I have a DC block in 5.23 format connected to a readback block whose default format is 5.19. I can change the format of the readback block in SigmaStudio to 1.23. However, when I write a 5.23 value to the DC block and read it back (supposedly in 1.23 format), the 4 LSBs are truncated as if the readback format were still 5.19. I am doing the reads under control of my microcontroller.
Is there something I'm missing? Here's my project: