Frequency Measure IP

Frequency Measure IP is an algorithm IP that measures frequency and period of the periodic signal by the frequency counter.
By using this IP, the following electrical characteristics for target devices can be measured and evaluated easily.

  • Frequency measurement of the output clock of device
  • Characterization of the PLL circuit
  • Characterization of the VCO circuit
  • Quality inspection of the crystal oscillator

In addition, by using Multipoint Measurement Plugin, It is easy to measure and evaluate characteristics such as measurement value fluctuation of multiple measurements / maximum value / minimum value / average value / variation for the above measurement.

Revised contents of Rev 2.03.00


  • Can measure the frequency and period for the pin connected to the I/O channel.
  • The following measurements can be made using the frequency counter.
Measure TypeMeasurement contents
FrequencyMeasure the frequency(unit:[Hz]) of measured signal.
PeriodMeasure the period(unit:[s]) of measured signal.
  • Can measure the frequency/period for the specific operating state by executing pattern.

  • Can measure by opening the pin out relay of the I/O pin.

  • Can measure by applying VIH/VIL voltage to the device pins.

  • Measurement values and judgement results can be stored to variables by interpose processing.

  • Can judge the pattern execution result.

  • Can execute the finalization pattern.

  • Can apply the arbitrary waveform synchronized with pattern by Arbitrary Waveform Applying Plugin.

  • Can supply the power from external power supply instruments controlled by GPIB by External Power Supply Control Plugin.

  • Cn measure by multiple pattern execution condition in one test item by Multipoint Measurement Plugin. In addition, Can judge statistical values at each measurement point.

  • Can execute the batch files at each timing of the measurement sequence by Batch File Execution Plugin.

  • By connecting the following IPs, it is able to evaluate and analyze the measurement results while changing the measurement condition.

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Product GroupAlgorithm IP
Applicable Equipment
  • CX1000P CX1000_MCU
  • CX1000D CX1000_MCU
  • CX1000D S2-LINK CX1000_MCU
Multipoint Measurement Plugin

Shmoo Plot Tool

External Power Supply Control Plugin

Shmoo Algorithm

Arbitrary Waveform Applying Plugin

Generic Search IP

Batch File Execution Plugin


Released atNumberDescription
May 29, 20202.03.00
September 18, 20192.02.00
March 13, 20182.01.00
  • Added the function to output the comments and variable values to header of data log.
  • Fixed an issue that an error occurred at execution when [Acquisition Count] was the initial value without editing by using Multipoint Measurement Plugin.
  • Fixed an issue that an error occurred when executing the measurement after address specification was switched from label to variables in [Measurement Table] by using Multipoint Measurement Plugin.
  • Supported External Power Supply Control Plugin R1.02.01.
  • Fixed an issue that the wait time of [(7-1) Wait] was not displayed correctly in the detail sequence log displayed by [Show measurement sequence to console].
December 05, 20172.00.00
  • Add the function of period measurement.
  • Add the function to set measurement range and limit values for each measurement pin.
  • Add the Measurement Setting tab. Can describe the multiple measurement conditions.
  • Add the function to judge the execution result of pattern.
  • Add the function to open the pin out relay of the I/O pins before measurement.
  • Add the function to apply the VIH/VIL voltage to the device pins.
  • Add the function to set wait time in measurement sequence.
  • Support Multipoint Measurement Plugin.
  • Support External Power Supply Control Plugin.
  • Support Arbitrary Waveform Applying Plugin.
January 29, 20161.02.00
  • The product name is changed from [Frequency Measurement] to [Frequency Measure IP].
  • The method of describing the measurement condition was united to the International System of Units.
  • Add the function of measuring multiple pin (specify the pin group name).
  • Improve the function to check the measurement condition setting.
  • Add the function of [Waittime Before Measurement].
  • Can measure the frequency with a loop execution of MAIN pattern.
  • Can measure the frequency without changing the pattern program when using loop function.
  • Address range of loop execution of pattern that is used in frequency measurement is unrestricted.
  • Add the Document tab.
    • The Document tab has the buttons for displaying the reference manual and revision history.

If contract with old product name is change procedure of contract associated with the product name change is not required.

In previous revision, [Parameters] tab is not comformed to the International System of Units. In this revision, [Parameters] tab will be comformed to the International System of Units. Please correct the work project according to the following table before revision up.

Wrong case Correct case Example
K(capital letter) as kilo k(small letter) 100KHz -> 100kHz
S(capital letter) as second s(small letter) 100mS → 100ms
February 02, 20151.01.00
  • Support IP Manager
  • Change log output format
February 22, 20131.00.00

First edition