HT1621G

HT1621/HT1621G RAM Mapping 32´4 LCD Controller for I/O MCU PATENTED PAT No. : TW 099352 Features · 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 · 32´4 LCD driver · Built-in 32´4 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 LQFP package HT1621B: 48-pin SSOP/LQFP packages HT1621G: Gold bumped chip General Description The HT1...