AX88655P datasheet(9/40 Pages) ASIX

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ASIX ELECTRONICS CORPORATION

AX88655 P 5-Port 10/100/1000BASE-T Ethernet Switch

2.1.2 GMII Interface Port 1

Signal Name

I/O

Pin No.

Description

GTX_CLK1

125MHz Clock Output: Please references section 2.1.1.

TX_EN1

Transmit Enable: Please references section 2.1.1.

TXD1[7:0]

67 – 60

Transmit Data: Please references section 2.1.1.

TX_CLK1

I/PD

MII Transmit Clock Input: Please references section 2.1.1.

COL1

I/PD

Collision Detect: Please references section 2.1.1.

CRS1

I/PD

Carrier Sense: Please references section 2.1.1.

RX_DV1

Receive Data Valid: Please references section 2.1.1.

RX_CLK1

Receive Clock Input: Please references section 2.1.1.

RXD1[7:0]

I/PD

53 - 46

Receive Data: Please references section 2.1.1.

2.1.3 GMII Interface Port 2

Signal Name

I/O

Pin No.

Description

GTX_CLK2

125MHz Clock Output: Please references section 2.1.1.

TX_EN2

Transmit Enable: Please references section 2.1.1.

TXD2[7:0]

94 – 87

Transmit Data: Please references section 2.1.1.

TX_CLK2

I/PD

MII Transmit Clock Input: Please references section 2.1.1.

COL2

I/PD

Collision Detect: Please references section 2.1.1.

CRS2

I/PD

Carrier Sense: Please references section 2.1.1.

RX_DV2

Receive Data Valid: Please references section 2.1.1.

RX_CLK2

Receive Clock Input: Please references section 2.1.1.

RXD2[7:0]

I/PD

80 - 73

Receive Data: Please references section 2.1.1.

2.1.4 GMII Interface Port 3

Signal Name

I/O

Pin No.

Description

GTX_CLK3

111

125MHz Clock Output: Please references section 2.1.1.

TX_EN3

122

Transmit Enable: Please references section 2.1.1.

TXD3[7:0]

121 – 114

Transmit Data: Please references section 2.1.1.

TX_CLK3

I/PD

113

MII Transmit Clock Input: Please references section 2.1.1.

COL3

I/PD

Collision Detect: Please references section 2.1.1.

CRS3

I/PD

Carrier Sense: Please references section 2.1.1.

RX_DV3

109

Receive Data Valid: Please references section 2.1.1.

RX_CLK3

108

Receive Clock Input: Please references section 2.1.1.

RXD3[7:0]

I/PD

107 - 100

Receive Data: Please references section 2.1.1.

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