RTL8211EG 데이터 시트보기 (PDF) - Realtek Semiconductor

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RTL8211EG

INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER

Realtek Semiconductor 

RTL8211E/RTL8211EG

Datasheet

6.3. RGMII

Pin No.

(48-pin)

22

-

23

24

25

26

27

-

19

14

16

17

18

13

-

16

32

Pin No.

(64-pin)

-

34

36

39

40

41

-

35

24

19

21

22

23

-

18

27

28

Table 3. RGMII

Pin Name Type Type Description

(48-pin) (64-pin)

TXC

I/PU

The transmit reference clock will be 125MHz, 25MHz, or

GTX_CLK

I

2.5MHz depending on speed.

TXD0

I/PD

Transmit Data.

TXD1

I/PD

Data is transmitted from MAC to PHY via TXD[3:0].

TXD2

I/PD

TXD3

I/PU

TXCTL

I

Receive Control Signal from the MAC.

TXEN

RXC

O

The continuous receive reference clock will be 125MHz,

25MHz, or 2.5MHz, and is derived from the received data

stream.

RXD0 O/LI/PU O Receive Data.

RXD1 O/LI/PD O Data is transmitted from PHY to MAC via RXD[3:0].

RXD2 O/LI/PU O

RXD3 O/LI/PU O

RXCTL

O/LI/PD

Transmit Control Signal to the MAC.

RXDV

TXDLY

O/LI/PD

RGMII Transmit Clock Timing Control.

1: Add 2ns delay to TXC for TXD latching

RXDLY

O/LI/PD

RGMII Receiver Clock Timing Control.

1: Add 2ns delay to RXC for RXD latching

6.4. GMII (RTL8211EG-VB Only)

Pin No.

(48-pin)

-

-

Pin No.

(64-pin)

34

42

Pin Name

GTX_CLK

TXCLK

-

36

TXD0

-

39

TXD1

-

40

TXD2

-

41

TXD3

-

43

TXD4

-

44

TXD5

-

45

TXD6

-

46

TXD7

-

35

TXEN

Table 4. GMII (RTL8211EG-VB Only)

Type Description

I The transmit reference clock is 125MHz.

O The transmit reference clock will be 25MHz, or 2.5MHz depending on

speed.

I Transmit Data.

I

Data is transmitted from MAC to PHY via TXD[7:0].

I

I

I

I

I

I

I Transmit Enable.

Integrated 10/100/1000M Ethernet Transceiver

9

Track ID: JATR-3375-16 Rev. 1.6

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