Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 20 CAN CONTROLLER
R01UH0042EJ0500 Rev.5.00 Page 901 of 1513
Aug 12, 2011
<6> ACK field
The ACK field is used to acknowledge normal reception.
Figure 20-11. 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 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 20-12. 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