AX88772 ASIX [ASIX Electronics Corporation], AX88772 Datasheet - Page 37
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AX88772
Manufacturer Part Number
AX88772
Description
USB to 10/100 Fast Ethernet/HomePNA Controller
Manufacturer
ASIX [ASIX Electronics Corporation]
Datasheet
1.AX88772.pdf
(42 pages)
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RX_CLK
RXD [3:0]
RX_DV, RX_ER
*1: For 10Mbps, the typical value of Ttclk and Trclk shall scale to 400ns.
*2: For 10Mbps, the typical value of Ttch, Ttcl, Trch, and Trcl shall scale to 200ns.
8.4.4 Station Management Timing
MDC
MDIO (as output)
MDIO (as input)
Symbol
Symbol
Trclk
Tclk
Trch
Tod
Trcl
Tch
Trh
Tcl
Trs
Th
Ts
RX_CLK clock cycle time *1
RX_CLK clock high time *2
RX_CLK clock low time *2
RXD [3:0], RX_DV, and RX_ER setup time
RXD [3:0], RX_DV, and RX_ER hold time
MDC clock cycle time
MDC clock high time
MDC clock low time
MDC clock falling edge to MDIO output delay
MDIO data input setup time
MDIO data input hold time
Description
Description
Tch
Tclk
USB to 10/100 Fast Ethernet/HomePNA Controller
Tod
Trclk
Tcl
Trs
Ts
Th
Trch Trcl
37
Min
Min
3.0
0.5
10
0
0
-
-
-
-
-
-
ASIX ELECTRONICS CORPORATION
Typ
40.0
20.0
20.0
Typ
666
333
333
-
-
-
-
-
Trh
Max
Max
2
-
-
-
-
-
-
-
-
-
-
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AX88772