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| 型號(hào)： | GT-48212 |
| 廠商： | Galileo Technology Services, LLC |
| 英文描述： | Advanced Switched Ethernet Controllers for 10+10/100 BaseX(高級(jí)交換式 10+10/100 BaseX以太網(wǎng)控制器) |
| 中文描述： | 先進(jìn)的交換式以太網(wǎng)控制器的10 10/100 BaseX（高級(jí)交換式10 10/100 BaseX以太網(wǎng)控制器） |
| 文件頁(yè)數(shù)： | 38/135頁(yè) |
| 文件大?。?/td> | 1619K |
| 代理商： | GT-48212 |
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GT-482xx Switched Ethernet Controllers for 10+10/100 BaseX
GALI
LEO
TECHNOLOGY
CONFI
D
ENTI
AL
--
DO
NOT
REPRODUCE
132
Revision 1.2
PRELIMINARY
1.2
1/27/99
1. Applied new template and format.
2. Added List of Tables and Figures.
3. Added a block diagram illustrating a typical managed
switch with two 100Mbit ports + 12 10 Mbit ports.
4. Changed AClk max frequency to 66MHz and CClk
max frequency to 50MHz.
5. CClk frequency must be higher than 25% of AClk and
lower than total AClk.
6. Changed RxClk and TxClk on the expansion port to
max 60MHz frequency .
7. Added Appendix A on page135, illustration of the
IGMP packet formats.
information about two Galaxy devices connected with
an expansion port.
changed the number of different Unicast MAC
addresses and unlimited Multicast/Broadcast MAC
addresses recognized by GT-482xx from 8000 to
8192, and (2000 changed to 2,024 in 1Mbyte configu-
ration).
10. The following changes were made to Table 2, “Pin
- Symbol for DRAM Address changed from Addr[11:0]
to DAddr[11:0]
- In the description for the TxEN[0] symbol: Transmit
Enable, added that packet is transmitted on Port 0
- Corrected description "It should be driven at the fall-
ing edge of the clock" to "It should be driven at the
falling edge of the LEDClk"
- Corrected description for the MDIO symbol: Man-
agement Data Input/Output.
- Corrected description for the LEDClk symbol
- Added polarity information for Link Status and Serial
Link Status Indication
page 24, changed 1Mbyte address for CPU descrip-
tors.
"When the GT-482XX performs new address learning,
the forw[14:0] bits are set to 0x7FFF (all 1's)".
rected note about the treatment of incoming PAUSE
packets when flow control is disabled.
corrected FIFO size in 10Mbit port and 100Mbit port
units.
added information specific to two device configura-
tions.
Table 77: Document History (Continued)
D o cum e nt Ty pe
R e v. #
D at e
C omment s
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|---|---|
| GT48212-A6-PBB1C000 | 制造商:Marvell 功能描述: |
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| GT48300-A1-BBE1C083 | 制造商:Marvell 功能描述:Marvell GT48300-A1-BBE1C083 |
| GT48300-A1-BBE-C000 | 制造商:Marvell 功能描述:Marvell GT48300-A1-BBE-C000 |
| GT48300-A1-BBE-C08 | 制造商:Marvell 功能描述:MVLGT48300-A1-BBE-C083 4 PORT 83MHZ G.LI |
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