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Altera_Forum
Honored Contributor
Honored ContributorConfiguring ADC using FPGA
I am trying to configure an ADC using an FPGA. I can read the default values from the ADC register properly, but I'm unable to write to those registers. The fpga clock is 48 MHz and serial clock ...
Altera_ForumHonored Contributor
Honored Contributor --- Quote Start --- SPI CS is permanently tied low which is valid according to the datasheet. --- Quote End --- Ok. That fact was not mentioned in your post, so I wanted to check. --- Quote Start --- The only change between reading and writing is the number of bits sent to the ADC. The ADC is able to decode the address I send it, otherwise I would not read the correct values back. --- Quote End --- Are you sending the right values for the W1/W0 fields? Cheers, Dave
