Download Embedded Peripherals IP User Guide

40-4
UG-01085
2015.11.06
Altera GMII to RGMII Adapter Core Interface
Interface Name: hps_gmii
Description: GMII/MII interface facing Altera HPS Emac Interface Splitter core
Signal
Width
Direction
Description
mac_rst_tx_n
1
Input
GMII/MII transmit reset
source from HPS. Active low
reset
mac_rst_rx_n
1
Input
GMII/MII receive reset
source from HPS. Active low
reset
mac_txd
8
Input
GMII/MII transmit data
from HPS
mac_txen
1
Input
GMII/MII transmit enable
from HPS
mac_txer
1
Input
GMII/MII transmit error
from HPS
mac_rxdv
1
Output
GMII/MII receive data valid
to HPS
mac_rxer
1
Output
GMII/MII receive data error
to HPS
mac_rxd
8
Output
GMII/MII receive data to
HPS
mac_col
1
Output
GMII/MII collision detect to
HPS
mac_crs
1
Output
GMII/MII carrier sense to
HPS
mac_speed
2
Input
MAC speed indication from
HPS
Table 40-6: phy_rgmii
Interface Name: phy_rgmii
Description: RGMII interface facing PHY device.
Signal
Width
Direction
Description
rgmii_tx_clk
1
Output
RGMII transmit clock to
PHY
rgmii_rx_clk
1
In
RGMII receive clock from
PHY
rgmii_txd
4
Output
RGMII transmit data to PHY
rgmii_tx_ctl
1
Output
RGMII transmit control to
PHY
Altera Corporation
Altera GMII to RGMII Adapter
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