TSS463B datasheet(33/59 Pages) ATMEL

33 / 59 page

TSS463B

4102E–AUTO–12/04

BOV: Buffer Overflow

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: Framing Check

Sequence Error

FCSE indicates a mismatch between the FCS received and the FCS calculated

One: FCSE active

Zero: FCSE inactive

ACKE: Acknowledge Error

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: Code Violation

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

FV: Frame Violation

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

RAK* = 1

*RAK: bit of the frame COMMAND field

ACKE = 0

ACKE = 1

ACKE = 0

ACKE = 1

EOD field

ACK field

EOD field

ACK field

Expected

Received

Expected

Received

DLC: Producer

RAK = 0

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