VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.25Gbits/sec
Gigabit Ethernet Transceiver
VSC7135
Figure 2: Detection of a Properly Aligned Comma Character
RCLK
RCLKN
COM_DET
R0:9
K28.5
TChar TChar TChar
TChar: 10 bit Transmission Character
Figure 3: Detection and Resynchronization of an Improperly Aligned Comma
Receiving Two Consecutive K28.5+TChar Transmission Words
RCLK
RCLKN
COM_DET
K28.5
TChar TChar TChar K28.5
TChar
R0:9
Potentially Corrupted
Page 4
VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
G52146-0, Rev. 4.0
5/28/98