鈥?/div>
Build in 5-ports 10/100Mbps Switch engine with
following features
眉
Low cost SSRAM interface to reduce system cost
眉
One or two 64K*32bit SSRAM to buffer packets
眉
4/8 K MAC address look up Table is supported
眉
Address mapping of look up table can be linear or
use hash algorithm
眉
Auto learning and filtering
眉
Aging the look up table is supported optionally
眉
Aging time can be 1min to 640 mins 7 steps
眉
Three forwarding modes are supported : Store-
and-Forward, Fragment-Free and Auto Forward
which is based on network quality
眉
Flow-control is supported optionally
眉
802.3x flow control is supported when running in
full-duplex mode
眉
Back-pressure base flow control is supported
when running in half-duplex mode
眉
Ext. Buffer Memory auto testing
眉
Routing and Learning at wire speed (148800
packets/sec at 100Mbps)
鈥?/div>
LED display buffer utilization (%) for whole system
and external SSRAM test.
鈥?/div>
Power on LED diagnosis. All the LED display will
follow the 鈥淥N-OFF-ON-OFF-Normal鈥?operation
procedure during/after power on reset
鈥?/div>
60MHz Operation, 3.3volt, 208-pin PQFP
Product description
The AX88615 is a 5-ports 10/100 Mbps Ethernet switch with MII PHY or RMII PHY. It is design for low cost dumb
Switch application, e.g. SOHO Ethernet Switch, with low cost 64K*32 SSRAM buffer memory.
Key Applications
眉
眉
SOHO Ethernet Switch
IP Router
System Block Diagram
5 Port 10/100Mb SOHO Switch
AX88615
Switch Controller
1 or 2 64K*32 SSRAM
1 Quad RMII/MII PHY
RMII/MII PHY for Down-link or Server
Always contact ASIX for possible updates before starting a design.
This data sheet contains new products information. ASIX ELECTRONICS reserves the rights to modify the product specification without notice. No
liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product.
ASIX ELECTRONICS CORPORATION
First Released Date : APR/02/1999
http://www.asix.com.tw
2F, NO.13, Industry East Rd. II, Science-based Industrial Park, Hsin-Chu City, Taiwan, R.O.C.
TEL: 886-3-579-9500
FAX: 886-3-579-9558
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