AX88170L ASIX [ASIX Electronics Corporation], AX88170L Datasheet - Page 22

• Manufacturer Part Number: AX88170L
• Description: USB to Fast Ethernet/HomePNA Controller
• Manufacturer: ASIX [ASIX Electronics Corporation]

6.4.6 RMII Interface Timing of PHY Mode
REF_CLK
TX_EN
(in)
TXD
(in)
CRS_DV
(out)
RXD
(out)
Symbol
Tclk
Tch
Tod
Tcl
Th
Ts
REF_CLK Clock Cycle Time
REF_CLK Clock High Time
REF_CLK Clock Low Time
TXEN and TXD data setup to REF_CLK high
TXEN and TXD data hold from REF_CLK high
REF_CLK rising edge to CRS_DV, RXD delay
AX88170
Tclk
Description
Ts
Tod
22
Tch
19.998
Min
7
7
4
2
4
Th
Tod
Tcl
ASIX ELECTRONICS CORPORATION
Typ.
20
10
10
20.002
Max
13
13
PRELIMINARY
CONFIDENTIAL
ns
ns
ns
ns
ns
ns
Units