NJU6682CH 데이터 시트보기 (PDF) - Japan Radio Corporation
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NJU6682CH Datasheet PDF : 58 Pages
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NJU6682
3-3)X Address Set
In the case of access to the Display Data RAM from MPU side, it is needed that to set the X Address which correspond
to Column Address by using of this X Address Set instruction, before data writing. The access to the Display Data RAM is
possible by set of both X Address and Y Address. There is no influence to the Display with changing the Y Address.
The area of X Address is depended on the Display mode. In gray scale mode, it is from 00H to 10H. In black and white
mode, it is from 00H to 08H(layer 0), and from 20H to 28H(layer 1). When Address is set unlike listed above, the Address
will be invalid.
When MPU accesses to the Display Data RAM continuously, X Address is increased +1 from initial X Address every
time RAM is accessed. Therefore, the MPU can access the only Data continuously without resetting of X Address.
The increment of X Address is stopped automatically at the point of the maximum value of X Address which is due to
each mode +1.
At that time, Y Address isn’t changed at all.
(R/W)
A0 RD WR D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
0
1
0
0
0
10
0
0
0
0
*
* A5 A4 A3 A2 A1 A0
* : Don’t Care
A5 A4 A3 A2 A1 A0
000000
000001
000010
:
:
001000
:
:
001110
001111
010000
:
:
:
:
100000
100001
:
:
100111
101000
:
:
:
X Address
Gray Scale Mode
0
1
2
:
:
:
:
:
14
15
16
Black & White Mode
0
1
2
:
:
8
Address Set is Invalid
Address Set is Invalid
32
33
:
:
39
40
Address Set is Invalid
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