PT6955 - PTC

PT6955 LED Driver IC

Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT6955 PT6955 is an LED Controller driven on a 1/4 to 1/7 duty factor. Twelve/nine segment output lines, 4 to 7 grid output lines, one display memory, control circuit are all incorporated into a single chip to build a highly reliable peripheral device for a single chip microcomputer.

Features

• CMOS Technology
• Low Power Consumption
• 8-Step Dimming Circuitry
• Serial Interface for Clock, Data Input, Strobe Pins
• Available in 24-pin, SO Package APPLICATION
• Micro-computer Peripheral Device PT6955 v1.2 Page 1 Updated December 2001 Princeton Technology Corp. LED Driver IC PIN CONFIGURATION Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT6955 OSC DIN CLK STB VDD SG1 SG2 SG3 SG4 SG5 SG6 SG7 GND GR1 GR2 GR3 GR4 GND VDD SG12/GR5 SG11/GR6 SG10/GR7 SG9 SG8 PT6955 v1.2 Page 2 Updated December 2001 Princeton Technology Corp. LED Driver IC APPLICATI.