合泰HT1621B　　LCD液晶驱动　1621 LQFP48

台湾合泰 HT1621B深圳市英瑞尔芯科技　原装正品假一赔万　齐小姐

主要特点

工作电压2.4~ 5.2V内嵌256KHz RC 振荡器可外接32KHz晶片或256KHz频率源输入可选1/2或1/3偏压和1/2、1/3 或1/4 的占空比片内时基频率源蜂鸣器可选择两种频率节电命令可用于减少功耗内嵌时基发生器和看门狗定时器WDT时基或看门狗定时器溢出输出八个时基/看门狗定时器时钟源一个32*4 的LCD 驱动器一个内嵌的32*4 位显示RAM 内存四线串行接口片内LCD 驱动频率源软件配置特征数据模式和命令模式指令三种数据访问模式提供VLCD管脚用于调整LCD操作电压

Built-in 256kHz RC oscillatorExternal 32.768kHz crystal or 256kHz frequency source inputSelection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty LCD applicationsInternal time base frequency sourcesTwo selectable buzzer frequencies (2kHz/4kHz)Power down command reduces power consumptionBuilt-in time base generator and WDTTime base or WDT overflow output8 kinds of time base/WDT clock sources32x4 LCD driverBuilt-in 32x4 bit display RAM3-wire serial interfaceInternal LCD driving frequency sourceSoftware configuration featureData mode and command mode instructionsR/W address auto incrementThree data accessing modesVLCD pin for adjusting LCD operating voltageHT1621: 44-pin LQFP package

HT1621B: 48-pin SSOP/LQFP packages

HT1621G: Gold bumped chip