LMK04000BEVALXO National Semiconductor, LMK04000BEVALXO Datasheet - Page 19

• Manufacturer Part Number: LMK04000BEVALXO
• Description: BOARD EVAL PREC CLOCK PLL XO
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LMK04000BEVALXO

• Main Purpose: Timing, Clock Conditioner
• Embedded: No
• Utilized Ic / Part: LMK04000
• Primary Attributes: 122.88 MHz Crystal
• Secondary Attributes: Integrated PLL & VCO
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

The PLL1 tab allows the user to change:
Note that the value entered in the Reference Oscillator frequency field on the PLL1 tab must match the
Reference Oscillator frequency entered on the PLL2 tab.
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External VCXO (or XTAL oscillator) frequency. Note: This value must be entered in both the
PLL1 and PLL2 tabs.
PLL1 Phase detector frequency
PLL1 R-counter value
PLL1 N-counter value
CLKin (Reference) oscillator frequency
PLL1 Phase Detector polarity (external VCXO tuning slope)
PLL1 Charge pump gain
PLL1 Charge pump state.
L M K 0 4 0 X X
E V A L U A T I O N
Figure 12. PLL1 tab.
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B O A R D
O P E R A T I N G
I N S T R U C T I O N S