lancef Publish time 2019-5-14 01:09:21

4032L I2C data display issue

When the Sample Rate is above 40 MS/s the software (Hantek4032L Ver 1.0.4) fails to display the I2C data unless the display is zoomed in further than necessary to fit the data into the character time.   This makes it impossible to view more than 1 character with high sample rates.And with a 400MS/s sample rate the I2C data doesn't appear on any zoom setting.


Sample Rate (MS/s)
|||   Min Zoom (uS/Div)
|||   ||
vvv   vv
20   20
50   16
80   10
100       8
160    4.8
200       4
320    2.5
400    none


-lance

amy Publish time 2019-5-25 16:10:45

When the sampling rate is about 8 times of the minimum periodic waveform frequency, it is the most suitable one.
After choosing a high sampling rate, there are only a lot of sampling points in the cycle, but the time length of IIC data is unchanged.
If the storage depth is unchanged, if the sampling rate is high, the time length of the collected data will be shorter, and it may not be able to complete a complete data acquisition. This makes decoding impossible.
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