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RTL8211E-VL-CG Datasheet(PDF) 17 Page - Realtek Semiconductor Corp.

Part No. RTL8211E-VL-CG
Description  INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER
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Maker  REALTEK [Realtek Semiconductor Corp.]
Homepage  https://www.realtek.com/en/
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RTL8211E-VL-CG Datasheet(HTML) 17 Page - Realtek Semiconductor Corp.

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RTL8211E/RTL8211EG
Datasheet
Integrated 10/100/1000M Ethernet Transceiver
9
Track ID: JATR-2265-11 Rev. 1.4
6.3. RGMII
Table 3. RGMII
Pin No.
(48-pin)
Pin No.
(64-pin)
Pin Name
Type
(48-pin)
Type
(64-pin)
Description
22
-
TXC
-
34
GTX_CLK
I
The transmit reference clock will be 125MHz, 25MHz, or
2.5MHz depending on speed.
23
36
TXD0
I
24
39
TXD1
I
25
40
TXD2
I
26
41
TXD3
I
Transmit Data.
Data is transmitted from MAC to PHY via TXD[3:0].
27
-
TXCTL
-
35
TXEN
I
Receive Control Signal from the MAC.
19
24
RXC
O
The continuous receive reference clock will be 125MHz,
25MHz, or 2.5MHz, and is derived from the received data
stream.
14
19
RXD0
O/LI/PU
O
16
21
RXD1
O/LI/PD
O
17
22
RXD2
O/LI/PU
O
18
23
RXD3
O/LI/PU
O
Receive Data.
Data is transmitted from PHY to MAC via RXD[3:0].
13
-
RXCTL
-
18
RXDV
O/LI/PD
Transmit Control Signal to the MAC.
16
27
TXDLY
O/LI/PD
RGMII Transmit Clock Timing Control.
1: Add 2ns delay to TXC for TXD latching
32
28
RXDLY
O/LI/PD
RGMII Receiver Clock Timing Control.
1: Add 2ns delay to RXC for RXD latching
6.4. GMII (RTL8211EG Only)
Table 4. GMII (RTL8211EG Only)
Pin No.
(48-pin)
Pin No.
(64-pin)
Pin Name
Type
Description
-
34
GTX_CLK
I
The transmit reference clock will be 125MHz.
-
42
TXCLK
O
The transmit reference clock will be 25MHz, or 2.5MHz depending on
speed.
-
36
TXD0
I
-
39
TXD1
I
-
40
TXD2
I
-
41
TXD3
I
-
43
TXD4
I
-
44
TXD5
I
-
45
TXD6
I
-
46
TXD7
I
Transmit Data.
Data is transmitted from MAC to PHY via TXD[7:0].
-
35
TXEN
I
Transmit Enable.


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