The Nintendo DS has 802.11b wireless networking hardware capable of communicating at 2 Mbps.

Wireless Protocols

• DS Download Play (Wireless MultiBoot) Protocol
• Pictochat Protocol?

Wireless Hardware

Sgstair has completed a draft document on the wireless hardware in the Nintendo DS, for all to enjoy.

Memory Regions

Notes:

• The MAC memory is general purpose RAM, read/writable as halfwords.
• The passive mirrors do not trigger action on reads (e.g. the read FIFO at 0x04800060 does not pop a value when read via a mirror)
• This pattern is mirrored all the way to 0x04FFFFFF.

For more information:

• Wireless Basics
• Register List
• Operation
• Wifi Standard (off-site link)
• Packet Captures