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PT6315-S Datasheet(PDF) 11 Page - Princeton Technology Corp |
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PT6315-S Datasheet(HTML) 11 Page - Princeton Technology Corp |
11 / 20 page Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT6315-S V1.9 - 11 - September, 2005 VFD Driver/Controller IC PT6315-S SERIAL COMMUNICATION FORMAT The following diagram shows the PT6315-S serial communication format. The DOUT Pin is an N-channel, open-drain output pin, therefore, it is highly recommended that an external pull-up resistor (1KΩ to 10KΩ) must be connected to DOUT. RECEPTION (DATA/COMMAND WRITE) ST B DIN CL K If d ata c o ntin u e s b0 b1 b 2 b 6 b7 12 37 8 TRANSMISSION (DATA READ) ST B DIN CL K DO U T b0 b1 b 2 b 3 b4 b 5 b6 b 7 12 34 5 67 8 12 3 4 5 6 b0 b1 b2 b 3 b4 b5 D a ta R e ad C o m m an d is s e t D a ta R e ad in g Sta rts t wait where: twait (waiting time) ≥ 1µs It must be noted that when the data is read, the waiting time (twait) between the rising of the eighth clock that has set the command and the falling of the first clock that has read the data is greater or equal to 1µs. |
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