HT1621 Datasheet | ART CHIP

HT1621 RAM Mapping 32x4 LCD Controller for I/O MCU Features Operating voltage: 2.4V ~ 5.2V Built-in 256k Hz RC oscillator External 32.768k Hz crystal or 256 k Hz 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 (2k Hz/4k Hz) Power down mand reduces power consumption Built-in time base generator and a 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 mand mode instructions R/W address auto increment Three data accessing modes VLCD pin for adjusting LCD operating voltage HT1621B: 48-pin SSOP/LQFP packages HT1621D: 28-pin SKDIP package HT1621G: Gold bumped chip General Description The HT1621 is a 128 pattern (32x4), memory mapping, and multi-function LCD driver. The S/W...