CHAPTER 19 FCAN CONTROLLER (V850/SC3)
User’s Manual U15109EJ3V0UD
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<6> ACK field
The ACK field is used to confirm normal reception.
Figure 19-19. ACK Field
R
D
ACK slot
(1 bit)
ACK delimiter
(1 bit)
ACK field
(End of frame)
(CRC field)
Remark
D: Dominant = 0
R: Recessive = 1
•
If no CRC error is detected, the receiving node set 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 19-20. End of Frame (EOF)
R
D
End of frame
(7 bits)
(Interframe space or overload frame)
(ACK field)
Remark
D: Dominant = 0
R: Recessive = 1