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PT6318 v1.2

- 1 -

January, 2004

VFD Driver/Controller IC

PT6318

DESCRIPTION

PT6318 is a Vacuum Fluorescent Display (VFD) Controller driven on a 1/8 to 1/16 duty factor housed in

52-pin plastic QFP Package. Twelve segment output lines, 8 grid output lines, 8 segment/grid output

drive lines, one display memory, 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 PT6318

via a three-line serial interface.

FEATURES

• CMOS Technology

• Low Power Consumption

• Key Scanning (12 x 4 matrix)

• Multiple Display Modes: (12 segments, 16 digits to 20 segments, 8 digits)

• 8-Step Dimming Circuitry

• LED Ports Provided (5 channels, 20 mA max.)

• 4- Bits General Purpose Input Ports Provided

• Serial Interface for Clock, Data Input, Data Output, Strobe Pins

• No External Resistors Needed for Driver Outputs

• Available in 52-pin QFP Package

APPLICATION

• Microcomputer Peripheral Device