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ST7531 Datasheet(PDF) 49 Page - Sitronix Technology Co., Ltd.

Part # ST7531
Description  65K Color Dot Matrix LCD Controller/Driver
PDF  85 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7531 Datasheet(HTML) 49 Page - Sitronix Technology Co., Ltd.

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ST7531
Ver 1.8
49/85
2006/9/18
R(x-1,y-1) + R(x,y-1) + R(x+1,y-1) + R(x-1,y) + R(x,y) + R(x+1,y) + R(x-1,y+1) + R(x,y+1) + R(x+1,y+1) = 1
G(x-1,y-1) + G(x,y-1) + G(x+1,y-1) + G(x-1,y) + G(x,y) + G(x+1,y) + G(x-1,y+1) + G(x,y+1) + G(x+1,y+1) = 1
B(x-1,y-1) + B(x,y-1) + B(x+1,y-1) + B(x-1,y) + B(x,y) + B(x+1,y) + B(x-1,y+1) + B(x,y+1) + B(x+1,y+1) = 1
WT2
WT1
WT0
Weighting
k
0
0
0
0/8
0
0
1
1/8
0
1
0
2/8
0
1
1
3/8 (default)
1
0
0
4/8
Assume the dots on display are arranged as follows.
D0 D1 … Di … Dn-1 Dn
After processed,
Di will become kDi-1+(1-k) Di. In addition,
the new value will be saved as
Di‘– the new Di in RAM.
PB2: set edge detector detect value
ED4 ED3 ED2 ED1 ED0
detect value
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
1
0
2
0
0
0
1
1
3
0
1
1
1
0
14
0
1
1
1
1
15
1
0
0
0
0
16
(default)
1
0
0
0
1
17
1
0
0
1
0
18
1
1
1
0
0
28
1
1
1
0
1
29
1
1
1
1
0
30
1
1
1
1
1
31
When “Edge detect” is enabled, the difference value
between pixel and pixel which is large enough will activate
the “Weight set” function.
PB3:
EE
WE
0
0
no weighting
0
1
weighting enable
1
*
weighting + edge detect
*: don’t care



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