STFPC311
Features
■ IC front panel controller/driver
■ Timing power standby management controller
■ IC power supply from 3.3V (VDD) to –30V (VSS)
■ Integrated VFD driver and controller
■ Infrared (IR) Remote Control (RC) Decoder
(Philips or NEC format)
■ Drives many display modes (12 segments/16
digits to 20 segments/8 digits)
■ High voltage outputs (VDD - 33.3V max)
■ No external resistors necessary for driver
outputs (P-channel open-drain with pull-down
resistor outputs)
■ Key scanning (up to 12mm x 2mm matrix)
■ LED ports (4 channels, 20mA, max)
■ Serial interface (STB, CLK, DIN, and DOUT)
communication protocol
■ Dimming circuit (adjustable up to 8 steps)
■ Supports auto-increment of display digit, which
lightens the load on the MCU
■ Programmable 8 hot keys for the IR remote
control command
■ Programmable 8 hot keys for key scan
command
■ Low power consumption in standby mode
■ 2 general-purpose input ports (SW1, SW2)
■ Available in PQFP-52 package
