PIC18F6390 Datasheet, PDF (130/412 Pages) Microchip Technology – 64/80-Pin Flash Microcontrollers with LCD Driver and nanoWatt Technology

PIC18F6390/6490/8390/8490
TABLE 9-16: PORTH FUNCTIONS
Pin Name
Function
TRIS
Setting
I/O
Buffer
Description
RH0/SEG47
RH0
0
O
DIG-4 LATH<0> data output; disabled when LCD segment enabled.
1
I
ST PORTH<0> data input.
SEG47
x
O
ANA Segment 47 analog output for LCD.
RH1/SEG46
RH1
0
O
DIG LATH<1> data output; disabled when LCD segment enabled.
1
I
ST PORTH<1> data input.
SEG46
x
O
ANA Segment 46 analog output for LCD.
RH2/SEG45
RH2
0
O
DIG LATH<2> data output; disabled when LCD segment enabled.
1
I
ST PORTH<2> data input.
SEG45
x
O
ANA Segment 45 analog output for LCD.
RH3/SEG44
RH3
0
O
DIG LATH<3> data output; disabled when LCD segment enabled.
1
I
ST PORTH<3> data input.
SEG44
x
O
ANA Segment 44 analog output for LCD.
RH4/SEG40
RH4
0
O
DIG LATH<4> data output; disabled when LCD segment enabled.
1
I
ST PORTH<4> data input.
SEG40
x
O
ANA Segment 40 analog output for LCD
RH5/SEG41
RH5
0
O
DIG LATH<5> data output; disabled when LCD segment enabled.
1
I
ST PORTH<5> data input.
SEG41
x
O
ANA Segment 41 analog output for LCD.
RH6/SEG42
RH6
0
O
DIG LATH<6> data output; disabled when LCD segment enabled.
1
I
ST PORTH<6> data input.
SEG42
x
O
ANA Segment 42 analog output for LCD.
RH7/SEG43
RH7
0
O
DIG LATH<7> data output; disabled when LCD segment enabled.
1
I
ST PORTH<7> data input.
SEG43
x
O
ANA Segment 43 analog output for LCD.
Legend: PWR = Power Supply, O = Output, I = Input, ANA = Analog Signal, DIG = Digital Output, ST = Schmitt Buffer Input,
TTL = TTL Buffer Input, x = Don’t care (TRIS bit does not affect port direction or is overridden for this option).
TABLE 9-17: SUMMARY OF REGISTERS ASSOCIATED WITH PORTH
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2 Bit 1
TRISH
PORTH
LATH
LCDSE5
PORTH Data Direction Control Register
Read PORTH pin/Write PORTH Data Latch
Read PORTH Data Latch/Write PORTH Data Latch
SE47 SE46 SE45 SE44 SE43
SE42
SE41
Bit 0
SE40
Reset Values
on Page
62
62
62
64
DS39629B-page 128
Preliminary
 2004 Microchip Technology Inc.