PT6313-S View Datasheet(PDF) - Princeton Technology

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PT6313-S

VFD Driver/Controller IC

Princeton Technology 

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

VFD Driver/Controller IC

PT6313-S

SERIAL COMMUNICATION FORMAT

The following diagram shows the PT6313-S serial communication format. The DOUT Pin is an

N-channel, open-drain output pin; therefore, it is highly recommended that an external pull-up resistor

(1KΩ to 10KΩ) must be connected to DOUT.

Reception (Data/Command Write)

If data continues

STB

DIN

b0

b1 b2

b6

b7

CLK

1

2

3

7

8

Transmission (Data Read)

STB

DIN

CLK

DOUT

b0 b1 b2 b3 b4 b5 b6 b7

1 23456 78

1 234 56

t wait

b0 b1 b2 b3 b4 b5

Data Read Command is set

Data Reading Starts

where: twait (waiting time) > 1µs

It must be noted that when the data is read, the waiting time (twait) between the rising of the eighth

clock that has set the command and the falling of the first clock that has read the data is greater or

equal to 1µs.

PT6313-S V1.2

- 11 -

September, 2005

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