HT1621 SSOP48

شناسه محصول: HT1621-SSOP48 دسته: برچسب: , , , , , , , ,

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توضیحات محصول

The HT1621 is a 128 pattern (32×4), memory mapping, and multi-function LCD driver. The S/W configuration feature of this 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 host controller and it. This contains a power down command to reduce power consumption.


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

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