參數(shù)資料
型號: MDS213CG
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: 12-Port 10/100Mbps + 1Gbps Ethernet Switch
中文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA456
封裝: 35 X 35 MM, 2.33 MM HEIGHT, MS-034, HSBGA-456
文件頁數(shù): 103/120頁
文件大?。?/td> 1678K
代理商: MDS213CG
MDS213
Data Sheet
103
Zarlink Semiconductor Inc.
Default =0 - Disable
Bit [12]
Ext_Lpback
Setting this bit indicate an external loop-back
(connection of TXCLK, TXD[0:3] to RXCLK, RXD[0:3]
are required)
Default =0 -- Disable
Bit [13]
FC_Enable
Flow Control EnableDefault =0 - Disable
When enabled:
In
Half Duplex
mode, the MAC Transmitter applies back pressure for flow control.
In
Full Duplex
mode, the MAC Transmitter sends Flow-Control frames when necessary. The MAC Receiver
interprets and processes incoming Flow Control frames. The MAC Receiver marks all Flow Control Frames.
Receive DMA discards the received Flow Control Frame and send status reports to the Switch Manager for
statistic collection.
When Disabled:
The MAC Transmitter does not asserts flow control by sending Flow Control frames nor jamming collision.
The MAC Receiver still interprets and processes the Flow-Control frames. The MAC Receiver marks all
Flow Control frames. Receive DMA discards the received Flow Control frames and send a status report to
the Switch Manager for statistic collection.
Bit [14]
Link_Polarity
Selects the input polarity of Link Status signal
0 = Low true (Default)
1 = High true
Bit [15]
Tx_Enable
Enables MAC Transmitter for transmission
Default =0 - Disable
Bit [16]
Reserved
Bit [23:17] IFG
Inter-frame Gap (Default=7'd24)
Use to adjust the inter-frame gap. (Unit =transmit Clock.)
The default is 7'd24, stands for 24 transmit clock (each clock
transmit 4 bits).
Bit [31:24] Reserved
18.2.12.3 ECR2 - MAC Port Interrupt Mask Register
Access:
Non-Zero-Wait-State,
Direct Access,
Write/Read
Address:
h0x2*4
x: port number
h008
ECR2_p0
h048
ECR2_p1
h088
ECR2_p2
h0c8
ECR2_p3
h108
ECR2_p4
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