fido2100 3-Port Industrial Ethernet DLR Switch with IEEE1588
Data Sheet
April 10, 2013
8.1 RECEIVE DATA, Internal MII Interface
An Ethernet packet received by the PHY will be transmitted to its respective port via an MII
interface. The PHY will transmit this data using the MII inputs: px_rxc, px_rxdv, px_rxer and
px_rxd[3:0]. Timing for the RECEIVE DATA is shown below in Figure 14.
Figure 14 Internal MII Interface, RECEIVE DATA
Table 13 RECEIVE DATA, External MII Interface
Description
Symbol
ttxdsu
min max unit
Receive Data SETUP time
Receive Data HOLD time
Receive Data Enable SETUP time
Receive Data Enable HOLD time
Receive Data Error SETUP time
Receive Data Error HOLD time
10
10
10
10
10
10
ns
ns
ns
ns
ns
ns
ttxdhd
ttxensu
ttxenhd
ttxersu
ttxerhd
44
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