em65570sagh ELAN Microelectronics Corp, em65570sagh Datasheet - Page 75

• Manufacturer Part Number: em65570sagh
• Description: 68com/98seg 65k Color Stn Lcd Drivers
• Manufacturer: ELAN Microelectronics Corp

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Product Specification (V1.0) 04.18.2006
(This specification is subject to change without further notice)
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8.2.30 Scroll Mode Select
(At the time of reset: {SM1, SM0} = 3H, read address: 8H)
8.2.31 RAM Data Writing Select Control
(At the time of reset: {WBS, RDWS2, RDWS1, RDWS0} = 0H, read address: 3H)
The WBS bit select byte writing sequence while display data writing.
WBS=0, low byte writing first
WBS=1, high byte writing first
The RDWS[2:0] select RAM data writing mode shown as follow:
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– mark means “Don’t care”
D7 D6 D5 D4 D3
–mark means “Don’t care”
D7
0
1
SM1
0
0
1
1
0
D6
0
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1
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D5
0
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1
SM0
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0
1
0
1
5 P
D4
WBS RDWS2 RDWS1 RDWS0
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0
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B S
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D3
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M
*
U P N
M
D2
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D2
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Type of Area Scroll
Bottom screen scroll
Center screen scroll
Whole screen scroll
SM1 SM0
D1
D1
Top screen scroll
D0
68COM/98SEG 65K Color STN LCD Drivers
D0
CSB RS RDB WRB RE2 RE1 RE0
0
CSB RS RDB WRB RE2 RE1 RE0
0
1
1
1
1
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0
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0
1
EM65570S
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