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PT6955 Datasheet(PDF) 4 Page - Princeton Technology Corp |
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PT6955 Datasheet(HTML) 4 Page - Princeton Technology Corp |
4 / 19 page ![]() Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT6955 V1.5 - 4 - June, 2005 LED Driver IC PT6955 PIN CONFIGURATION PIN DESCRIPTION Pin Name I/O Description Pin No. OSC I Oscillator Input Pin A resistor is connected to this pin to determine the oscillation frequency 1 DIN I Data Input Pin This pin inputs serial data at the rising edge of the shift clock (starting from the lower bit) 2 CLK I Clock Input Pin This pin reads serial data at the rising edge. 3 STB I Serial Interface Strobe Pin The data input after the STB has fallen is processed as a command. When this pin is "HIGH", CLK is ignored. 4 VDD - Power Supply 5, 18 SG1 ~ SG9 O Segment Output Pins (p-channel, open drain) 6 ~ 14 SG10/GR7 ~ SG12/GR5 O Segment Output Pin/Grid Output Pin (CMOS Output) 15 ~ 17 GND - Ground Pin 19, 24 GR4 ~ GR1 O Grid Output Pins (n-channel, open drain) 20 ~ 23 |
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