VK1628

VK1628 LED IC General Description 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 to build a highly reliable peripheral device for a single chip microcomputer. 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 technology  Low power consumption .Pin Assignment VK1628 VK1668 ver：1.1 www.szvinka.com TEL:13554744703 1 .Pin Description VK1628 LED IC Pin Name I/O Pin Description DIO I/O Data Input Pin : This pin inputs serial data at the rising ed...