MK1709
Low EMI Clock Generator
Pin Descriptions (MK1709S)
Pin
Number
1
2
3
4
5
6
7
8
Pin
Name
ICLK
VDD
GND
CLK
LEE
S0
S1
S2
Pin Type
Pin Description
Input
Power
Power
Output
Input
Input
Input
Input
Connect to graphics input clock.
Connect to +3.3 V.
Connect to ground.
Spread spectrum clock output per table above.
Low EMI enable. Turns on spread spectrum when high. Internal pull-up resistor.
Function select 0 input. Selects spread amount and direction per table above.
Internal mid-level.
Function select 1 input. Selects spread amount and direction per table above.
Internal mid-level.
Function select 2 input. Selects spread amount and direction per table above.
Pin Descriptions (MK1709AG)
Pin
Number
1
2
3
4
5
6
7
8
Pin
Name
GND
CLK
LEE
S0
S1
S2
ICLK
VDD
Pin Type
Pin Description
Power
Output
Input
Input
Input
Input
Input
Power
Connect to ground.
Spread spectrum clock output per table above.
Low EMI enable. Turns on spread spectrum when high. Internal pull-up resistor.
Function select 0 input. Selects spread amount and direction per table above.
Internal mid-level.
Function select 1 input. Selects spread amount and direction per table above.
Internal mid-level.
Function select 2 input. Selects spread amount and direction per table above.
Connect to graphics input clock.
Connect to +3.3 V.
MDS 1709 D
3
Revision 031204
Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com