SG1621TB - 32 x 4 LCD driver IC
SG1621TB Features
* 2.4V-5.5V
* ： - RC (256Khz) - 32768Hz - 256Khz （ OSCI ）
* 3 pins (CKRB/ CKWB/ DIO)
* Buzzer
* Time base watch dog timer
* VLCD ， LCD
* 32 SEG/4 COM
* duty 1/2 duty, 1/3 duty 1/4 duty
* bias 1/2 bias 1/3 bias
* RESET
* 28-SDIP/ 48-
