VK1628 Datasheet (Yongjia)

VK1628, LCD Driver

VK1628(SOP 28) / VK1668(SOP 24) is an LED Controller driver with key scan function .

Ten segment output lines, four grid output lines, Three segment/grid output lines , display memory, pulse width control circuit , key scan circuit , 3 wire interface circuit are all incorporated into a single chip t

VK1628 Features

* Multiple Display Modes (10 segment X 7 Grid to 13 segment X 4 Grid)

* Key Scanning (10 x 2 )

* 8 step Dimming adjustment

* Build-in RC oscillator

* Serial interface for clock, data Input/ output, strobe pins

* SOP28 package (VK1628) / SOP24 package(VK1668)

* CMOS techno