概 述
CH462是LCD顯示驅(qū)動(dòng)芯片。CH462內(nèi)置時(shí)鐘振蕩電路,支持128個(gè)點(diǎn)(32×4)LCD面板。
特 點(diǎn)
> 最大支持32×4的LCD面板,32個(gè)SEG,4個(gè)COM
> 可以選擇1/2 or 1/3bias,1/2 or 1/3 or 1/4 duty LCD顯示應(yīng)用
> 提供VLCD引腳,用于調(diào)節(jié)LCD工作電壓
> 內(nèi)置偏壓電路
> 內(nèi)置時(shí)鐘振蕩電路
> 2種可選的蜂鳴器頻率(2KHz或4KHz)
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