W5500 Datasheet, PDF (25/65 Pages) List of Unclassifed Manufacturers – Supports 8 independent sockets simultaneously

2.4.1 Write Access in FDM
1 Bytes WRITE Access
Figure 14. 1 Byte Data Write SPI Frame in FDM mode
2 Bytes WRITE Access
Figure 15. 2 Bytes Data Write SPI Frame in FDM mode
4 Bytes WRITE Access
Figure 16. 4 Bytes Data Write SPI Frame in FDM mode
W5500 Datasheet Version1.0 (August 2013)
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