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UCD90124 "store all to flash" sometimes required twice.

doug gardner
Prodigy 30 points
Other Parts Discussed in Thread: UCD90124

Hi,

I have been using the Fusion GUI (1.8.58.1) and the UCD90124EVM to load a saved design (project file .xml) and then program blank UCD90124 parts. This method is using the SMBus on the UCD90124EVM. 

 First, when using Fusion, and doing store all to flash to save the design that has been written to the device's registers, sometimes I have to do the store all to flash twice to get the design to be permanent (persistent after a power cycle).

Does anyone have any ideas or has seen this?

BTW it is inconsistent, sometimes I only need to write the settings to the device and do a store all to flash once.

I get the same issue using an Arrdvark I2C programmer and an i2c script exported from Fusion, I also have the same result where I have to load the registers and  perform a store all to flash twice to get the design to be persistent after a power cycle.

Thanks,

Doug Gardner