EM65570
68COM/ 98SEG 65K Color STN LCD Driver
8.2.29 Scroll Top Address
D7
D6 D5 D4 D3 D2 D1 D0
STA3 STA2 STA1 STA0
CSB RS RDB WRB RE2 RE1 RE0
0
0
0
0
0
1
1
0
1
0
1
(At the time of reset: {STA3, STA2, STA1, STA0} = 0H, read address: 0H)
D7 D6 D5 D4 D3 D2 D1 D0
STA6 STA5 STA4
CSB RS RDB WRB RE2 RE1 RE0
0
0
0
1
0
1
1
0
1
0
1
*
* Don’t Care
(At the time of reset: {STA6, STA5, STA4} = 0H, read address: 1H)
Sets the top address of scroll data area in RAM under the following condition:
0 <= Scroll top address <= 67
Scroll top address < Scroll bottom address
8.2.30 Scroll Bottom Address
D7 D6 D5 D4 D3
D2
D1
D0
CSB RS RDB WRB RE2 RE1 RE0
0
0
1
0
SBA3 SBA2 SBA1 SBA0
0
1
1
0
1
0
1
(At the time of reset: {SBA3, SBA2, SBA1, SBA0} = 3H, read address: 2H)
D7
D6 D5 D4 D3 D2
D1
D0
CSB RS RDB WRB RE2 RE1 RE0
0
0
1
1
SBA6 SBA5 SBA4
0
1
1
0
1
0
1
*
* Don’t Care
(At the time of reset: {SBA6, SBA5, SBA4} = 4H, read address: 3H)
Set the bottom address of scroll data area in RAM under the following condition:
0 <= Scroll bottom address <= 67
Scroll top address < Scroll bottom address
8.2.31 Scroll Specified Address
D7 D6 D5 D4 D3
D2
D1
D0
CSB RS RDB WRB RE2 RE1 RE0
0
1
0
0
SSA3 SSA2 SSA1 SSA0
0
1
1
0
1
0
1
(At the time of reset: {SSA3, SSA2, SSA1, SSA0} = 0H, read address: 4H)
D7 D6 D5 D4 D3 D2
D1
D0
CSB RS RDB WRB RE2 RE1 RE0
0
1
0
1
SSA6 SSA5 SSA4
0
1
1
0
1
0
1
*
* Don’t Care
(At the time of reset: {SSA6, SSA5, SSA4} = 0H, read address: 5H)
Depending on the size of the display panel or of the duty ratio selection, set the
specified address in RAM to jump to the scroll bottom address and then show the fixed
data area.
Scroll specified address = scroll top address + panel scroll area – 1
78 •
Product Specification (V1.0) 09.05.2005
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
