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Zynq-7000 AP SoC Technical Reference Manual www.xilinx.com 529
UG585 (v1.11) September 27, 2016
Chapter 16: Gigabit Ethernet Controller
16.6.6 MDIO Interface Signals via MIO and EMIO
MDIO interface signals routed through the MIO and EMIO are identified in Table 16-13.
Tx Enable Tx Clk ~ EMIOENET[1,0]GMIITXEN O
Tx Error Tx Clk ~ EMIOENET[1,0]GMIITXER O
Tx Timestamp Signals
Tx Start-of-Frame Tx Clk ~ EMIOENET[1,0]SOFTX O
Tx PTP delay req frame detected Tx Clk ~ EMIOENET[1,0]PTPDELAYREQTX O
Tx PTP peer delay frame detect Tx Clk ~ EMIOENET[1,0]PTPPDELAYREQTX O
Tx PTP pear delay response frame
detected
Tx Clk ~ EMIOENET[1,0]PTPPDELAYRESPTX O
Tx PTP sync frame detected Tx Clk ~ EMIOENET[1,0]PTPSYNCFRAMETX O
Rx Signals
Rx Clock ~ EMIOENET[1,0]GMIIRXCLK I
Rx Data (7:0) Rx Clk EMIOENET[1,0]GMIIRXD[7:0] I
Rx Data valid Rx Clk EMIOENET[1,0]GMIIRXDV I
Rx Error Rx Clk EMIOENET[1,0]GMIIRXER I
Rx Timestamp Signals
Rx Start of Frame Rx Clk ~ EMIOENET[1,0]GMIISOFRX O
Rx PTP delay req frame detected Rx Clk ~ EMIOENET[1,0]PTPDELAYREQRX O
Rx PTP peer delay frame detected Rx Clk ~ EMIOENET[1,0]PTPPDELAYREQRX O
Rx PTP peer delay response frame
detected
Rx Clk ~ EMIOENET{0.1}PTPPDELAYRESPRX O
Rx PTP sync frame detected Rx Clk ~ EMIOENET{0.1}PTPSYNCFRAMERX O
Notes:
1. If using MII connect the RX[7:4] bits to logic zero.
Table 16-12: Ethernet GMII/MII Interface Signals via EMIO Interface (Cont’d)
Interface Signal
Reference
Clock
Default Controller
Input Value
EMIO Interface Signals
Name I/O
Table 16-13: MDIO Interface Signals via MIO and EMIO
MDIO Interface
Default
Controller
Input Value
MIO Pins EMIO Interface Signals
GigE 0 GigE 1 I/O
Name Name
I/O
MD clock output ~ 52 52 O MDIO_CLK EMIOENET[1:0]MDIOMDC O
MD data output ~
53 53 IO MDIO_IO
EMIOENET[1:0]MDIOO O
MD data 3-state ~ EMIOENET[1:0]MDIOTN O
MD data input 0 EMIOENET[1:0]MDIOI I