DS3172 datasheet(173/232 Pages) DALLAS

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DS3171/DS3172/DS3173/DS3174

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TT.RSR

Trail Trace Receive Status Register

(0,2,4,6)F4h

Bit #

Name

Bit #

Name

RTIM

RTIU

RIDL

Bit 2: Receive Trail Trace Identifier Mismatch (RTIM)

0 = Received and expected trail trace identifiers match.

1 = Received and expected trail trace identifiers do not match; trail trace identifier

mismatch (TIM) declared.

Bit 1: Receive Trail Trace Identifier Unstable (RTIU)

0 = Received trail trace identifier is not unstable

1 = Received trail trace identifier is in an unstable condition (TIU); TIU is declared when eight

consecutive trail trace identifiers are received that do not match either the receive trail trace

identifier or the previously stored current trail trace identifier.

Bit 0: Receive Trail Trace Identifier Idle (RIDL)

0 = Received trail trace identifier is not in idle condition.

1 = Received trail trace identifier is in idle condition. Idle condition is declared upon the reception of

an all zeros trail trace identifier five consecutive times.

TT.RSRL

Trail Trace Receive Status Register Latched

(0,2,4,6)F6h

Bit #

Name

Bit #

Name

RTICL

RTIML

RTIUL

RIDLL

Bit 3: Receive Trail Trace Identifier Change Latched (RTICL) – This bit is set when the receive trail trace

identifier is updated.

Bit 2: Receive Trail Trace Identifier Mismatch Latched (RTIML) – This bit is set when the TT.RSR.RTIM bit

transitions from 0 to 1.

Bit 1: Receive Trail Trace Identifier Unstable Latched (RTIUL) – This bit is set when the TT.RSR.RTIU bit

transitions from 0 to 1.

Bit 0: Receive Trail Trace Identifier Idle Latched (RIDLL) – This bit is set when the TT.RSR.RIDL bit transitions

from 0 to 1.

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