Цитирую. Правда из даташита другого Wi-Fi модуля (MRF24WB0MA). Обратите внимание на статус этого: Not Recommended for new designs. http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en548014
The
Microchip PIC microcontroller communicates with the
module through a command API from within the
Microchip TCP/IP stack. The command API is
detailed in the Microchip TCP/IP stack online help
that is included in the free Microchip Application
Libraries download.