VSC8201DL VITESSE [Vitesse Semiconductor Corporation], VSC8201DL Datasheet - Page 12

• Manufacturer Part Number: VSC8201DL
• Description: Single Port 10/100/1000BASE-Tand 1000BASE-X PHY
• Manufacturer: VITESSE [Vitesse Semiconductor Corporation]

RGMII Single 3.3v Supply Implementation Methods
Method I - Standard RGMII Implementation
In this mode the Internal Clock Delay feature of the PHY is not enabled. See MII Register 23.8 for more information.
Board Layout
Benefits
•
Drawbacks
•
Rev. 1.6.3 - 9/29/04
Does not require an external 2.5v supply, thereby reducing overall system cost.
Needs extra board space for the additional trace delays on the RXC and TXC traces.
VDDIO=3.0 - 3.6v
MAC
VITESSE - CONFIDENTIAL & PROPRIETARY - DO NOT COPY WITHOUT PERMISSION
RXC
RX_CTL
TX_CTL
RD3
RD2
RD1
TD1
TD0
RD0
TD3
TD2
1.5ns-2ns PCB trace additional PCB trace delay
1.5ns-2ns PCB trace additional PCB trace delay
TXC
VSC8201
VDDIO=3.0 - 3.6v
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VSC8201DL