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NJU6680 Datasheet(PDF) 21 Page - New Japan Radio

Part # NJU6680
Description  128-common x 128-segment 4-level Gray Scale BITMAP LCD DRIVER
PDF  56 Pages
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Manufacturer  NJRC [New Japan Radio]
Direct Link  http://www.jrc.co.jp/eng/index.html
Logo NJRC - New Japan Radio

NJU6680 Datasheet(HTML) 21 Page - New Japan Radio

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NJU6680
- 21 -
Ver.2003-04-08
(f)
Initial display line set
The “Initial display line set” instruction is used to specify the line address, which corresponds to the
initial COM0 line (COM0).
RS
R/W
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
1
0
0
0
0
*
*
Set initial display line
0
0
*
L6
L5
L4
L3
L2
L1
L0
Specify line address
L6
L5
L4
L3
L2
L1
L0
Line address
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1
0
2
:
:
:
:
:
:
:
:
1
1
1
1
1
0
1
125
1
1
1
1
1
1
0
126
1
1
1
1
1
1
1
127
(g)
Initial COM0 line set
The “Initial COM0 line set” instruction is specify the common driver, which starts scanning the
display data in the DDRAM.
RS
R/W
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
1
0
0
0
1
*
*
Set initial COM0 line
0
0
*
C6
C5
C4
C3
C2
C1
C0
Specify initial COM0
C6
C5
C4
C3
C2
C1
C0
Initial COM0
0
0
0
0
0
0
0
COM0
0
0
0
0
0
0
1
COM1
0
0
0
0
0
1
0
COM2
:
:
:
:
:
:
:
:
1
1
1
1
1
0
1
COM125
1
1
1
1
1
1
0
COM126
1
1
1
1
1
1
1
COM127
(h)
Partial display duty set
The “Partial display duty set” instruction is used to specify the duty cycle ratio for the partial display.
The LSI can be programmed to select not only the duty cycle ratio, but also the LCD bias ratio, boost
level and contrast level by the instructions so that it is possible to optimize the LSI’s condition in
accordance with the partial display status. For more information, refer to (7) “Partial display function”.
RS
R/W
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
1
0
0
1
0
*
*
Set partial display duty
0
0
D7
D6
D5
D4
D3
D2
D1
D0
Specify duty cycle ratio
D7
D6
D5
D4
D3
D2
D1
D0
Duty
0
0
0
0
0
0
0
0
:
:
:
:
:
:
:
:
0
0
0
0
1
1
1
1
Invalid
0
0
0
1
0
0
0
0
1/16
:
:
:
:
:
:
:
:
:
1
0
0
0
0
0
0
0
1/128
1
0
0
0
0
0
0
1
:
:
:
:
:
:
:
:
1
1
1
1
1
1
1
1
Invalid



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