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PT6955 V1.5

- 3 -

June, 2005

LED Driver IC

PT6955

INPUT/OUTPUT PORT CONFIGURATION

The schematic diagrams of the input and output circuit of the logic section are shown below.

Input Pins: CLK, STB & DIN

Output Pins: SG10/GR7, SG11/GR6, SG12/GR5

GND

VDD

GND

Output Pins: GR1 to GR4

Output Pins: SG1 to SG9

VDD

GND

VDD

GND