February 2007

P1707A

rev 1.2

Notebook LCD Panel EMI Reduction IC

2 of 7

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

Pin Configuration

Pin Description

Pin#

Pin Name

Type

Description

1

CLKIN

I

Connect to externally generated clock signal. To put the part into standby mode,

disable the input clock signal to this pin and pull SSON/SBM (pin 5) low. Refer

Standby Mode Selection Table.

2

VDD

P

Connect to +3.3V. (Place a decoupling 0.1µF close to pin and ground)

3

VSS

P

Ground Connection. Connect to system ground.

4

ModOUT

O

Spread spectrum clock output.

5

SSON/SBM

I

Spread Spectrum On/Off and standby mode control. Refer Standby Mode

Selection Table. This pin has an internal pull-up resistor.

6

SR1

I

Digital logic input used to select Spreading Range. Refer Spread Spectrum

Selection Table. This pin has an internal pull-up resistor.

7

SR0

I

Digital logic input used to select Spreading Range. Refer Spread Spectrum

Selection Table. This pin has an internal pull-up resistor.

8

NC

-

No connect.

Standby Mode Selection

CLKIN

SSON/SBM

Spread

Spectrum

ModOUT

PLL

Mode

Disabled

0

N/A

Disabled

Disabled

Standby

Disabled

1

N/A

Disabled

Free Running

Free Running

Enabled

0

Off

Reference

Disabled

Buffer out

Enabled

1

On

Normal

Normal

Normal

Spread Range Selection

SR1

SR0

Spreading Range

Modulation Rate

0

0

± 1.50%

0

1

± 2.50%

1

0

± 0.50%

1

1

± 1.00%

SSON/SBM

1

2

3

4

5

6

7

8

P1707A

CLKIN

VDD

VSS

ModOUT

SR1

SR0

NC