VK1628 Overview
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 microputer.
VK1628 Key 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