EM65570
68COM/ 98SEG 65K Color STN LCD Driver
8.2.11 Register Access Control
D7 D6 D5 D4 D3 D2 D1 D0
CSB RS RDB WRB RE2 RE1 RE0
1
1
1
0
TST0 RE2 RE1 RE0
0
1
1
0
0/1 0/1 0/1
(At the time of reset: {TST0, RE2, RE1, RE0} = 0H, read address: FH)
Set the RE register to select the register bank number. To access each control
register, set the RE register first.
The TST0 register is used to test LSI. Therefore this register must be set to “0”
8.2.12 Display Start Common
D7 D6 D5 D4 D3 D2 D1 D0
SC3 SC2 SC1 SC0
CSB RS RDB WRB RE2 RE1 RE0
0
0
0
0
0
1
1
0
0
0
1
(Read address=0H)
D7 D6 D5 D4 D3 D2 D1 D0
SC4
CSB RS RDB WRB RE2 RE1 RE0
0
0
0
1
*
*
*
0
1
1
0
0
0
1
* Don’t Care
(Read address=1H)
(At the time of reset:{SC4,SC3,SC2,SC1,SC0} = 0H)
The SC register sets the scanning start output of the common driver.
Display Starting Common
SC4
SC3
SC2
SC1
SC0
When SHIFT=0
COM0~
When SHIFT=1
COM67~
COM63~
COM59~
COM55~
COM51~
COM47~
COM43~
COM39~
COM35~
COM31~
COM27~
COM23~
COM19~
COM15~
COM11~
COM7~
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
COM4~
COM8~
COM12~
COM16~
COM20~
COM24~
COM28~
COM32~
COM36~
COM40~
COM44~
COM48~
COM52~
COM56~
COM60~
COM64~
COM3~
SHIFT=”0”: COM0 to COM67 shift-scan
SHIFT=”1”: COM67 down to COM0 shift-scan
Product Specification (V1.0) 09.05.2005
(This specification is subject to change without further notice)
• 67
ELAN [ ELAN MICROELECTRONICS CORP ]
