ax88783lf ASIX Electronics Corporation, ax88783lf Datasheet - Page 50

• Manufacturer Part Number: ax88783lf
• Description: 2-port 10/100m Fast Ethernet Controller
• Manufacturer: ASIX Electronics Corporation

6.5.6 RMII and Reverse RMII Timing
REFCLK_I
REFCLK_I
RXD[1:0]
TXD[1:0]
RXCLK: Port 0 and Port 1 MII Transmit clock. (MII0_RX_CLK, MII1_RX_CLK)
RXD:
RXDV: Port 0 and Port 1 MII Transmit Data Valid (MII0_RX_DV, MII1_RX_DV)
TXCLK: Port 0 and Port 1 MII Receive clock. (MII0_TX_CLK, MII1_TX_CLK)
TXD:
TXEN: Port 0 and Port 1 MII Receive Data Valid (MII0_TX_EN, MII1_TX_EN)
CRSDV
TXEN
Symbol
Symbol
Tref_clk
Tref_ch
Tref_rh
Tref_cl
Tref_rs
Tref_th
Tref_ts
Port 0 and Port 1 MII Transmit Data bus include MII0_RXD0, MII0_RXD1, MII1_RXD0, and MII1_RXD1.
Port 0 and Port 1 MII Receive Data bus include MII0_TXD0, MII0_TXD1, MII1_TXD0, and MII1_TXD1.
Clock cycle time
Clock high time
Clock low time
RXD [1:0], CRSDV setup to rising
RXD [1:0], CRSDV hold from rising
TXD [1:0], TXEN setup to rising
TXD [1:0], TXEN hold from rising
Tref_ch
Tref_ch
Tref_ch
Tref_ch
Tref_c l
Tref_c l
Tref_rs
Tref_c l
Tref_c l
Tref_ts
Description
Description
Tref_clk
Tref_clk
Tref_clk
Tref_clk
REFCLK_I
REFCLK_I
REFCLK_I
REFCLK_I
50
2-Port 10/100M Fast Ethernet Controller
Min
Min
4.0
2.0
4.0
2.0
-
-
-
ASIX ELECTRONICS CORPORATION
20.0
10.0
10.0
Typ
Typ
-
-
-
-
Tref_rh
Tref_th
Max
Max
-
-
-
-
-
-
-
Non-PCI 8/16/32-Bit
AX88782/AX88783
Unit
Unit
ns
ns
ns
ns
ns
ns
ns