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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
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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
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Microcomputer Peripheral Device
PT6318 v1.2
-1-
January, 2004
PTC [ PRINCETON TECHNOLOGY CORP ]
