LED Display and Keyboard Controller

General Description

The BCT72328S is a LED Display Driver and Key Scan with 8-steps digital dimming control. Ten segment output lines, seven grid output lines, one display memory (14 bytes), control circuit, key scan circuit are all incorporated into a single chip to build a highly reliable peripheral device for a single chip micro computer. Serial data is fed to BCT72328S via a four-line serial interface (DIN, STB, CLK and DOUT).

Differences with respect to uPD16312 VFD Driver

• No LED Ports supported
• No GPIO's supported
• Less Segments and Grids output lines
• No negative and 3.3V voltage supply required

 Features

• CMOS Technology
• Low Power Consumption
• Key Scanning (10 x 2 matrix)
• Multiple Display Modes:
  11 segments, 6 digits to
  10 segments, 7 digits
• 8-Steps Dimming Circuitry
• Serial Interface for Clock, Data Input, Data Output, Strobe Pins
• No External Resistors Needed for Driver Outputs
• Available in Pb-free SOP28 package or die

Applications

• Front Panel Display for DVD Player and VCD player
• Boom-box system and Electrical Appliance

Package

Data Overview Download [pdf]

Full Datasheet Download [pdf]