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MTD505 Datasheet

  • MTD505

  • 5 Port 10M/100M Ethernet Switch

  • 204.16KB

  • 19頁

  • ETC

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MYSON
TECHNOLOGY
FEATURES
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IEEE802.3 and IEEE802.3u compliant.
Provide 4 RMII and 1 MII/RMII ports.
Programmable 1K/8K MAC addresses filtering.
Store and forward switching function and bad
packet filtering function.
Optional back_pressure/802.3x flow control/
flooding control/broadcast control.
Optional EEPROM Interface for advanced
switch configurations.
1MB/2MB SGRAM/SDRAM flexible memory
interface.
Port VLAN/trunking.
Link/Rx activity, packet buffer utilization LED
display.
50MHz for non-blocking for 5 ports switch oper-
ation
Build in internal/external memory test function.
128 pin PQFP package, 3.3V operation volt-
age.
MTD505
(Preliminary)
GENERAL DESCRIPTION
The MTD505 complies fully with the
IEEE802.3, 802.3u and 802.3x specifications and
is a non-blocking 5 port 10M/100M Ethernet
switch device.
Support 4 RMII and 1 MII/RMII ports for
10M/100M operation. 1MByte/2MBytes memory
interface provides maximum 1365 packet buffers
for Ethernet packet buffering. Up to 8192 address
entrys are provided by the MTD505, and the
MTD505 use full Ethernet address compare algo-
rithm to minimize hashing collision events.
The MTD505 provides EEPROM interface
to config port trunking, port VLAN, static entry,
802.3x flow control threshold, flooding port,
broadcast control threshold. Each MTD505 port
support 10/100M auto-negotiation by MDC/MDIO
interface for connecting external PHY devices.
The MTD505 also provides 10 pins for
Link/RX activity, packet buffer utilization LED dis-
play function.
5 Port 10M/100M Ethernet Switch
BLOCK DIAGRAM
SDRAM/
SGRAM
Interface
Memory
Controller
DMA0
MAC0
RMII0
DMA1
MAC1
RMII1
DMA2
Memory
Arbiter
MAC2
RMII2
DMA3
MAC3
RMII3
DMA4
MAC4
RMII/MII4
Port
Switch
Logic
This datasheet contains new product information. Myson Technology reserves the rights to modify the product specification
without notice. No liability is assumed as a result of the use of this procuts. No rights under any patent accompany the sales of
the product.
1/19
MTD505 Revision 1.2 14/04/2000

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