Intel Agilex® 7 General-Purpose I/O User Guide: M-Series

ID 772138
Date 12/04/2023
Public
Document Table of Contents

6.4.2. Data Bit-Order for Data Interface

Figure 32. Data Bit-Order ConventionThis figure shows the bit-order convention for the din, dout and oe data signals.


  • If the data bus size value is SIZE, the LSB is at the right-most position.
  • If the data bus size value is 2 × SIZE, the bus is made of two words of SIZE.
  • If the data bus size value is 4 × SIZE, the bus is made of four words of SIZE.
  • The LSB is in the right-most position of each word.
  • The right-most word specifies the first word going out for output buses and the first word coming in for input buses.