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How to choose for read FIFO SPI interface for AD6641?

1 How to choose for read FIFO SPI interface for AD6641? In which register of SPI and what values we need to write?

2 How to choose the SPORT interface? In which register of SPI and what values we need to write?

How to initialize a fill command through the SPI port without standby? In which register of SPI and what values we need to write?

4 How to use bits of the register 0x102?

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  • I executed the example procedure exactly as written on this page except that I read_reg(0x10A) after each write.  As stated previously, the status always comes back 0x04 (Over-range) even immediately after write_reg(0x102, 0x04) // Fill Reset.  The only other thing that might be different about my code is that my write_reg() command contains a read_reg to verify the written value.  Do you expect this to cause problems?  Why else might the status always report over-range?  I'll try using a blindwrite command that doesn't verify the written value and see if that helps.