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| Princeton Technology Corp. VFD Driver/Controller IC Tel : 886-2-29162151 Fax: 886-2-29174598 PT6315 DESCRIPTION PT6315 is a Vacuum Fluorescent Display (VFD) Controller driven on a 1/4 to 1/12 duty factor. Sixteen segment output lines, 4 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 PT6315 via a three-line serial interface. It is housed in a 44-pin, LQFP Package. FEATURES H H H H H H H H H CMOS Technology Low Power Consumption Key Scanning (16 x 2 matrix) Multiple Display Modes: (16 segments, 12 digits to 24 segments, 4 digits) 8-Step Dimming Circuitry LED Ports Provided (4 channels, 20 mA max.) Serial Interface for Clock, Data Input, Data Output, Strobe Pins No External Resistors Needed for Driver Outputs Available in 44-pin, LQFP Package APPLICATION H Microcomputer Peripheral Device PT6315 v1.0 1 Updated August 2000 Princeton Technology Corp. VFD Driver/Controller IC Tel : 886-2-29162151 Fax: 886-2-29174598 PT6315 LED1 LED2 LED3 LED4 OSC DOUT DIN CLK STB K1 K2 VSS VDD GR1 GR2 GR3 GR4 SG24/GR5 SG23/GR6 SG22/GR7 SG21/GR8 SG20/GR9 PIN CONFIGURATION SG19/GR10 SG18/GR11 SG17/GR12 VEE SG16/KS16 SG15/KS15 SG14/KS14 SG13/KS13 SG12/KS12 SG11/KS11 SG10/KS10 PT6315 v1.0 VSS VDD SG1/KS1 SG2/KS2 SG3/KS3 SG4/KS4 SG5/KS5 SG6/KS6 SG7/KS7 SG8/KS8 SG9/KS9 Figure 2: PT6315 Pin Configuration 2 Updated August 2000 Princeton Technology Corp. VFD Driver/Controller IC Tel : 886-2-29162151 Fax: 886-2-29174598 PT6315 ORDER INFORMATION Valid Part Number PT6315 Package 44 pins, LQFP PT6315 v1.0 3 Updated August 2000 Princeton Technology Corp. VFD Driver/Controller IC Tel : 886-2-29162151 Fax: 886-2-29174598 PT6315 APPLICATION CIRCUIT V cc G9 G8 G7 G6 G5 G4 G3 G2 G1 VCC 44 330 330 32 330 31 330 30 29 56K 43 42 41 40 39 38 37 36 35 34 33 9 -G R ID X 1 9 - S E G M E N T V F D S19 S18 S17 S16 S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 10K -V E E M CU PT6315 12 13 14 15 16 17 18 19 20 21 22 28 27 26 25 24 23 V cc 10K 10K PT6315 v1.0 4 Updated August 2000 |
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