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8XC196K x , J x , CA USER'S MANUAL
No
TX_REQ=1?
MSGLST=0?
NEWDAT := 0
Load identifer and
control into buffer
Send remote frame
No
Transmission
successful?
TX_REQ := 0
RMTPND:= 0
No
TXIE = 1?
INT_PND := 1
Figure 12-24. Receiving a Message — CAN Controller Flow
12-38
Bus idle?
Yes
Yes
MSGLST := 1
Yes
Yes
No
Received frame with
same identifer as this
message object?
Yes
NEWDAT = 1?
Store message
NEWDAT := 1
TX_REQ := 0
RMTPND := 0
RXIE = 1?
Yes
INT_PND := 1
No
No
A2598-01
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