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| Princeton Technology Corp. VFD Driver/Controller IC DESCRIPTION Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT6355 PT6355 is a Vacuum Fluorescent Display Controller driven 5/16, 6/16, 14/16 and 15/16 duty factors. Eight to Eighteen Segment Output Lines, Seven to Ten Grid Output Lines, Ten Segment/Grid Output Drive Lines, 8-bit x 6-channel A-D Converter, Built-in Noise Filter are all incorporated into a single chip to build a highly reliable peripheral device for a single chip micro-computer. PT6355 also provides 4 serial interfaces via the CS, SIN, SOUT, SCLK Pins. Housed in 44-pin, LQFP Package, PT6355's pin assignment and application circuit are optimized for easy PCB layout and cost saving benefits. FEATURES * * * * * * * * CMOS Technology Internal Pull-Low Resistor 4-Step Dimming Circuitry 8 to 18 Segment Outputs 7 to 10 Grid Outputs Built-in Noise Filter in Serial Clock and Serial Input Pins with 2MHz sampling 8-bit x 6 channels Analog-to-Digital Converter with + 3LSB Accuracy Available in 44-pin, LQFP Package APPLICATION * Micro-Computer Peripheral Device PT6355 v1.2 1 Updated October 2000 Princeton Technology Corp. VFD Driver/Controller IC PIN CONFIGURATION Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT6355 G R 13/S EG 12 GR 15/S EG 10 G R 12/S EG 13 GR 10/S EG 15 G R 14/S EG 11 GR 11 /S EG1 4 G R 9/S EG 16 GR 8/S EG1 7 GR 7/P 7 GR 6/P 6 24 32 31 28 33 30 29 GR 16/SEG 9 GR 17/SEG 8 SEG 7 SEG 6 SEG 5 SEG 4 SEG 3 SEG 2 SEG 1 SEG 0 VCC 34 35 36 37 38 39 40 41 42 43 44 27 26 25 23 GR 5/P 5 22 21 20 19 18 17 16 15 14 13 12 GR 4/P4 GR 3/P3 GR 2/P2 GR 1/P1 GR 0/P0 VEE VEE SCLK SOU T SIN CS OS C1 VSS AN 4 A N1 R ESE T AN 3 O SC 2 VCC PT6355 v1.2 2 AN 5 AN 2 AN 0 Updated October 2000 Princeton Technology Corp. VFD Driver/Controller IC APPLICATION CIRCUIT Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT6355 5V S1 S2 S3 S4 S5 S6 S7 S8 S9 S 10 43 42 40 39 38 36 35 44 22PF 41 37 34 7-G R ID X 18-SE G M E N T V FD 33 32 31 30 S 11 S 12 S 13 S 14 S 15 S 16 S 17 S 18 G7 G6 G5 5V 5V VR VR 100K 29 PT6355 300K 100K 5V 10K 330 5V -2 7 V MCU 12 13 14 15 16 17 18 19 20 21 22 28 27 26 25 100K 24 100K 23 100K 680K G4 G3 G2 G1 PT6355 v1.2 3 Updated October 2000 |
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