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Chapter 16
FCAN Controller
User’s Manual U16702EE3V2UD00
<6> ACK field
The ACK field is used to acknowledge normal reception.
Figure 16-11:
ACK Field
Remark:
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 16-12:
End of Frame (EOF)
Remark:
D: Dominant = 0
R: Recessive = 1
R
D
ACK slot
(1 bit)
ACK delimiter
(1 bit)
ACK field
(End of frame)
(CRC field)
R
D
End of frame
(7 bits)
(Interframe space or overload frame)
(ACK field)
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