EFM32WG Datasheet, PDF (251/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

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Figure 15.8. Transmit Transaction-Level Operation in Slave Mode
Start
Set up the
channel/endpoint
Write 1 packet to the
Transmit FIFO
Rewrite packet to
the Transmit FIFO
Get
No
interrupt?
Yes
No
Get channel/endpoint
interrupt status
Retry
Yes
required?
No
Transfer
complete?
Yes
Done
Figure 15.9. Receive Transaction-Level Operation in Slave Mode
St art
Set up t he
Channel / endpoint
RXFLVL or
No
Yes
Ch/EP int errupt?
Yes
Read Receive
St at us Queue
No
Ret ry
required ?
No
Read t he packet
from the
Receive FIFO
Tr a n sf e r
com plet e?
Yes
Done
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
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