Time sequence measurement method and device
A timing measurement and timing technology, applied in the field of measurement, can solve problems such as cumbersome operation, damaged components, and low test efficiency
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Embodiment 1
[0047] According to an embodiment of the present invention, an embodiment of a timing measurement method is provided. It should be noted that the steps shown in the flow chart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and, Although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.
[0048] figure 1 is a flow chart of a method for timing measurement according to an embodiment of the present invention, the method is applied to a micro control unit, such as figure 1 As shown, the method includes the following steps:
[0049] Step S102, setting the timer preset time to interrupt once;
[0050] In the embodiment of the present invention, the MCU system clock is 72M, and the 48-fold frequency division is given to the timer. The timer is 16 bits and is in an up-counting mode. Once the timer is ena...
Embodiment 2
[0081] The embodiment of the present invention also provides a timing measurement device. The timing measurement device is applied to a micro control unit and is mainly used to implement the timing measurement method provided in the above content of the embodiment of the present invention. The following provides the embodiment of the present invention The timing measurement device is introduced in detail.
[0082] Figure 4 is a schematic diagram of a timing measurement device according to an embodiment of the present invention, such as Figure 4 As shown, the device for timing measurement mainly includes a setting module 10, a judgment module 20, a backup module 30, an acquisition module 40 and a calculation module 50, wherein:
[0083] The setting module is used to set the timer preset time to interrupt once;
[0084] The judgment module is used for judging the configuration state of the sequence to be tested if the test trigger condition of the sequence to be tested is ge...
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