PT6964

Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw LED Driver IC PT6964 DESCRIPTION PT6964 is an LED Controller driven on a 1/7 to 1/8 duty factor. 10 segment output lines, 4 grid output lines, 3 segment/ grid output lines, one display memory, control circuit, key scan circuit are all incorporated into a single chip to build a highly reliable peripheral device for a single chip microcomputer. Serial data is fed to PT6964 via a three-line serial interface. Housed in a 28 pins SO Package, PT6964 pin assignments and application circuit are optimized for easy PCB Layout and cost saving advantages. FEATURES CMOS Technology Low Power Consumption Multiple Display Modes (10 segment, 7 Grid to 13 segment, 4 Grid) Key Scanning (10 x 2 Matrix) 8-Step Dimming Circuitry Serial Interface for Clock, Data Input, Data Output, Strobe Pins Available in 28 pins, SOP APPLICATIONS Micro-computer Peripheral Device VCR set Combo set www.DataSheet4U.com PT6964 V1.0 -1- April, 2005 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw LED Driver IC PT6964 PIN DESCRIPTION OSC DI/O CLK STB K1 K2 VDD SG1/KS1 SG2/KS2 SG3/KS3 SG4/KS4 SG5/KS5 SG6/KS6 SG7/KS7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 GND GR1 GR2 GND GR3 GR4 GND VDD SG14/GR5 SG13/GR6 SG12/GR7 SG10/KS10 SG9/KS9 SG8/KS8 PT6964 22 21 20 19 18 17 16 15 www.DataSheet4U.com PT6964 V1.0 -2- April, 2005 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.pr...