Hk1621b ssop-48 LED display driver original stock

Ht1621 is a 128 mode (32 4) , memory mapping and multifunction LCD driver. The software configuration features of ht1621 make it suitable for multiple LCD applications, including LCD module and display subsystem. The interface between the host controller and ht1621 only needs three to four lines. The ht1621 contains a power down command to reduce power consumption.

features

Working voltage: 2.4V ~ 5.2v

Built in 256khz RC oscillator

External 32.768KHz crystal or 256khz frequency source input

Select 1 / 2 or 1 / 3 deviation and 1 / 2 or

1 / 3 or 1 / 4 load LCD application

Internal time base frequency source

Two optional 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

thirty-two 4 LCD driver

Built in 32 4-bit display RAM

3-wire serial interface

Internal LCD drive frequency source

Software configuration function

Description of data mode and command mode

Automatic increment of R / W address

Three data access modes

VLCD pin for adjusting LCD operating voltage

Ht1621: 44 pin LQFP package

HT1621B: 48 pin SSOP / LQFP package

Ht1621g: gold bump chip