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| Princeton Technology Corp. VFD Driver Tel : 886-2-29162151 Fax: 886-2-29174598 PT6311 DESCRIPTION PT6311 is a Vacuum Fluorescent Display (VFD) Controller driven on a 1/8 to 1/16 duty factor. 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 PT6311 via a three-line serial interface. It is housed in a 52-pin plastic QFP package and is functionally compatible with pD16311. 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 Functional Compatibility with pD16311 Available in 52-pin QFP Package APPLICATION ! Microcomputer Peripheral Device PT6311 v1.5 Page 1 Updated Feb. 2000 Princeton Technology Corp. VFD Driver Tel : 886-2-29162151 Fax: 886-2-29174598 PT6311 PIN CONFIGURATION Figure 2: PT6311 Pin Configuration PT6311 v1.5 Page 2 Updated Feb. 2000 Princeton Technology Corp. VFD Driver Tel : 886-2-29162151 Fax: 886-2-29174598 PT6311 12-GRID X 16-SEGMENT VFD APPLICATION CIRCUIT PT6311 v1.5 Page 3 Updated Feb. 2000 |
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