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參數(shù)資料
| 型號： | MDS108A |
| 廠商： | Zarlink Semiconductor Inc. |
| 英文描述： | Unmanaged 9-Port 10/100 Mbps Ethernet Switch |
| 中文描述： | 非托管9端口10/100 Mbps以太網(wǎng)交換機 |
| 文件頁數(shù)： | 19/37頁 |
| 文件大?。?/td> | 308K |
| 代理商： | MDS108A |
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MDS108
Data Sheet
19
Zarlink Semiconductor Inc.
12.14 TOSDM – TOS Discard Map
Access: parallel interface and I
2
C, Read/Write
Address: h0A
12.15 AXSC – Transmission Scheduling Control Register
Access: parallel interface and I
2
C, Read/Write
Address: h0B
12.16 MII_OP0 – MII Register Option 0
Access by parallel interface and I
2
C, Read/Write
Address: h0C
Bit 4
EN2
Port 2: Enable; 1 = enabled
(Default 0)
Bit 5
P2
Port 2: Priority; 1 = high, 0 = low
(Default 0)
Bit 6
EN3
Port 3: Enable; 1 = enabled
(Default 0)
Bit 7
P3
Port 3: Priority; 1 = high, 0 = low
(Default 0)
Map TOS into frame discard levels (0 = low drop, 1 = high drop).
Bit 0
Frame discard when TOS is 0
(Default 0)
Bit 1
Frame discard when TOS is 1
(Default 0)
Bit 2
Frame discard when TOS is 2
(Default 0)
Bit 3
Frame discard when TOS is 3
(Default 0)
Bit 4
Frame discard when TOS is 4
(Default 0)
Bit 5
Frame discard when TOS is 5
(Default 0)
Bit 6
Frame discard when TOS is 6
(Default 0)
Bit 7
Frame discard when TOS is 7
(Default 0)
Bits [3:0]
Transmission Queue Service Weight for high
priority queue
(Default F)
Bit [5]
Global Quality of Service Enable
(Default 0)
Bit [6]
Global Flow Control Disable – if 1, flow control is
disabled globally; if 0, each port’s flow control
settings are separately configurable
(Default 0)
Bit [7]
Half Duplex Priority Enable – if 0, priority is
disabled for all half duplex ports; if 1, priority is
enabled unless AXSC[5] = 0
(Default 0)
Permits a non-standard address for the Phy Status Register. When low and high Address
bytes are 0, the MDS108 will use the standard address.
Bit [7:0]
Low order address byte
(Default 00)
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