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www.pericom.com

07/08/15

PI3VST01

HPD signal Generator for VGA

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Pinout Table

Pin #

Pin Name

I/O Type Description

1

GND

Ground

Ground

2

Power

5V ± 10% power rail

3

BIN

I

Blue input from VGA source

4

VSYNC

I

Vertical Synchronization signal, internal 250KOhm pulldown

8

HPD_OUT O

Open drain output, telling the system the status of the external VGA monitor. If VGA

monitor is present, this pin will be pulled low. If VGA monitor is not present, this pin will

be Hi-z

7

Power

3.3V ± 10% power rail

6

BOUT

O

Blue output to VGA connector

5

Rref

I/O

Determines IC mode in terms of impedance detection levels. connect to external resistor

to GND. Resistor values can be determined by looking at truth table

15-0090