Low EMI Clock Generator

MDS 1709 D

3

Revision 031204

Integrated Circuit Systems, Inc.

MK1709

Pin

Number

Pin

Name

Pin Type

Pin Description

1

ICLK

Input

Connect to graphics input clock.

2

VDD

Power

Connect to +3.3 V.

3

GND

Power

Connect to ground.

4

CLK

Output

Spread spectrum clock output per table above.

5

LEE

Input

Low EMI enable. Turns on spread spectrum when high. Internal pull-up resistor.

6

S0

Input

Function select 0 input. Selects spread amount and direction per table above.

Internal mid-level.

7

S1

Input

Function select 1 input. Selects spread amount and direction per table above.

Internal mid-level.

8

S2

Input

Function select 2 input. Selects spread amount and direction per table above.

Pin

Number

Pin

Name

Pin Type

Pin Description

1

GND

Power

Connect to ground.

2

CLK

Output

Spread spectrum clock output per table above.

3

LEE

Input

Low EMI enable. Turns on spread spectrum when high. Internal pull-up resistor.

4

S0

Input

Function select 0 input. Selects spread amount and direction per table above.

Internal mid-level.

5

S1

Input

Function select 1 input. Selects spread amount and direction per table above.

Internal mid-level.

6

S2

Input

Function select 2 input. Selects spread amount and direction per table above.

7

ICLK

Input

Connect to graphics input clock.

8

VDD

Power

Connect to +3.3 V.