8000 I2C Fake tri-state generate a glitch which can be considered as a Start · Issue #405 · eblot/pyftdi · GitHub
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I2C Fake tri-state generate a glitch which can be considered as a Start #405
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#414
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I2C Fake tri-state generate a glitch which can be considered as a Start#405
#414
@renaudwalder

Description

@renaudwalder
renaudwalder
opened on Mar 18, 2025

Using the fake tri-state of the device on an I2c transfer generates a glitch in the SCL and SDA signal.
After some investigation, it comes from the _clk_input_data_input commands.

Replacing this command by _idle command, solves the issue.

Here is some pictures of the stop bits and the glitch.

Glitch after the stop bit

Glitch removed

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