Datasheet > PT6397

PT6397

更新时间： 2024-11-15 06:05:43

品牌	Logo	应用领域
普诚科技 - PTC		驱动控制器时钟
页数	文件大小	规格书
4页	242K
描述
32 Bits VFD Driver Controller with RTC IC

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PT6397 数据手册

PT6397

32 Bits VFD Driver Controller with RTC IC

DESCRIPTION

FEATURES

PT6397 is a Vacuum Fluorescent Display (VFD)

Controller. 32 segment/grid output driver lines, one

display memory, control circuit and RTC circuit are all

incorporated into a single chip to build a highly reliable

peripheral device for a single-chip microcomputer and

STB application. Serial data is fed to PT6397 via a

4-wire serial interface or I²C bus. It is housed in a

52-pin LQFP package.

•

CMOS technology

Multiple display modes: 32 segments/0 grid to 8

segments/24 grids

•

8-step dimming circuitry

3 GPIO ports

4-wire serial interface for clock, data input, data

output and strobe

•

I²C bus interface: 400Kbits/s, slave mode only

RTC circuit:

- Clock counter and calendar counter in BCD

format

APPLICATIONS

•

Microcomputer peripheral devices

STB application

- Alarm function with interrupt

- 12-hour or 24-hour time display system

- Recognize leap year from the year 2000 to 2099

Provides RTC display with two segment

configuration types: 4-timing & 5-timing formats

Provides 32 bits segment/grid driver outputs

No external resistors needed for driver outputs

Crystal oscillator: 4.194304MHz

Internal power-on reset

•

Available in 52-pin LQFP

BLOCK DIAGRAM

Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan

12 3 4

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