Texas Instruments TMS320DM357 - Manual (Page 32)

Service
endpoint 0
Read endpoint 0 CSR
Sent
stall
?
Yes Clear SentStall bit
state −> IDLE
No
No
Set ServicedSetupEnd
state −> IDLE
Setup
end
?
Yes
State
Yes
No
= IDLE
?
IDLE mode
TX mode
No
= TX
?
State
Yes
RX mode = RX*
?
State
Yes
* By default
USB Controller Host and Peripheral Modes Operation www.ti.com
Figure 5. Service Endpoint 0 Flow Chart
Universal Serial Bus (USB) Controller 32 SPRUGH3 – November 2008
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