TSS463 ATMEL Corporation, TSS463 Datasheet - Page 33
TSS463
Manufacturer Part Number
TSS463
Description
VAN Data Link Controller with Serial Interface
Manufacturer
ATMEL Corporation
Datasheet
1.TSS463.pdf
(59 pages)
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BOV: Buffer Overflow
FCSE: Framing Check
Sequence Error
ACKE: Acknowledge Error
CV: Code Violation
FV: Frame Violation
4102E–AUTO–12/04
BOV indicates that the buffer length setup in the Channel Status Register was shorter
than the number of bytes received plus 1, and thus, some data was lost.
One: BOV active
Zero: BOV inactive
FCSE indicates a mismatch between the FCS received and the FCS calculated
One: FCSE active
Zero: FCSE inactive
ACKE indicates a physical violation or collision on ACK field of the frame when the
TSS463B is a producer.
One: ACKE active
Zero: ACKE inactive
Figure 23. ACKE Status Bit
CV indicates:
•
•
One: CV active
Zero: CV inactive
FV indicates a physical violation or collision on ACK field of the frame when the
TSS463B is a consumer.
One: FV active
Zero: FV inactive
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.
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
TSS463B
33