Device Configuration User Guide Agilex™ 3 FPGAs and SoCs

ID 847422
Date 5/23/2025
Public
Document Table of Contents

3.1.4. RBF Configuration File Format

If you do not use the Parallel Flash Loader II IP to program the flash, you must generate the .rbf file.

The data in .rbf file are in little-endian format.

Table 19.  Writing 16-bit DataFor a x16 data bus, the first byte in the file is the least significant byte of the configuration word, and the second byte is the most significant byte of the configuration word.
WORD0 = 1B02

WORD1 = 01EE

LSB: BYTE0 = 02 MSB: BYTE1 = 1B LSB: BYTE2 = EE MSB: BYTE3 = 01
D[7:0] D[15:8] D[7:0] D[15:8]
0000 0010 0001 1011 1110 1110 0000 0001