參數(shù)資料
型號(hào)： HE84G752B
廠商： King Billion Electronics Co., Ltd.
英文描述： 8-BIT MICRO-CONTROLLER
中文描述： 8位微控制器
文件頁(yè)數(shù)： 21/49頁(yè)
文件大?。?/td> 474K
代理商： HE84G752B
KING BILLION ELECTRONICS CO., LTD
駿
億
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子
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有
限
公
司
HE84G752B
HE80004 Series
January 21, 2005
This specification is subject to change without notice. Please contact sales person for the latest version before use.
21
V0.93
Different duties require different bias settings. There is some theoretical correspondence between the
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:
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
9.
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
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.
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