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LH155BA Datasheet(PDF) 32 Page - Sharp Corporation

Part # LH155BA
Description  128-Segment and 64-Common Outputs LCD Driver IC with A Built-in RAM
PDF  51 Pages
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Manufacturer  SHARP [Sharp Corporation]
Direct Link  http://sharp-world.com/
Logo SHARP - Sharp Corporation

LH155BA Datasheet(HTML) 32 Page - Sharp Corporation

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LH155BA
32
(3) NLIN Command (For the graphic display only)
The ON/OFF control of n-line alternated drive is
performed.
NLIN = "0" : n-line alternated drive OFF.
By using frame cycle, the alternat-
ing signals (M) are reversed.
NLIN = "1" : n-line alternated drive ON.
According to data set up in n-line
alternating register, the alternation
is made.
(4) REV Command (For the graphic display only)
Corresponding to the data of the graphic display
RAM, the lighting or not-lighting of the display is
set up.
REV = "0" : When RAM data are at "H", LCD at
ON voltage (normal).
REV = "1" : When RAM data are at "L", LCD at
ON voltage (reverse).
SWAP = "0"
SWAP = "1"
EXTERNAL DATA
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
INTERNAL DATA
d7 d6 d5 d4 d3 d2 d1 d0
d0 d1 d2 d3 d4 d5 d6 d7
(2) SWAP Command (For the graphic display only)
When data to the graphic display RAM are
written, the write data are swapped.
SWAP = "0" : Normal mode. In data-writing, the
data of D7 to D0 can be written to
the graphic display RAM.
SWAP = "1" : SWAP mode ON. In data-writing,
the swapped data of D7 to D0
can be written to the graphic
display RAM.
REF
ACCESS FROM MPU
INTERNAL ACCESS
CORRESPONDING
SEGS OUTPUT
X ADDRESS
D7-D0
Y ADDRESS
D7-D0
000H
D0 (LSB)
|
D7 (MSB)
00H
D0 (LSB)
|
D7 (MSB)
D0/D7
SEGS0/SEGS7
001H
D0 (LSB)
|
D3 (MSB)
01H
D0 (LSB)
|
D3 (MSB)
D0/D3
SEGS8/SEGS11
D0/D7
SEGS0/SEGS7
D0 (LSB)
|
D7 (MSB)
00H
D0 (LSB)
|
D7 (MSB)
0FH
1
D0/D3
SEGS8/SEGS11
D0 (LSB)
|
D3 (MSB)
01H
D0 (LSB)
|
D3 (MSB)
0EH
1
When using this command, outputs of segment
display circuits are set as below.
However the order of D0/D7 are not changed.
When REF = "1", set X address of segment display
circuits described below.
00H/0FH
01H/0EH



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