Lattice Semiconductor MachXO5-NX Development Kit, User Manual

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MachXO5-NX Development Board
Preliminary Evaluation Board User Guide
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All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.
18 FPGA-EB-02052-0.90
6. SGMII Ethernet Connections
This section describes the MachXO5-NX Development Board SGMII application for Ethernet connections.
Table 6.1. SGMII Ethernet PHY Connections
U7 Pin Number U7 Signal Name Net Name MachXO5-25 Ball Location Application Notes
1 TD_P_A SGMII_MD0_P — To RJ45
2 TD_M_A SGMII_MD0_N — To RJ45
3 VDDA2P5 +2.5V — 2.5 V Power
4 TD_P_B SGMII_MD1_P — To RJ45
5 TD_M_B SGMII_MD1_N — To RJ45
6 VDD1P0 VCCA_1V_PHY — 1.0 V Power
7 TD_P_C SGMII_MD2_P — To RJ45
8 TD_M_C SGMII_MD2_N — To RJ45
9 VDDA2P5 +2.5V — 2.5 V Power
10 TD_P_D SGMII_MD3_P — To RJ45
11 TD_M_D SGMII_MD3_P — To RJ45
12 RBIAS — — Pull down to GND
13 VDDA1P8 SGMII_PHY_D1V8 — 1.8 V Power
14 XO SGMII_XO — 25 MHz Crystal Output
15 XI SGMII_XI — 25 MHz Crystal Input
16 MDC SGMII_MDIO_CLK U1
Optional pull up to
VDDIO
17 MDIO SGMII_MDIO_DATA U2 Pull up to VDDIO
18 CLK_OUT SGMII_CLK_OUT T7
With 22 Ω debounce
resistor
19 VDDIO SGMII_VDDIO — VCCIO7 selectable
20 JTAG_CLK — — Pull down to GND
21 JTAG_TDO — — Pull up to VDDIO
22 JTAG_TMS — — Pull up to VDDIO
23 JTAG_TDI — — Pull up to VDDIO
24 VDD1P0 VCCA_1V_PHY — 1.0 V Power
25 TX_D3 — — Pull down to GND
26 TX_D2 — — Pull down to GND
27 TX_D1/SGMII_SIP SGMII_PHY_SIP N8 0.1 µF AC coupling
28 TX_D0/SGMII_SIN SGMII_PHY_SIN P8 0.1 µF AC coupling
29 GTX_CLK — — Pull down to GND
30 VDDIO SGMII_VDDIO — VCCIO7 selectable
31 VDD1P0 VCCA_1V_PHY — 1.0 V Power
32 RX_CLK — — —
33 RX_D0/SGMII_COP SGMII_PHY_COP U9 0.1 µF AC coupling
34 RX_D1/SGMII_CON SGMII_PHY_CON V9 0.1 µF AC coupling
35 RX_D2/SGMII_SOP SGMII_PHY_SOP N9 0.1 µF AC coupling
36 RX_D3/SGMII_SON SGMII_PHY_SON P9 0.1 µF AC coupling
37 TX_CTRL — — Pull down to GND
38 RX_CTRL — — —
39 GPIO_0 — — Pull down to GND
40 GPIO_1 — — Pull down to GND
41 VDDIO SGMII_VDDIO — VCCIO7 selectable
42 VDD1P0 VCCA_1V_PHY — 1.0 V Power