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CAN Controller (CAN)
Chapter 19
Preliminary User’s Manual U17566EE1V2UM00
<6> ACK field
The ACK field is used to acknowledge normal reception.
Figure 19-11
ACK field
Note
D: Dominant = 0
R: Recessive = 1
• If no CRC error is detected, the receiving node sets the ACK slot to the
dominant level.
• The transmitting node outputs two recessive-level bits.
<7> End of frame (EOF)
The end of frame field indicates the end of data frame/remote frame.
Figure 19-12
End of frame (EOF)
Note
D: Dominant = 0
R: Recessive = 1
R
D
ACK
s
lot
(1
b
it)
ACK delimiter
(1
b
it)
ACK field
(End of fr
a
me)
(CRC field)
R
D
End of fr
a
me
(7
b
it
s
)
(Interfr
a
me
s
p
a
ce or overlo
a
d fr
a
me)
(ACK field)
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