PT6312B

Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw www.DataSheet4U.com VFD Driver/Controller IC PT6312B DESCRIPTION PT6312B is a Vacuum Fluorescent Display (VFD) Controller driven on a 1/4 to 1/11 duty factor. Eleven segment output lines, 6 grid output lines, 5 segment/grid output drive 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 micro computer. Serial data is fed to PT6312B via a three-line serial interface. It is housed in a 44-pin plastic LQFP Package and is functionally compatible with µpD16312. FEATURES CMOS Technology Low Power Consumption Key Scanning (6 x 4 matrix) Multiple Display Modes: (11 segments, 11 digits to 16 segments, 6 digits) 8-Step Dimming Circuitry LED Ports Provided (4 channels, 20 mA max.) 4- Bits General Purpose Input Ports Provided Serial Interface for Clock, Data Input, Data Output, Strobe Pins No External Resistors Needed for Driver Outputs Functional Compatibility with µpD16312 Available in 44-pin, LQFP Package APPLICATIONS Microcomputer Peripheral Devices PT6312B v1.1 -1- January, 2004 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw www.DataSheet4U.com VFD Driver/Controller IC PT6312B PIN CONFIGURATION PT6312B PT6312B v1.1 -2- January, 2004 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw www.DataSheet4U.com VFD Drive...