MAX 10 FFPGA开发套件通过使用一个外部的Marvell 88E1111 PHY和Altera Triple-Speed Ethernet MegaCore MAC功能来支持10/100/1000 base-T Ethernet。
表 17. Ethernet PHY A管脚分配,信号名称和功能
电路板参考(U9) |
图解信号名称 |
MAX 10 FPGA管脚编号 |
I/O标准 |
说明 |
U9.8 |
ENETA_GTX_CLK |
T5 |
2.5V CMOS |
125 MHz RGMII TX时钟 |
U9.4 |
ENETA_TX_CLK |
E10 |
3.3V LVCMOS |
25/2.5 MHz MII TX时钟 |
U9.11 |
ENETA_TX_D0 |
R5 |
2.5V CMOS |
RGMII TX data 0 |
U9.12 |
ENETA_TX_D1 |
P5 |
2.5V CMOS |
RGMII TX data 1 |
U9.14 |
ENETA_TX_D2 |
W1 |
2.5V CMOS |
RGMII TX data 2 |
U9.16 |
ENETA_TX_D3 |
W2 |
2.5V CMOS |
RGMII TX data 3 |
U9.9 |
ENETA_TX_EN |
R4 |
2.5V CMOS |
RGMII TX enable |
U9.7 |
ENETA_TX_ER |
P4 |
2.5V CMOS |
MII TX error |
U9.2 |
ENETA_RX_CLK |
P3 |
2.5V CMOS |
RGMII RX clock |
U9.95 |
ENETA_RX_D0 |
N9 |
2.5V CMOS |
RGMII RX data 0 |
U9.92 |
ENETA_RX_D1 |
T1 |
2.5V CMOS |
RGMII RX data 1 |
U9.93 |
ENETA_RX_D2 |
N1 |
2.5V CMOS |
RGMII RX data 2 |
U9.91 |
ENETA_RX_D3 |
T3 |
2.5V CMOS |
RGMII RX data 3 |
U9.94 |
ENETA_RX_DV |
T2 |
2.5V CMOS |
RGMII RX valid |
U9.3 |
ENETA_RX_ER |
U2 |
2.5V CMOS |
MII RX error |
U9.28 |
ENETA_RESETN |
V8 |
2.5V CMOS |
Device reset |
U9.23 |
ENETA_INTn |
V7 |
2.5V CMOS |
Management bus interrupt |
U9.25 |
ENET_MDC |
Y6 |
2.5V CMOS |
MDI clock |
U9.24 |
ENET_MDIO |
Y5 |
2.5V CMOS |
MDI data |
U9.84 |
ENETA_RX_CRS |
N8 |
2.5V CMOS |
MII Carrier Sense |
U9.83 |
ENETA_RX_COL |
P1 |
2.5V CMOS |
MII Collision |
U9.55 |
CLK_25_ENET |
— |
2.5V CMOS |
25 MHz Reference clock |
U9.70 |
ENETA_LED_DUPLEX |
— |
2.5 V CMOS |
Duplex or collision LED |
U9.76 |
ENETA_LED_LINK10 |
— |
2.5 V CMOS |
10 Mb link LED |
U9.74 |
ENETA_LED_LINK100 |
R9 |
2.5V CMOS |
100 Mb link LED |
U9.73 |
ENETA_LED_LINK1000 |
— |
2.5V CMOS |
1000 Mb link LED |
U9.58, 69 |
ENETA_LED_RX |
— |
2.5V CMOS |
RX data active LED |
U9.61, 68 |
ENETA_LED_TX |
— |
2.5V CMOS |
TX data active LED |
U9.29 |
ENETA_MDI_P0 |
— |
2.5V CMOS |
MDI |
U9.31 |
ENETA_MDI_N0 |
— |
2.5V CMOS |
MDI |
U9.33 |
ENETA_MDI_P1 |
— |
2.5V CMOS |
MDI |
U9.34 |
ENETA_MDI_N1 |
— |
2.5V CMOS |
MDI |
U9.39 |
ENETA_MDI_P2 |
— |
2.5V CMOS |
MDI |
U9.41 |
ENETA_MDI_N2 |
— |
2.5V CMOS |
MDI |
U9.42 |
ENETA_MDI_P3 |
— |
2.5V CMOS |
MDI |
U9.43 |
ENETA_MDI_N3 |
— |
2.5V CMOS |
MDI |
表 18. Ethernet PHY B管脚分配,信号名称和功能
电路板参考(U10) |
图解信号名称 |
MAX 10 FPGA管脚编号 |
I/O标准 |
说明 |
U10.8 |
ENETB_GTX_CLK |
T6 |
2.5V CMOS |
125 MHz RGMII TX时钟 |
U10.4 |
ENETB_TX_CLK |
E11 |
3.3V LVCMOS |
25/2.5 MHz MII TX时钟 |
U10.11 |
ENETB_TX_D0 |
U1 |
2.5V CMOS |
RGMII TX data 0 |
U10.12 |
ENETB_TX_D1 |
V1 |
2.5V CMOS |
RGMII TX data 1 |
U10.14 |
ENETB_TX_D2 |
U3 |
2.5V CMOS |
RGMII TX data 2 |
U10.16 |
ENETB_TX_D3 |
U4 |
2.5V CMOS |
RGMII TX data 3 |
U10.9 |
ENETB_TX_EN |
V3 |
2.5V CMOS |
RGMII TX enable |
U10.7 |
ENETB_TX_ER |
U5 |
2.5V CMOS |
MII TX error |
U10.2 |
ENETB_RX_CLK |
R3 |
2.5V CMOS |
RGMII RX clock |
U10.95 |
ENETB_RX_D0 |
P8 |
2.5V CMOS |
RGMII RX data 0 |
U10.92 |
ENETB_RX_D1 |
M1 |
2.5V CMOS |
RGMII RX data 1 |
U10.93 |
ENETB_RX_D2 |
M2 |
2.5V CMOS |
RGMII RX data 2 |
U10.91 |
ENETB_RX_D3 |
R7 |
2.5V CMOS |
RGMII RX data 3 |
U10.94 |
ENETB_RX_DV |
R1 |
2.5V CMOS |
RGMII RX valid |
U10.3 |
ENETB_RX_ER |
R2 |
2.5V CMOS |
MII RX error |
U10.28 |
ENETB_RESETn |
AB4 |
2.5V CMOS |
Device reset |
U10.23 |
ENETB_INTn |
AA3 |
2.5V CMOS |
Management bus interrupt |
U10.25 |
ENET_MDC |
Y6 |
2.5V CMOS |
MDI clock |
U10.24 |
ENET_MDIO |
Y5 |
2.5V CMOS |
MDI data |
U10.84 |
ENETB_RX_CRS |
N3 |
2.5V CMOS |
MII Carrier Sense |
U10.83 |
ENETB_RX_COL |
N2 |
2.5V CMOS |
MII Collision |
U10.55 |
CLK_25_ENET |
— |
2.5V CMOS |
25 MHz Reference clock |
U10.70 |
ENETB_LED_DUPLEX |
— |
2.5V CMOS |
Duplex or collision LED |
U10.76 |
ENETB_LED_LINK10 |
— |
2.5V CMOS |
10 Mb link LED |
U10.74 |
ENETB_LED_LINK100 |
P9 |
2.5V CMOS |
100 Mb link LED |
U10.73 |
ENETB_LED_LINK1000 |
— |
2.5V CMOS |
1000 Mb link LED |
U10.58, 69 |
ENETB_LED_RX |
— |
2.5V CMOS |
RX data active LED |
U10.61, 65, 68 |
ENETB_LED_TX |
— |
2.5V CMOS |
TX data active LED |
U10.29 |
ENETB_MDI_P0 |
— |
2.5V CMOS |
MDI |
U10.31 |
ENETB_MDI_N0 |
— |
2.5V CMOS |
MDI |
U10.33 |
ENETB_MDI_P1 |
— |
2.5V CMOS |
MDI |
U10.34 |
ENETB_MDI_N1 |
— |
2.5V CMOS |
MDI |
U10.39 |
ENETB_MDI_P2 |
— |
2.5V CMOS |
MDI |
U10.41 |
ENETB_MDI_N2 |
— |
2.5V CMOS |
MDI |
U10.42 |
ENETB_MDI_P3 |
— |
2.5V CMOS |
MDI |
U10.43 |
ENETB_MDI_N3 |
— |
2.5V CMOS |
MDI |