VSC7216-01 查看數據表（PDF） - Vitesse Semiconductor

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VSC7216-01

Multi-Gigabit Interconnect Chip

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

Preliminary Datasheet

VSC7216-01

Multi-Gigabit Interconnect Chip

Figure 9: State Diagram of the Loss of Synchronization State Machine

Valid Comma

(K28.1, K28.5, K28.7)

Valid Comma

RESYNC

ERRn=1

KCHn=1

IDLEn=1

Valid Non-Comma

Invalid Transmission

Four Consecutive Commas

or

Mis-Aligned Comma

LOSS_OF_SYNC

ERRn=1

KCHn=1

IDLEn=0

Four Consecutive

Invalid Transmissions

or

Invalid minus Valid

Transmissions is > 4

SYNC_ACQUIRED

ERRn=0

ERRn=1

KCHn=X or KCHn=0

IDLEn=X IDLEn=X

Figure 10: State Diagram of the Invalid Transmission Counter

(Unconditional)

Valid

Invalid

Invalid

Invalid

Invalid

0

1

2

3

4

Mis-Aligned

Comma

Valid

Valid

Valid

G52352-0, Rev 3.2

05/05/01

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