Beckhoff EtherCAT IP Core for Altera FPGAs v3.0.10 Instrukcja Użytkownika Pobierz pdf (Strona 79)

IP Core Signals

Slave Controller – IP Core for Altera FPGAs III-67

8.5.3 RGMII Interface

Table 26 lists the signals used with RGMII.

Table 26: PHY Interface RGMII

Condition

Name

Direction

Description

Port0 =

RGMII

CLK25_2NS

INPUT

25 MHz clock signal from

PLL (rising edge 2 ns after

rising edge of CLK25),

used for RGMII GTX_CLK

nRGMII_LINK0

INPUT

0: 100 Mbit/s (Full

Duplex) link at port 0

1: no link at port 0

RGMII_RX_CLK0

INPUT

Receive clock port 0

RGMII_RX_CTL_DATA_DDR_CLK0

OUTPUT

Receive control/data DDR

input clock port 0

RGMII_RX_CTL_DATA_DDR_NRESET0

OUTPUT

Receive control/data DDR

input reset (act. Low) port 0

RGMII_RX_CTL_DDR_L0

INPUT

Receive control DDR input

low port 0

RGMII_RX_CTL_DDR_H0

INPUT

Receive control DDR input

high port 0

RGMII_RX_DATA_DDR_L0

INPUT

Receive data DDR input

low port 0

RGMII_RX_DATA_DDR_H0

INPUT

Receive data DDR input

high port 0

RGMII_TX_CLK_DDR_CLK0

OUTPUT

Transmit clock DDR output

clock port 0

RGMII_TX_CLK_DDR_NRESET0

OUTPUT

Transmit clock DDR output

reset (port 0, act. Low)

RGMII_TX_CLK_DDR_L0

OUTPUT

Transmit clock DDR output

low port 0

RGMII_TX_CLK_DDR_H0

OUTPUT

Transmit clock DDR output

high port 0

RGMII_TX_CTL_DATA_DDR_CLK0

OUTPUT

Transmit control/data DDR

output clock port 0

RGMII_TX_CTL_DATA_DDR_NRESET0

OUTPUT

Transmit control/data DDR

output reset (port 0, act.

Low)

RGMII_TX_CTL_DDR_L0

OUTPUT

Transmit control DDR

output low port 0

RGMII_TX_CTL_DDR_H0

OUTPUT

Transmit control DDR

output high port 0

RGMII_TX_DATA_DDR_L0

OUTPUT

Transmit data DDR output

low port 0

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 140 141

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