Description 

VK1622B is a LCD controller with 32x8 memory mapping driver. It is especially designed for low power operation, extra timer function, and simple control interface and so on. These make VK1622B most suitable for the MCU application.

Features

Operating voltage 2.7V-5.5V

Clock sources - built-in 32768Hz oscillator or external clock

Simple control interface with multiple functions

Timer function output

Two kinds of fixed buzzer frequency output

Externally adjustable LCD voltage pin

32 segment / 8 common LCD drivers with memory mapping

1/8 LCD duty

F

1/4 LCD bias with built-in R-type driver

Externally adjustable LCD bias driver pins