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I've read through the Spansion app note, but there is not much relevant information there.
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You found the Check ID but for .rpd generation, so that must be what I was recalling. I'm pretty sure you are supposed to be using the .rpd file format, not the .rbf.
What are you using to program your flash device? Are you using a USB-Blaster via a 10-pin JTAG header, or are you using custom code? If you are using custom code, then keep in mind that the AS data stream needs its bytes in LSB-to-MSB order, whereas SPI Flash uses MSB-to-LSB. That means you have to send SPI Flash opcodes in MSB-to-LSB order, but you need to reverse the data bytes written to the flash.
Cheers,
Dave
Honored Contributor
