آی سی HT1621B-48SSOP کنترلر LCD 32 x 4

 Operating voltage: 2.4V ~ 5.2V 

Built-in 256kHz RC oscillator z External 32.768kHz crystal or 256 kHz frequency source 

 Selection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty LCD application  

Internal time base frequency sources  

Two selectable buzzer frequencies (2kHz/4kHz)  

Power down command 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 z 

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  

HT1621B: 48-pin SSOP/LQFP packages z HT1621D: 28-pin SKDIP package z HT1621G: Gold bumped chip