参数资料
型号: ZL50418GKG2
厂商: ZARLINK SEMICONDUCTOR INC
元件分类: 网络接口
英文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA553
封装: 37.50 X 37.50 MM, 2.33 MM HEIGHT, LEAD FREE, MS-034, HSBGA-553
文件页数: 88/155页
文件大小: 1928K
代理商: ZL50418GKG2
ZL50418
Data Sheet
38
Zarlink Semiconductor Inc.
The PCS auto-negotiation process allows the ZL50418 to exchange configuration information between two devices
that share a link segment and to automatically configure the link for the appropriate speed of operation for both
devices.
2.2.2.2
TBI Interface
The TBI interface can be used for 1000M fiber operation. In this mode, the ZL50418 is connected to the SERDES
as shown in Figure 4. To enable the PCS module and TBI interface, the corresponding Gn_TXEN and Gn_TXER
pins need to be boot strapped.
Figure 4 - TBI Connection
2.2.3
CPU MAC Module (CMAC)
The CPU Media Access Control (CMAC) module provides the necessary buffers and control interface between the
Frame Engine (FE) and the external CPU device. It support a register access mechanism via the 8/16-bit CPU
interface (bootstrap pin TSTOUT6 makes the selection).
The CMAC port is denoted as port 24.
Gn_TXD[9:0]
Gn_TXCLK
Gn_RXD[9:0]
Gn_RXCLK
Gn_COL
R[9:0]
RBC0
RBC1
T[9:0]
REFCLK
Switch
SERDES
Gn_CRS
SD
From
Transceiver
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