HH1621 - 32 x 4 LCD Driver

General Description

The HH1621 is a 128-pattern (32x4), memory mapping, and multi-function LCD driver.

Key Features

_ Operating voltage: 2.2V~5.2V _ Built-in 256kHz RC oscillator _ External 32.768kHz crystal or 256kHz frequency source input _ Selection of 1/2, 1/3 bias, and selection of 1/2, 1/3, 1/4 duty LCD.

HH1621 32 x 4 lcd driver by Huahong - Datasheet Preview

Datasheet Details

Part number	HH1621
Manufacturer	Huahong
File Size	174.16 KB
Description	32 x 4 LCD Driver
Datasheet	HH1621 Datasheet

📁 Similar Datasheet

Part Number	Description	Manufacturer
HH1608-221	Chip Ferrite Beads	CTC
HH10D	HUMIDITY SENSOR MODULE	HOPERF

Other Datasheets by Huahong

Part Number	Description

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text

Edited by Foxit PDF Editor Copyright (c) by Foxit Software Company, 2004 For Evaluation Only. HH1621 32 x 4 LCD Driver Features _ Operating voltage: 2.2V~5.2V _ Built-in 256kHz RC oscillator _ External 32.768kHz crystal or 256kHz frequency source input _ Selection of 1/2, 1/3 bias, and selection of 1/2, 1/3, 1/4 duty LCD applications _ Internal time base frequency sources _ Two selectable buzzer frequencies (2/4kHz) _ Built-in time base generator and WDT _ Time base or WDT overflow output _ Power down command available _ 8 kinds of time base/WDT clock sources _ Built-in 32x4 bit display RAM _ 3-wire serial interface.