TSS461 ATMEL Corporation, TSS461 Datasheet - Page 31

• Manufacturer Part Number: TSS461
• Description: VAN Data Link Controller
• Manufacturer: ATMEL Corporation

CV: Code Violation
4194C–AUTO–01/06
Figure 18. ACKE Status Bit
CV indicates:
•
•
either a Manchester code violation (2 identical TS on Manchester bit), or a physical violation
(transmitted bit “dominant”, received bit “recessive”), on fields ID, COM, DATA and CRC, or
a physical violation or collision on field “preamble” and the “recessive” bit of the “Star Sync”
field.
One: CV active
Zero: CV inactive
RAK = 0
RAK* = 1
*RAK: bit of the frame COMMAND field
expected
received
received
expected
received
received
received
received
EOD field
EOD field
DLC: Producer
ACK field
ACK field
ACKE = 0
ACKE = 1
ACKE = 1
ACKE = 1
ACKE = 0
ACKE = 1
ACKE = 1
ACKE = 1
TSS461E
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