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Sundance SMT391-VP User Manual

Page 18

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Version 1.3

Page 18 of 41

SMT391-VP User Manual

Rf_Frequency: the frequency of the RF part of the PLL. This is the sampling
frequency of the ADC.

If_Frequency: the frequency of the IF part of the PLL. This parameter must be zero.

*if_r, *if_n, *rf_r, *rf_n: the calculated values are returned into these variables. Refer
to the LMX2330U user guide for the details of the registers.

Library SY89430V

SY89430V_Parameters()

This function generated the parameters to use to configure the SY89430V
component for the requested frequency.

Prototype

unsigned int SY89430V_Parameters (unsigned int frequency);

Return value

The value to use the configure the SY89430V for the specified frequency. The value
returned should be written in the clock synthesiser setup register
(SMT391_ADJ_CLK_CNTRL_REG).

Parameters

Frequency: the requested frequency.