AVPro® 5303B

Universal 3-Input A/V Switch Interface

DATA SHEET

Page: 7 of 16

Rev 1.0

Name

Pin

Type

Description

Digital Pins

Dev_Addr

29

I

Device Address Input

Pdwn

28

I

Chip Power Down

SCLK

30

I

Serial Clock Input: This pin accepts a serial port clock input signal.

SDATA

31

I/O

Serial Data Input/Output that can receive or transmit serial data.

Power/Ground Pins

VCC

9,

33,

43

-

+5 VDC power supply pins.

VDD

27

-

+12 VDC power supply pin for function switching circuits.

Vref

20

-

Internal voltage reference, bypass pin. Add capacitor 0.1µF(1.0 µF for better PSRR ) to

ground.

GND

20,

26,

34,

42

-

Ground for all blocks.

Rbias

11

-

Bias point of internal current generator. Add resistor 10.0kΩ(+ 1%) to ground.

Tgen

32

-

Reference point for internal timing circuit. Add capacitor 470pF to ground.

N/C

12

-

No connect.