AX88170L Datasheet, PDF (21/39 Pages) ASIX Electronics Corporation – USB to Fast Ethernet/HomePNA Controller

AX88170
CONFIDENTIAL
PRELIMINARY
6.4.5 MII Timing of PHY mode
Ttclk Ttch Ttcl
TXCLK(out)
Tts
Tth
TXD<3:0>(in)
TXEN(in)
Trclk Trch Trcl
RXCLK(out)
Trs
Trh
RXD<3:0>(out)
RXDV(out)
CRS(out)
Tcrsh
Symbol
Ttclk
Ttclk
Ttch
Ttch
Trch
Trch
Tts
Tth
Trclk
Trclk
Trch
Trch
Trcl
Trcl
Trv
Trh
Tcrsh
Description
Cycle time(100Mbps)
Cycle time(10Mbps)
high time(100Mbps)
high time(10Mbps)
low time(100Mbps)
low time(10Mbps)
TXD, TXEN setup to TXCLK high
TXD, TXEN hold to TXCLK high
Cycle time(100Mbps)
Cycle time(10Mbps)
high time(100Mbps)
high time(10Mbps)
low time(100Mbps)
low time(10Mbps)
RXD, RXDV valid to RXCLK high
RXCLK high to RXD, RXDV invalid
RXCLK high to CRS invalid
Min
Typ. Max Units
-
40
-
ns
-
400
-
ns
14
-
26
ns
140
-
260
ns
14
-
26
ns
140
-
260
ns
15
-
-
ns
0
-
-
ns
-
40
-
ns
-
400
-
ns
14
-
26
ns
140
-
260
ns
14
-
26
ns
140
-
260
ns
10
-
-
ns
10
-
-
ns
10
-
-
ns
21
ASIX ELECTRONICS CORPORATION