AVPro® 5303B
Universal 3-Input A/V Switch Interface
DATA SHEET
PIN DESCRIPTIONS
(Continued)
Name
Digital Pins
Dev_Addr
Pdwn
SCLK
SDATA
VCC
Pin
29
28
30
31
9,
33,
43
27
20
20,
26,
34,
42
11
32
12
Type
I
I
I
I/O
-
Description
Device Address Input
Chip Power Down
Serial Clock Input: This pin accepts a serial port clock input signal.
Serial Data Input/Output that can receive or transmit serial data.
+5 VDC power supply pins.
Power/Ground Pins
VDD
Vref
GND
-
-
-
+12 VDC power supply pin for function switching circuits.
Internal voltage reference, bypass pin. Add capacitor 0.1µF(1.0 µF for better PSRR ) to
ground.
Ground for all blocks.
Rbias
Tgen
N/C
-
-
-
Bias point of internal current generator. Add resistor 10.0kΩ(+ 1%) to ground.
Reference point for internal timing circuit. Add capacitor 470pF to ground.
No connect.
Page: 7 of 16
©
2005 TERIDIAN Semiconductor Corporation
Rev 1.0
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
