STM86312_06 datasheet(1/24 Pages) STMICROELECTRONICS

Part #	STM86312

Description	1/4 to 1/11-duty VFD controller/driver

PDF	24 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 24 page

March 2006

Rev 2

1/24

24

STM86312

1/4 to 1/11-duty VFD controller/driver

General features

■

Many display modes (11 segments & 11 digits

to 16 segments & 4 digits)

■

Key scanning (6 x 4 matrix)

■

Dimming circuit (eight steps)

■

High-voltage output (VDD – 35V max)

■

LED ports (4 chs, 20mA max)

■

General purpose input port (4 bits)

■

No external resistor necessary for driver output

(P-channel open drain + pull down resistor

output)

■

Serial interface (CLK, STB, DIN, DOUT)

Description

The STM86312 is a VFD (Vacuum Fluorescent

Display) controller/driver that is driven on a 1/4 to

1/11-duty factor. It consists of 11-segments output

lines, 6 grid output lines, 5 segments/grid output

drive lines, a display memory, a control circuit,

and a key scan circuit. Serial data are input to the

STM86312 through a three-line serial interface.

This VFD controller/driver is ideal as a peripheral

device for a single-chip microcomputer.

PQFP44

www.st.com

Order codes

Part number

Temperature range

Package

Tube

STM86312

-40 to 85 °C

PQFP44

Tray

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STM86312 Datasheet(PDF) 1 Page - STMicroelectronics

STM86312 Datasheet(HTML) 1 Page - STMicroelectronics

Similar Part No. - STM86312_06

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