Author: SrinathS_16 Version: **
Translation - Japanese: FX3のコールドリセット - KBA225773 - Community Translated (JA)
Question:
How does the cold reset feature of FX3 work?
Answer:
FX3 cold reset switches the program control to the default ROM boot-loader at address 0xFFFF0000. This can be achieved using the CyU3PDeviceReset() API with the ‘isWarmReset’ parameter set to CyFalse.
CyU3PDeviceReset(CyFalse);
After a cold reset, the FX3 samples the PMODE lines and loads the firmware from the selected boot source.
Note: When the I2C/SPI boot option is used, make sure that that cold reset is initiated only as part of a user command (for example, vendor command) and not as part of the normal firmware flow as it can cause repeated disconnect/re-connect of the device and failure in enumeration.
