uPD16312 VFD CONTROLLER/DRIVER

uPD16312 VFD CONTROLLER/DRIVER

The µPD16312 is a FIP (Fluorescent Indicator Panel, or Vacuum Fluorescent Display) controller/driver that is driven on a 1/4- to 1/11- duty factor. It consists of 11 segment output lines, 6 grid output lines, 5 segment/grid output drive lines, a display memory, a control circuit, and a key scan circ.

Features

• Multiple display modes: 11-segment & 11-digit to 16-segment & 4-digit
• Key scanning: 6 x 4 matrix
• Dimming circuit: 8 steps
• High-withstanding-voltage output: VDD − 35 V MAX.
• LED ports: 4 ch, 20 mA MAX.
• General input port: On-chip 4 bit
• No external resistors necessary for driver outputs: P-ch open-drain + pull-down resistor output
• Serial interface: CLK, STB, DIN, DOUT ORDERING INFORMATION Part Number µPD16312GB-3B4, µPD16312GB-3BS Package 44-pin Plastic QFP (10 x 10) The information in this document is subject to change without notice. Before using this document, please confir.