zl50409 Zarlink Semiconductor, zl50409 Datasheet - Page 18

• Manufacturer Part Number: zl50409
• Description: Managed 9-port 10/100m Ethernet Switch
• Manufacturer: Zarlink Semiconductor

The ZL50409 Fast Ethernet uplink port (port 9) supports 1 interface option: MII. The table below summarizes the
interface signals required for each interface, and how they relate back to the Pin Symbol name shown in “Ball
Signal Description Table” on page 12.
M9_RXD0
M9_RXD1
M9_RXD2
M9_RXD3
M9_RXDV
M9_CRS
M9_COL
M9_RXCLK
M9_TXD0
M9_TXD1
M9_TXD2
M9_TXD3
M9_TXEN
REF_CLK
M9_MTXCLK
Fast Ethernet
Pin Symbol
Uplink Port
Table 2 - Signal Mapping In Different Operation Mode
Zarlink Semiconductor Inc.
TSTOUT9=’1’)
ZL50409
Module
(Bootstrap
(U)
(U)
(U)
(U)
(U)
(D)
(D)
(U)
(O)
(O)
(O)
(O)
(U)
(U)
(U)
No
18
M9_RXD0 (I)
M9_RXD1 (I)
M9_RXD2 (I)
M9_RXD3 (I)
M9_RXDV (I)
M9_CRS (I)
M9_COL (I)
M9_RXCLK (IO)
M9_TXD0 (O)
M9_TXD1 (O)
M9_TXD2 (O)
M9_TXD3 (O)
M9_TXEN (O)
REF_CLK (I)
M9_MTXCLK (I)
(ECR4P9[4:3]='11')
MII Mode
Data Sheet