參數(shù)資料
型號(hào)： HE84G761(S)
文件頁(yè)數(shù)： 25/52頁(yè)
文件大小： 631K
代理商： HE84G761(S)
Duty and Bias Setting. However, it is better to use it as starting point and adjust it with real LCD panel
connected to it to determine the final setting. The theoretic relationship between the duty and bias setting
as following:
KING BILLION ELECTRONICS CO., LTD
駿
億
電
子
股
份
有
限
公
司
HE84G761
HE80004 Series
June 30, 2003
This specification is subject to change without notice. Please contact sales person for the latest version before use.
25
V1.01
Duty Cycle Normal Bias Alternative Bias
32 duty
1/7
48 duty
1/8
64 duty
1/9
80 duty
1/10
1/7.5
1/7.5, 1/8.5
1/8.5, 1/9.5
1/9.5, 1/10.5
The bias setting is made by mask option MO_LBSR[2..0].
MO_LBSR[2..0]
000
001
010
011
100
101
110
111
Bias Setting
1/7
1/7.5
1/8
1/8.5
1/9
1/9.5
1/10
1/5
10.
LCDC Control register
LCD Control Register LCDC controls the functions of LCD driver.
LCDC
Field
Mode
Reset
bit 7
-
-
-
bit 6
-
-
-
bit 5
CLR_GP
W
1
bit 4
bit 3
GRAY
W
xxx
bit 2
bit 1
BLANK
W
1
bit 0
LCDE
W
0
Field
Value
0
1
000
.
.
.
111
0
Function
Reset GRAY palette register pointer by write ‘0’ to CLR_GP bit.
No effect on GRAY palette register pointer.
LCD is darkest.
CLR_GP
LCD display contrast adjustment.
GRAY
LCD is lightest.
normal display.
LCD display blanked. The COM signals of LCD driver output inactive levels
(LVL4 and LVL1) while SEG signals output normal display patterns.
LCD driver disabled, LCD driver has no output signal and LVL1 ~ LR4 is pulled
up to LV3
LCD driver Enabled.
BLANK
1
0
LCDE
1
Please note that LCD driver must be turned off before the system goes into "sleep" mode. That means
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