參數(shù)資料
型號: HD66731A01TA0L
廠商: Hitachi,Ltd.
英文描述: Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
中文描述: 點陣液晶顯示控制器/驅(qū)動器支持日語漢字,韓文字體顯示
文件頁數(shù): 109/131頁
文件大小: 5332K
代理商: HD66731A01TA0L
HD66730/HD66731
108
Oscillator
Figure 41 shows the optimal value of the oscillation frequency or the external clock frequency depends on
the duty drive ratio setting (DT1/0), number of display lines (NL1/0), and the number of display characters
(NC1/0) in the HD66730/1. The oscillation frequency or the external clock frequency must be adjusted
according to the frame frequency of the liquid crystal drive.
1) When an external clock is used
2) When an internal oscillator is used
OSC1
OSC1
OSC2
Clock
Rf
HD66730
HD66731
HD66730
HD66731
Note: The oscillator frequency can be adjusted by an oscillator resistor (Rf). Refer to Electrical
Characteristics for the relationship between the oscillator resistor (Rf) and the oscillator
frequency. If Rf is increased or power supply voltage is decreased, the oscillator frequency
decreases.
Figure 41 Oscillator Connections
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相關(guān)代理商/技術(shù)參數(shù)
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HD66731A01TB0L 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
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