VSC8541-02 datasheet(62/101 Pages) MICROCHIP

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Registers

VMDS-10513 VSC8541-02 Datasheet Revision 4.1

SOFEnable

R/W

Sticky bit.

0: SOF indication disabled.

1: SOF indication enabled.

11:8

Reserved

Reserved.

RGMII/GMII RXD bit reversal R/W

Sticky bit.

When set to 1, makes the following

reversed mapping internally:

RGMII Mode

RXD3 maps to RXD0

RXD2 maps to RXD1

RXD1 maps to RXD2

RXD0 maps to RXD3

GMII/MII Mode

RXD7 maps to RXD0

RXD6 maps to RXD1

RXD5 maps to RXD2

RXD4 maps to RXD3

RXD3 maps to RXD4

RXD2 maps to RXD5

RXD1 maps to RXD6

RXD0 maps to RXD7

6:4

RX_CLK delay

R/W

Sticky bit.

000: 0.2 ns delay.

001: 0.8 ns delay.

010: 1.1 ns delay.

011: 1.7 ns delay.

100: 2.0 ns delay.

101: 2.3 ns delay.

110: 2.6 ns delay.

111: 3.4 ns delay.

000

RGMII/GMII TXD bit reversal R/W

Sticky bit.

When set to 1, makes the following

reversed mapping internally:

RGMII Mode

TXD3 maps to TXD0

TXD2 maps to TXD1

TXD1 maps to TXD2

TXD0 maps to TXD3

GMII/MII Mode

TXD7 maps to TXD0

TXD6 maps to TXD1

TXD5 maps to TXD2

TXD4 maps to TXD3

TXD3 maps to TXD4

TXD2 maps to TXD5

TXD1 maps to TXD6

TXD0 maps to TXD7

Table 60 •

RGMII Control, Address 20E2 (0x14) (continued)

Bit

Name

Access Description

Default

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