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DATA SHEET

MOS INTEGRATED CIRCUIT

PD16312

1/4- to 1/11-DUTY FIP

TM

(VFD) CONTROLLER/DRIVER

The

PD16312 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 circuit. Serial data is input to the

PD16312 through a

three-line serial interface. This FIP controller/driver is ideal as a peripheral device for a single-chip microcomputer.

FEATURES

鈥?Multiple display modes (11-segment & 11-digit to 16-segment & 4-digit)

鈥?Key scanning (6

4 matrix)

鈥?Dimming circuit (eight steps)

鈥?High-voltage output (V

DD



35 V max).

鈥?LED ports (4 chs., 20 mA max).

鈥?General-purpose input port (4 bits)

鈥?No external resistors necessary for driver outputs (P-ch open-drain + pull-down resistor output)

鈥?Serial interface (CLK, STB, D

IN

, D

OUT

)

ORDERING INFORMATION

Part Number

Package

44-pin plastic QFP ( 10)

PD16312GB-3B4

Document No. IC-3307 (1st edition)

Date Published March 1997 P

Printed in Japan

漏

1993

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