October 2003

P1817A/B

rev 1.0

Low Frequency EMI Reduction

4 of 10

Notice: The information in this document is subject to change without notice.

Schematic for Notebook VGA Application

1

. To set the P1817 to standby mode, disable the input clock (pin 1 CLKIN), and pull pin 4 SSON/SBM low.

VDD

1

VDD

VDD

2

3

4

5

6

7

8

Ferrite

Bead

0.1µF

0

Ω

0

Ω

0

Ω

0

Ω

CLKIN/

XIN

VSS

SR0

SSON/

SBM

ModOUT

REF

VDD

XOUT

Use either pull-up or pull-down

resistors with 0Ω.

Pull pin 4 low to turn Spread Spectrum

10 to 20 MHz and 20 to 32 MHz EMI

reduced clock output.

P1817A/B