Datasheet

Figure 48-6. Control Packet Tx Device Protocol: Start
Init
GoTo
Idle
State = Idle
Packet
ready
to send
?
Send Command = NoData
no
Send Data = 0x00000000
Receive
RxStatus
yes
State =
Start
RxStatus ==
ReceiverProtocolError
?
yes
†
Report Protocol Error
t
o Application
no
* Application
request break
?
no
yes
*
Supporting application
Break
requests other than after an
RxStatus of ReceiverBusy is optional.
Send Command = ControlStart
Send Data = first quadlet
Receive RxStatus
Send Command = ControlBreak
Send Data = 0x00000000
Ignore
RxStatus
yes
RxStatus ==
ReceiverBusy
?
no
RxStatus ==
ReceiverBreak
?
yes
Report Break
t
o Application
no
RxStatus ==
ReceiverProtocolError
?
no
yes
†
Report Protocol
Error
to Application
†
If a ReceiverProtocolError is received in the
Idle or Start state following a ControlEnd
command, the protocol error is being
First quadlet sent successfully
GoTo Next
r
eported for the previous packet.
SAM E70/S70/V70/V71 Family
Media Local Bus (MLB)
© 2019 Microchip T
echnology Inc.
Datasheet
DS60001527D-page 1340