參數(shù)資料
型號(hào): HD66732
廠商: Hitachi,Ltd.
英文描述: Graphics Liquid Crystal Display Controller/Driver Supporting JIS Level-1 and Level-2 Kanji ROM(圖形LCD控制器/驅(qū)動(dòng)器)
中文描述: 圖形液晶顯示控制器/驅(qū)動(dòng)器支持日標(biāo)級(jí)- 1和第2級(jí)漢字光盤(圖形液晶顯示控制器/驅(qū)動(dòng)器)
文件頁數(shù): 19/133頁
文件大?。?/td> 2608K
代理商: HD66732
HD66732
19
V-pin Voltage Follower
A voltage follower for each voltage level (V1 to V5) reduces current consumption by the LCD drive power
supply circuit. No external resistors are required because of the internal bleeder-resistor, which generates
different levels of LCD drive voltage. This internal bleeder-resistor can be software-specified from 1/2 bias
to 1/8 bias, according to the liquid crystal display drive duty value. The voltage followers can be turned off
while multiplexing drive is not being used. For details, see the Power Supply for Liquid Crystal Display
Drive section.
Contrast Adjuster
The contrast adjuster can be used to adjust LCD contrast in 32 steps by varying the LCD drive voltage by
software. This can be used to select an appropriate LCD brightness or to compensate for temperature.
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