參數(shù)資料
型號: HD66740WTB0
廠商: Hitachi,Ltd.
英文描述: 112 x 80-dot Graphics LCD Controller/Driver
中文描述: 112 × 80點(diǎn)圖形LCD控制器/驅(qū)動器
文件頁數(shù): 20/95頁
文件大?。?/td> 856K
代理商: HD66740WTB0
HD66740
20
Table 6
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 7
BT Bits and Output Level
BT1
BT0
V5OUT Output Level
0
0
Triple boost
0
1
Quadruple boost
1
0
Five-times boost
1
1
Setting inhibited
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