ht1621b/48ssop lcd驱动芯片：
operating voltage : 2.4v~5.2v built-in 256khz rc oscillator external 32.768khz crystal or 256khz frequency source input selection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty lcd applications internal time base frequency sources two selectable buzzer frequencies (2khz/4khz) power down command reduces power consumption built-in time base generator and wdt time base or wdt overflow output 8 kinds of time base/wdt clock sources 32x4 lcd driver built-in 32x4 bit display ram 3-wire serial interface internal lcd driving frequency source software configuration feature data mode and command mode instructions r/w address auto increment three data accessing modes vlcd pin for adjusting lcd operating voltage ht1621: 44-pin qfp/lqfp package ht1621b: 48-pin ssop/lqfp packages ht1621g: gold bumped chip

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南京扬林电子科技有限公司
王启元
18061689492
南京市云锦路58号