ET6621数据手册ETEK中文资料规格书

描述 Description

The ET6621 is a 128 patterns (32×4), memory mapping, and multi-function LCD driver. The S/W configuration feature of the ET6621 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 MCU and the ET6621. The ET6621 contains a power down command to reduce power consumption.

特性 Features

• Operating voltage: 2.4V~5.2V

• 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 select-able buzzer frequencies (2kHz/4kHz)

• Power down command reduces power consumption

• Built-in time base generator and WDT

• Time base or WDT overflow output

• 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

• Part No. and package