參數(shù)資料
型號: HD66728
廠商: Hitachi,Ltd.
英文描述: 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點圖形LCD控制器)
中文描述: 112 × 80點圖形LCD控制器/驅動器(112 × 80點圖形液晶顯示控制器)
文件頁數(shù): 40/138頁
文件大?。?/td> 2158K
代理商: HD66728
HD66728
40
Table 13
CT Bits and Variable Resistor Value of Contrast Adjuster
CT Set Value
CT5
CT4
CT3
CT2
CT1
CT0
Variable Resistor (VR)
0
0
0
0
0
0
3.20 x R
0
0
0
0
0
1
3.15 x R
0
0
0
0
1
0
3.10 x R
0
0
0
0
1
1
3.05 x R
0
0
0
1
0
0
3.00 x R
0
1
1
1
1
1
1.65 x R
1
0
0
0
0
0
1.60 x R
1
0
0
0
0
1
1.55 x R
1
0
0
0
1
0
1.50 x R
1
1
1
1
0
1
0.15 x R
1
1
1
1
1
0
0.10 x R
1
1
1
1
1
1
0.05 x R
BT1-0:
When SW = 1, they switch the output of V5OUT between triple, quadruple, and five-times boost.
The liquid crystal display drive voltage level can be selected according to its drive duty ratio and bias. A
lower amplification of the booster consumes less current.
BS2-0:
When SW = 1, they set the crystal display drive bias value within the range of 1/4 to 1/10 bias. The
liquid crystal display drive bias value can be selected according to its drive duty ratio and voltage. For
details, see the Liquid Crystal Display Drive Bias Selector section.
Table 14
BT Bits and Output Level
BT1
BT0
V5OUT Output Level
0
0
Triple boost (no boost)
0
1
Quadruple boost
1
0
Five-times boost
1
1
Setting inhibited
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