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I am using the EZ-USB FX3 development board. I want to download firmware image to I2C EEPROM, but ,it always show Promgramming of I2C EEPROM Failed. the EEPROM is 24LC1025.(I tested it with UsbI2CDmaMode,the chip works well ) SW25=off,off,on,on. SW40=on,on,off,off. J42 and J45 pins 1-2 are shorted on the DVK board. And,the size of img is less than 128KB. ie USBBulkLoopAuto.img=121KB
Can you use a still smaller image just to verify that this is not a size issue. You can build the project in release mode so that the size of the .img is smaller.
Also please Note: While generating .img from the elf file, you need to call the elf2img utility with the EEPROM configuration. I see that you are using a different EEPROM, so have you taken care of this?