORTH<7> data input.
SEG43
x
O
ANA
LCD Segment 43 output; disables all other pin functions.
Legend:
O = Output, I = Input, ANA = Analog Signal, DIG = Digital Output, ST = Schmitt Trigger Buffer Input,
x
x
= Don’t care (TRIS bit does not affect port direction or is overridden for this option).
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reset
Values
on page
PORTH
RH7
RH6
RH5
RH4
RH3
RH2
RH1
RH0
LATH
LATH7
LATH6
LATH5
LATH4
LATH3
LATH2
LATH1
LATH0
TRISH
TRISH7
TRISH6
TRISH5
TRISH4
TRISH3
TRISH2
TRISH1
TRISH0
LCDSE5
SE47
SE46
SE45
SE44
SE43
SE42
SE41
SE40