NJU6678CL 查看數據表（PDF） - Japan Radio Corporation
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NJU6678CL Datasheet PDF : 45 Pages
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NJU6678
(3) Explanation of Instruction Code
(3-1) Display On/Off
This instruction executes whole display On/Off without relationship of the data in the Display Data RAM and
internal conditions.
R/W
A0
RD WR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
1
0
1
0
1
1
1
D
D 0:Display Off
1:Display On
(3-2) Display Start Line
This instruction sets the line address of Display Data RAM corresponding the COM0 terminal (the highest
position line of display in normal application). The display area is fixed automatically by number of display line
which corresponds the display duty ratio from the pointed line address as the start line. This instruction realizes
the vertical smooth scroll with extra display RAM or the page address change by dynamic line addressing. In
this time, the contents of RAM are not changed.
R/W
A0
RD WR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
0
1
0
1
A7
A6
A5
A4
0
1
0
0
1
1
0
A3
A2
A1
A0
A7
A6
A5
A4
A3
A2
A1
A0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
:
:
1
0
0
1
1
1
1
1
Line Address(HEX)
0
1
:
:
9F
(3-3) Page Address Set
When MPU accesses the Display Data RAM, the page address must be selected before the data writing. The
access to the Display Data RAM is available by the page and column address set (Refer the Fig. 1). The page
address change does not influence with the display.
R/W
A0
RD WR
D7
D6
D5
D4
D3
D2
D1
D0
0
1
0
0
1
0
0
*
*
*
A4
0
1
0
1
1
0
0
A 3 A 2 A 1 A 0 (*:Don't Care)
A4
A3
A2
A1
A0
0
0
0
0
0
0
0
0
0
1
:
:
1
0
0
1
1
Page
0
1
:
:
19
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