GbLAN: Difference between revisions

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{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;"  
{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;"  
|- bgcolor="#cccccc"
|- bgcolor="#cccccc"
! Pin # !! Name !! Port !! Description
! Pin # !! Name !! Pin Type !! Description
|-
|-
| 1 || - || || -
| 1 || CONFIG[1] || I || Hardware Configuration
|-
|-
| 2 || - || || -
| 2 || CONFIG[2] || I || Hardware Configuration
|-
|-
| 3 || - || || -
| 3 || CONFIG[3] || I || Hardware Configuration
|-
|-
| 4 || - || || -
| 4 || CLK125 || O || 125 MHz Clock Output. When Hardware reset is asserted, a 25 MHz clock is generated output, otherwise a 125 MHz clock is output.
|-
|-
| 5 || - || || -
| 5 || DVDD || Power || Digital core supply - 1.2V. DVDD can be supplied externally with 1.2, or via the 1.2V regulator.
|-
|-
| 6 || - || || -
| 6 || LED[0] || O || LED/Interrupt outputs
|-
|-
| 7 || - || || -
| 7 || VDDO || Power || 1.8V, 2.5V, or 3.3V non-RGMII digital I/O supply. VDDO must be supplied externally. Do not use the 1.8V regulator to power VDDO.
|-
|-
| 8 || - || || -
| 8 || LED[1] || O || LED/Interrupt outputs
|-
|-
| 9 || - || || -
| 9 || LED[2] || O || LED/Interrupt outputs
|-
|-
| 10 || - || || -
| 10 || RESETn || I || Hardware reset. Active low. 0 = Reset 1 = Normal
|-
|-
| 11 || - || || -
| 11 || TRSTn || I, PU || Boundary scan test reset input. Active low. TRSTn contains an internal 150 kohm pull-up resistor as per the 1149.1 specification. After power up, the JTAG state machine should be reset by applying a low signal on this pin, or by keeping TMS high and applying 5 TCK pulses, or by pulling this pin low by a 4.7 kohm resistor.
|-
|-
| 12 || - || || -
| 12 || DIS_REG12 || I || 1.2V Regulator Disable. Tie to VDDO to disable, tie to VSS to enable.
|-
|-
| 13 || - || || -
| 13 || DVDD || Power || Digital core supply - 1.2V. DVDD can be supplied externally with 1.2, or via the 1.2V regulator.
|-
|-
| 14 || - || || -
| 14 || AVDDR || || 1.2V Regulator supply - 1.8V  AVDDR can be supplied externally with 1.8V, or via the 1.8V regulator. If the
1.2V regulator is not used, AVDDR must still be tied to 1.8V.
|-
|-
| 15 || - || || -
| 15 || AVDDR || || 1.2V Regulator supply - 1.8V  AVDDR can be supplied externally with 1.8V, or via the 1.8V regulator. If the
1.2V regulator is not used, AVDDR must still be tied to 1.8V.
|-
|-
| 16 || - || || -
| 16 || AVDDX || Power || 1.8V Regulator supply - 2.5V, 3.3V, (or 1.8V). AVDDX must be supplied externally. Note that this supply must be the same voltage as AVDDC. If the 1.8V regulator is not used, then it means a 1.8V supply is in the system. AVDDX (along with AVDDC) would be tied to 1.8V in this case.
|-
|-
| 17 || - || || -
| 17 || CTRL18 || O || 1.8V Regulator Control. This signal ties to the base of the BJT. If the 1.8V regulator is not used it can be left floating.
|-
|-
| 18 || - || || -
| 18 || NC || NC || No connect. These pins are not connected to the die so they can be connected to anything on the board.
|-
|-
| 19 || - || || -
| 19 || MDIN[3] || I/O, D || Media Dependent Interface[3]
|-
|-
| 20 || - || || -
| 20 || MDIP[3] || I/O, D || Media Dependent Interface[3]
|-
|-
| 21 || - || || -
| 21 || AVDD || Power || Analog supply. 1.8V. AVDD can be supplied externally with 1.8V, or via the 1.8V regulator.
|-
|-
| 22 || - || || -
| 22 || AVDD || Power || Analog supply. 1.8V. AVDD can be supplied externally with 1.8V, or via the 1.8V regulator.
|-
|-
| 23 || - || || -
| 23 || MDIN[2] || I/O, D || Media Dependent Interface[2]
|-
|-
| 24 || - || || -
| 24 || MDIP[2] || I/O, D || Media Dependent Interface[2]
|-
|-
| 25 || - || || -
| 25 || MDIN[1] || I/O, D || Media Dependent Interface[1]
|-
|-
| 26 || - || || -
| 26 || MDIP[1] || I/O, D || Media Dependent Interface[1]
|-
|-
| 27 || - || || -
| 27 || AVDD || Power || Analog supply. 1.8V. AVDD can be supplied externally with 1.8V, or via the 1.8V regulator.
|-
|-
| 28 || - || || -
| 28 || NC || NC || No connect. These pins are not connected to the die so they can be connected to anything on the board.
|-
|-
| 29 || - || || -
| 29 || AVDD || Power || Analog supply. 1.8V. AVDD can be supplied externally with 1.8V, or via the 1.8V regulator.
|-
|-
| 30 || - || || -
| 30 || MDIN[0] || I/O, D || Media Dependent Interface[0]
|-
|-
| 31 || - || || -
| 31 || MDIP[0] || I/O, D || Media Dependent Interface[0]
|-
|-
| 32 || - || || -
| 32 || TSTPT || O || Test Point
|-
|-
| 33 || - || || -
| 33 || RSET || I || Constant voltage reference. External 4.99 kohm 1% resistor connection to VSS required for each pin.
|-
|-
| 34 || - || || -
| 34 || AVDDC || || Analog supply - 1.8V or 2.5V, or 3.3V. AVDDC must be supplied externally. Do not use the 1.8V regulator to power AVDDC.
|-
|-
| 35 || - || || -
| 35 || HSDACN || O || AC Test Point. Connect the AC testpoints with a 50 ohm termination resistor to VSS for IEEE testing and
debug purposes. If debug and IEEE testing are not of importance, these pins can be left floating.
|-
|-
| 36 || - || || -
| 36 || HSDACP || O || AC Test Point. Connect the testpoints with a 50 ohm termination resistor to VSS for IEEE testing and
debug purposes. If debug and IEEE testing are not of importance, these pins can be left floating.
|-
|-
| 37 || - || || -
| 37 || AVDDC || || Analog supply - 1.8V or 2.5V, or 3.3V. AVDDC must be supplied externally. Do not use the 1.8V regulator to power AVDDC.
|-
|-
| 38 || - || || -
| 38 || XTAL_IN || I || Reference Clock. 25 MHz ± 50 ppm tolerance crystal reference or oscillator input.
NOTE: If AVDDC is tied to 1.8V, then the XTAL_IN pin is not 2.5V/3.3V tolerant.
If AVDDC is tied to 2.5V, then the XTAL_IN pin is not 3.3V tolerant.
|-
|-
| 39 || - || || -
| 39 || XTAL_OUT || O || Reference Clock. 25 MHz ± 50 ppm tolerance crystal reference. When the
XTAL_OUT pin is not connected, it should be left floating.
|-
|-
| 40 || - || || -
| 40 || DVDD || Power || Digital core supply - 1.2V. DVDD can be supplied externally with 1.2, or via the 1.2V regulator.
|-
|-
| 41 || - || || -
| 41 || TMS || I, PU || Boundary scan test mode select input. TMS contains an internal 150 kohm pull-up resistor.
|-
|-
| 42 || - || || -
| 42 || TCK || I, PU || Boundary scan test clock input. TCK contains an internal 150 kohm pull-up resistor.
|-
|-
| 43 || - || || -
| 43 || TDI || I || Boundary scan test data input
|-
|-
| 44 || - || || -
| 44 || TDO || O || Boundary scan test data output
|-
|-
| 45 || - || || -
| 45 || MDIO || I/O || MDIO is the management data. MDIO transfers management data in and out of the device synchronously to MDC. This pin requires a pull-up resistor in a range from 1.5 kohm to 10 kohm.
|-
|-
| 46 || - || || -
| 46 || VDDO || Power || 1.8V, 2.5V, or 3.3V non-RGMII digital I/O supply. VDDO must be supplied externally. Do not use the 1.8V regulator to power VDDO.
|-
|-
| 47 || - || || -
| 47 || DVDD || Power || Digital core supply - 1.2V. DVDD can be supplied externally with 1.2, or via the 1.2V regulator.
|-
|-
| 48 || - || || -
| 48 || MDC  || I || MDC is the management data clock reference for the serial management interface. A continuous clock stream is not expected. The maximum frequency supported is 8.3 MHz.
|-
|-
| 49 || - || || -
| 49 || RX_CTRL || O || RGMII Receive Control. RX_DV is presented on the rising edge of RX_CLK. A logical derivative of RX_DV and RX_ER is presented on the falling edge of RX_CLK.
|-
|-
| 50 || - || || -
| 50 || RXD[0] || O || RGMII Receive Data
|-
|-
| 51 || - || || -
| 51 || RXD[1] || O || RGMII Receive Data
|-
|-
| 52 || - || || -
| 52 || VDDOR || Power || 1.8V, 2.5V, or 3.3V RGMII digital I/O supply. VDDOR must be supplied externally. Do not use the 1.8V regulator to power VDDOR.
|-
|-
| 53 || - || || -
| 53 || RX_CLK || O || RGMII Receive Clock provides a 125 MHz, 25 MHz, or 2.5 MHz reference clock with ± 50 ppm tolerance derived from the received data stream depending on speed.
|-
|-
| 54 || - || || -
| 54 || RXD[2] || O || RGMII Receive Data
|-
|-
| 55 || - || || -
| 55 || RXD[3] || O || RGMII Receive Data
|-
|-
| 56 || - || || -
| 56 || VDDOR || Power || 1.8V, 2.5V, or 3.3V RGMII digital I/O supply. VDDOR must be supplied externally. Do not use the 1.8V regulator to power VDDOR.
|-
|-
| 57 || - || || -
| 57 || VREF || I || RGMII input voltage reference. Must be set to VDDOR/2 when used as 1.8V HSTL, 2.5V SSTL_2, and 3.3V. Set to VDDOR when used as 2.5V LV CMOS.
|-
|-
| 58 || - || || -
| 58 || TXD[0] || I || RGMII Transmit Data
|-
|-
| 59 || - || || -
| 59 || TXD[1] || I || RGMII Transmit Data
|-
|-
| 60 || - || || -
| 60 || TCX_CLK || I || RGMII Transmit Clock provides a 125 MHz, 25 MHz, or 2.5 MHz reference clock with ± 50 ppm tolerance depending on speed.
|-
|-
| 61 || - || || -
| 61 || TXD[2] || I || RGMII Transmit Data
|-
|-
| 62 || - || || -
| 62 || TXD[3] || I || RGMII Transmit Data
|-
|-
| 63 || - || || -
| 63 || TX_CTRL || I || RGMII Transmit Control. TX_EN is presented on the rising edge of TX_CLK. A logical derivative of TX_EN and TX_ER is presented on the falling edge of TX_CLK.
|-
|-
| 64 || - || || -
| 64 || CONFIG[0] || I || Hardware Configuration
|-
| EPAD || VSS || GND || Ground to device. The 64-pin QFN package has an exposed die pad (E-PAD) at its base. This E-PAD must be soldered to VSS.
|-
|-
|}
|}

Revision as of 11:27, 18 July 2011

Gigabit LAN

The PS3 has 1 Gigabit Ethernet port. The port accepts Auto-MDIX (automatic medium-dependent interface crossover), so no need for special crosscables when hooking up the PS3 direct to the PC.

Gigabit LAN chips used

A sample of the GbLAN chips in different PS3 models:

Ports Size Speed Voltage Packaging Manufacturer Serial Number Description
8 (3 used) 20x20mm Xtal X3501: 25MHz 3.3V/1.9V/1.2V 144-pin TQFP Marvell 88E6108-LAR1 Used in earlier models
- - - - 64-pin QFN Marvell Alaska 88E1118R-NNC2 Used in Slim models


Marvell 88E6108-LAR1

144-TQFP
Marvell 88E6108-LAR1

Datasheet: (not available) 

productcode meaning:
88E6108-LAR1

Type: Ethernet
Speed : 1Gbps
Ports : 8
Package : 144-TQFP

(sorry, no explaination yet)

The Marvell 88E6108-LAR1 is sort of a switching hub chip, with several ports that can be used in different configurations: 

Port 0 (usuable as MDI 4 dif.pair) : unused (tied to ground)
Port 1 (usuable as MDI 4 dif.pair) : unused (tied to ground)
Port 2 (usuable as MDI 4 dif.pair) : wired to external UTP connector
Port 3 (GMII): Wired to SB
Port 4 (usable as TX/RX dif.pair)(100FX): wired to Wifi
Port 5 (usable as TX/RX dif.pair): unused (tied to ground)
Port 6 (usable as TX/RX dif.pair): unused (tied to ground)
Port 7 (usable as TX/RX dif.pair): unused (tied to ground)

Pinout IC3503

Productcode: 88E6108-B2-LAR1C000-P123 | PartNo.: 6-710-202-01

Pin # Name Port Description
1 RST Power / Led / Xtal etc -
2 AVDD -
3 NC No Connection
4 NC No Connection
5 NC No Connection
6 AVDD -
7 XTAL_IN -
8 XTAL_OUT -
9 VDD_CORE -
10 NC No Connection
11 NC No Connection
12 AVDD -
13 NC No Connection
14 NC No Connection
15 P0_LED3 -
16 P0_LED2 -
17 VDD_CORE -
18 P0_LED1 -
19 P0_LED0 -
20 VDDO_LED -
21 P1_LED3 -
22 VDD_CORE -
23 P1_LED3 -
24 P1_LED1 -
25 P1_LED0 -
26 VDDO_LED -
27 P2_LED3 -
28 P2_LED2 -
29 P2_LED1 -
30 P2_LED0 -
31 VDD_CORE -
32 MDC_PHY/PPU_EN -
33 VDDO_SMI_PHY -
34 MDIO_PHY -
35 VDD_PLL -
36 VDD_CORE -
37 P7_TXP Port 7
(unused)		 -
38 P7_TXN -
39 P7_VDDAH Ground
40 P7_RXP -
41 P7_RXN -
42 VSS Ground
43 P6_RXP Port 6
(unused)		 -
44 P6_RXN -
45 P6_VDDAH Ground
46 P6_TXN -
47 P6_TXP -
48 VDD_CORE -
49 P5_TXP Port 5
(unused)		 -
50 P5_TXN -
51 P5_VDDAH Ground
52 P5_RXP -
53 P5_RXN -
54 VSS Ground
55 P4_RXN Port 4 (100FX) -
56 P4_RXP -
57 P4_VDDAH -
58 P4_TXN -
59 P4_TXP -
60 VDD_CORE -
61 VDD_P3 Port 3 (GMII) -
62 P3_CLK125N -
63 P3_TXEN/HALFDPX -
64 P3_TXD7/MODE2 -
65 P3_TXD6/MODE1 -
66 VDD_CORE -
67 P3_TXD5/MODE0 -
68 P3_TXD4/ADDR4 -
69 VDD0_P3 -
70 P3_TXD3/ADDR3 -
71 P3_TXD2/ADDR2 -
72 P3_TXD1/ADDR1 -
73 P3_TXD0/ADDR0 -
74 P3_TXCLK -
75 P3_GTXCLK -
76 VDD0_P3 -
77 P3_RXDV -
78 VDD_CORE -
79 P3_RXXEA -
80 P3_RXD7 -
81 P3_RXD6 -
82 P3_RXD5 -
83 P3_RXD4 -
84 VDD_CORE -
85 P3_RXD3 -
86 VDDO_P3 -
87 P3_RXD2 -
88 P3_RXD1 -
89 P3_RXD0 -
90 P3_RXCLK -
91 VDD_CORE -
92 P3_CRS -
93 P3_COL -
94 P3_ENABLE_PD -
95 INTn -
96 MDIO_CPU -
97 MDC_CPU -
98 VDD_CORE -
99 EE_DOUT -
100 VDDO_SMI_CPU -
101 EE_DIN/HD_FLOW_DIS -
102 EE_CLK/FD_FLOW_DIS -
103 EE_CS/EE_1K -
104 VDD_CORE -
105 SW_MODE0 PU -
106 SW_MODE1 PU -
107 VSS Ground
108 RESETn -
109 VSS Port 2 (MDI) Ground
110 P2_MDIN3 -
111 P2_MDIP3 -
112 P2_AVDD -
113 P2_MDIN2 -
114 P2_MDIP2 -
115 P2_MDIN1 -
116 P2_MDIP1 -
117 P2_AVDD -
118 P2_AVDD -
119 P2_MDIN0 -
120 P2_MDIP0 -
121 VSS Port 1 (MDI) Ground
122 P1_MDIN3 -
123 P1_MDIP3 -
124 P1_AVDD -
125 P1_MDIN2 -
126 P1_MDIP2 -
127 P1_MDIN1 -
128 P1_MDIP1 -
129 P1_AVDD -
130 P1_AVDD -
131 P1_MDIN0 -
132 P1_MDIP0 -
133 VSS Port 0 (MDI) Ground
134 P0_MDIN3 -
135 P0_MDIP3 -
136 P0_AVDD -
137 P0_MDIN2 -
138 P0_MDIP2 -
139 P0_MDIN1 -
140 P0_MDIP1 -
141 P0_AVDD -
142 P0_AVDD -
143 P0_MDIN0 -
144 P1_MDIP0 -


Pinout CN3501

Connectortype: RJ45 modular jack with LED | PartNo.: 1-820-763-12

Pin # Name Description
1 VCC -
2 TP1+ -
3 TP1- -
4 TP2+ -
5 TP2- -
6 GND -
7 TP3+ -
8 TP3- -
9 TP4+ -
10 TP4- -
11 VCC -

Marvell Alaska 88E1118R-NNC2

Marvel Alaska 88E1118R
As seen on PS3 Slim PCB
righthand side goes to backside RJ/UTP connector

64-pin QFN
Marvel Alaska 88E1118R

Product Brief 

productcode meaning:
88E1118R-NNC2 = 10/100/1000BASE-T PHY with RGMII

Type: Ethernet
Speed : 1Gbps
VCC: 1.8V (regulators can be supplied with 1.8V, 2.5V or 3.3V)
I/O: 1.8V, 2.5V or 3.3V
125MHz Clock input
Package : 64-pin QFN

(sorry, no explaination yet)


pinout

(nothing here, please help fill this in)

Pin # Name Pin Type Description
1 CONFIG[1] I Hardware Configuration
2 CONFIG[2] I Hardware Configuration
3 CONFIG[3] I Hardware Configuration
4 CLK125 O 125 MHz Clock Output. When Hardware reset is asserted, a 25 MHz clock is generated output, otherwise a 125 MHz clock is output.
5 DVDD Power Digital core supply - 1.2V. DVDD can be supplied externally with 1.2, or via the 1.2V regulator.
6 LED[0] O LED/Interrupt outputs
7 VDDO Power 1.8V, 2.5V, or 3.3V non-RGMII digital I/O supply. VDDO must be supplied externally. Do not use the 1.8V regulator to power VDDO.
8 LED[1] O LED/Interrupt outputs
9 LED[2] O LED/Interrupt outputs
10 RESETn I Hardware reset. Active low. 0 = Reset 1 = Normal
11 TRSTn I, PU Boundary scan test reset input. Active low. TRSTn contains an internal 150 kohm pull-up resistor as per the 1149.1 specification. After power up, the JTAG state machine should be reset by applying a low signal on this pin, or by keeping TMS high and applying 5 TCK pulses, or by pulling this pin low by a 4.7 kohm resistor.
12 DIS_REG12 I 1.2V Regulator Disable. Tie to VDDO to disable, tie to VSS to enable.
13 DVDD Power Digital core supply - 1.2V. DVDD can be supplied externally with 1.2, or via the 1.2V regulator.
14 AVDDR 1.2V Regulator supply - 1.8V AVDDR can be supplied externally with 1.8V, or via the 1.8V regulator. If the

1.2V regulator is not used, AVDDR must still be tied to 1.8V.

15 AVDDR 1.2V Regulator supply - 1.8V AVDDR can be supplied externally with 1.8V, or via the 1.8V regulator. If the

1.2V regulator is not used, AVDDR must still be tied to 1.8V.

16 AVDDX Power 1.8V Regulator supply - 2.5V, 3.3V, (or 1.8V). AVDDX must be supplied externally. Note that this supply must be the same voltage as AVDDC. If the 1.8V regulator is not used, then it means a 1.8V supply is in the system. AVDDX (along with AVDDC) would be tied to 1.8V in this case.
17 CTRL18 O 1.8V Regulator Control. This signal ties to the base of the BJT. If the 1.8V regulator is not used it can be left floating.
18 NC NC No connect. These pins are not connected to the die so they can be connected to anything on the board.
19 MDIN[3] I/O, D Media Dependent Interface[3]
20 MDIP[3] I/O, D Media Dependent Interface[3]
21 AVDD Power Analog supply. 1.8V. AVDD can be supplied externally with 1.8V, or via the 1.8V regulator.
22 AVDD Power Analog supply. 1.8V. AVDD can be supplied externally with 1.8V, or via the 1.8V regulator.
23 MDIN[2] I/O, D Media Dependent Interface[2]
24 MDIP[2] I/O, D Media Dependent Interface[2]
25 MDIN[1] I/O, D Media Dependent Interface[1]
26 MDIP[1] I/O, D Media Dependent Interface[1]
27 AVDD Power Analog supply. 1.8V. AVDD can be supplied externally with 1.8V, or via the 1.8V regulator.
28 NC NC No connect. These pins are not connected to the die so they can be connected to anything on the board.
29 AVDD Power Analog supply. 1.8V. AVDD can be supplied externally with 1.8V, or via the 1.8V regulator.
30 MDIN[0] I/O, D Media Dependent Interface[0]
31 MDIP[0] I/O, D Media Dependent Interface[0]
32 TSTPT O Test Point
33 RSET I Constant voltage reference. External 4.99 kohm 1% resistor connection to VSS required for each pin.
34 AVDDC Analog supply - 1.8V or 2.5V, or 3.3V. AVDDC must be supplied externally. Do not use the 1.8V regulator to power AVDDC.
35 HSDACN O AC Test Point. Connect the AC testpoints with a 50 ohm termination resistor to VSS for IEEE testing and

debug purposes. If debug and IEEE testing are not of importance, these pins can be left floating.

36 HSDACP O AC Test Point. Connect the testpoints with a 50 ohm termination resistor to VSS for IEEE testing and

debug purposes. If debug and IEEE testing are not of importance, these pins can be left floating.

37 AVDDC Analog supply - 1.8V or 2.5V, or 3.3V. AVDDC must be supplied externally. Do not use the 1.8V regulator to power AVDDC.
38 XTAL_IN I Reference Clock. 25 MHz ± 50 ppm tolerance crystal reference or oscillator input.

NOTE: If AVDDC is tied to 1.8V, then the XTAL_IN pin is not 2.5V/3.3V tolerant. If AVDDC is tied to 2.5V, then the XTAL_IN pin is not 3.3V tolerant.

39 XTAL_OUT O Reference Clock. 25 MHz ± 50 ppm tolerance crystal reference. When the

XTAL_OUT pin is not connected, it should be left floating.

40 DVDD Power Digital core supply - 1.2V. DVDD can be supplied externally with 1.2, or via the 1.2V regulator.
41 TMS I, PU Boundary scan test mode select input. TMS contains an internal 150 kohm pull-up resistor.
42 TCK I, PU Boundary scan test clock input. TCK contains an internal 150 kohm pull-up resistor.
43 TDI I Boundary scan test data input
44 TDO O Boundary scan test data output
45 MDIO I/O MDIO is the management data. MDIO transfers management data in and out of the device synchronously to MDC. This pin requires a pull-up resistor in a range from 1.5 kohm to 10 kohm.
46 VDDO Power 1.8V, 2.5V, or 3.3V non-RGMII digital I/O supply. VDDO must be supplied externally. Do not use the 1.8V regulator to power VDDO.
47 DVDD Power Digital core supply - 1.2V. DVDD can be supplied externally with 1.2, or via the 1.2V regulator.
48 MDC I MDC is the management data clock reference for the serial management interface. A continuous clock stream is not expected. The maximum frequency supported is 8.3 MHz.
49 RX_CTRL O RGMII Receive Control. RX_DV is presented on the rising edge of RX_CLK. A logical derivative of RX_DV and RX_ER is presented on the falling edge of RX_CLK.
50 RXD[0] O RGMII Receive Data
51 RXD[1] O RGMII Receive Data
52 VDDOR Power 1.8V, 2.5V, or 3.3V RGMII digital I/O supply. VDDOR must be supplied externally. Do not use the 1.8V regulator to power VDDOR.
53 RX_CLK O RGMII Receive Clock provides a 125 MHz, 25 MHz, or 2.5 MHz reference clock with ± 50 ppm tolerance derived from the received data stream depending on speed.
54 RXD[2] O RGMII Receive Data
55 RXD[3] O RGMII Receive Data
56 VDDOR Power 1.8V, 2.5V, or 3.3V RGMII digital I/O supply. VDDOR must be supplied externally. Do not use the 1.8V regulator to power VDDOR.
57 VREF I RGMII input voltage reference. Must be set to VDDOR/2 when used as 1.8V HSTL, 2.5V SSTL_2, and 3.3V. Set to VDDOR when used as 2.5V LV CMOS.
58 TXD[0] I RGMII Transmit Data
59 TXD[1] I RGMII Transmit Data
60 TCX_CLK I RGMII Transmit Clock provides a 125 MHz, 25 MHz, or 2.5 MHz reference clock with ± 50 ppm tolerance depending on speed.
61 TXD[2] I RGMII Transmit Data
62 TXD[3] I RGMII Transmit Data
63 TX_CTRL I RGMII Transmit Control. TX_EN is presented on the rising edge of TX_CLK. A logical derivative of TX_EN and TX_ER is presented on the falling edge of TX_CLK.
64 CONFIG[0] I Hardware Configuration
EPAD VSS GND Ground to device. The 64-pin QFN package has an exposed die pad (E-PAD) at its base. This E-PAD must be soldered to VSS.

Jumbo frames

From Linux perspective (under OtherOS <=3.15), the old drivers set the MTU to 2308, while newer versions set the MTU of 1518. This could be a hypervisor restriction (needs research). 

MTU is set with vsh using syscall net_ioctl (libnet)
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