HT1620
Features
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- Logic operating voltage: 2.4V~3.3V LCD voltage: 3.6V~4.9V Low operating current <3m A at 3V External 32.768k Hz crystal oscillator 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) Built-in capacitor type bias charge pump Time base or WDT overflow output
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- 8 kinds of time base/WDT clock source 32´4 LCD driver Built-in 32´4-bit display RAM 3-wire serial interface Internal LCD driving frequency source Software configuration feature
R/W address auto increment Data mode and mand mode instructions Three data accessing modes
General Description
The HT1620 is a 128 pattern (32´4), memory mapping, and multi-function LCD driver. The S/W configuration feature of the HT1620 makes it suitable for multiple LCD applications including LCD modules and display subsystems. Only three or four lines are required for the interface between the...
