AX88871AP ASIX [ASIX Electronics Corporation], AX88871AP Datasheet - Page 30

• Manufacturer Part Number: AX88871AP
• Description: 10/100BASE Dual Speed Bripeater Controller
• Manufacturer: ASIX [ASIX Electronics Corporation]

Appendix B: Using MII I/F connects to MAC
There are two ports of AX88871A can connect to MAC type MII interface. For example, Port 7 is
illustrated bellow.
Using MII interface to connect to 10Mbps MAC device
AX88871AP Bripeater
Note : 1. The MAC needs to run at halfduplex mode.
AX88871 / Repeater
AX88871 / Repeater
2. Care must be taken that the receive side has enough setup and/or hold time
3. Some kind of CPU with embbeded MAC can also refer to this example
COL_O7
TXEN7
(LCLK)
TXD7[3:0]
TXER7
CRS7
RXDV7
RXCLK7
RXD7[3:0]
RXER7
COL_O7
TXEN7
MCLK
TXD7[3:0]
TXER7
CRS7
RXDV7
RXCLK7
RXD7[3:0]
RXER7
Gnd
Gnd
10K
10K
30
application for AX88871A is illustrated bellow.
ASIX ELECTRONICS CORPORATION
25MHz
Clock
COL
CRS
RX_DV
RX_CLK
RXD[3:0]
RX_ER
TX_EN
TX_CLK
TXD[3:0]
TX_ER
COL
CRS
RX_DV
RX_CLK
RXD[3:0]
RX_ER
TX_EN
TX_CLK
TXD[3:0]
TX_ER
AX88195 / MAC
10Mbps MAC