參數(shù)資料
型號: HD66701
廠商: Hitachi,Ltd.
英文描述: Dot Matrix Liquid Crystal Display Controller/Driver(點陣液晶顯示控制器/驅動器)
中文描述: 點陣式液晶顯示控制器/驅動器(點陣液晶顯示控制器/驅動器)
文件頁數(shù): 44/69頁
文件大小: 352K
代理商: HD66701
HD66702/HD66701
44
Since five segment signal lines can display one digit, one HD66702 can display up to 20 digits for a 1-line
display and 40 digits for a 2-line display.
The examples in Figure 19 have unused common signal pins, which always output non-selection
waveforms. When the liquid crystal display panel has unused extra scanning lines, connect the extra
scanning lines to these common signal pins to avoid any undesirable effects due to crosstalk during the
floating state (Figure 20).
COM1
COM8
COM9
SEG1
SEG100
HD66702
COM16
Example of a 5 7 dot, 20-character 2-line display (1/5 bias, 1/16 duty cycle)
Figure 19 Liquid Crystal Display and HD66702 Connections (cont)
COM1
COM8
COM9
SEG1
SEG100
HD66702
5 7 dot, 20-character 1-line display (1/4 bias, 1/8 duty cycle)
Figure 20 Using COM9 to Avoid Crosstalk on Unneeded Scanning Line
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