AL116 Allayer Communications, AL116 Datasheet
AL116
Manufacturer Part Number
AL116
Description
Manufacturer
Allayer Communications
Datasheet
1.AL116.pdf
(2 pages)
Specifications of AL116
Case
QFP
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Figure 1
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8 Port 10/100 Mbit/s Dual Speed Fast Ethernet Switch
Product Description
The AL116 is an eight-port 10/100 Mbit/s dual speed Ethernet switch. A low-cost and scalable
solution for up to 32 ports is achieved through using low-cost buffer memory and Allayer’s
proprietary RoX architecture. In addition, the AL116 supports VLAN and multiple-link
aggregation trunks.
Supports eight 10/100 Mbit/s Ethernet ports
with MII and RMII interface
Capable of trunking up to 800 Mbit/s link
Full- and half-duplex mode operation
Speed auto-negotiation through MDIO
Built-in storage of 1K MAC addresses
expandable to 16K
Designed to utilize low-cost SGRAM
Scalable design for stackable switch imple-
mentation
RoX expansion link supports 4.8 Gbit/s
throughput
Serial EEPROM interface for low-cost sys-
tem configuration
Gigabit Ethernet ready
System Block Diagram
10/100 MAC
10/100 MAC
10/100 MAC
10/100 MAC
10/100 MAC
10/100 MAC
10/100 MAC
10/100 MAC
Reference Only / Allayer Confidential
High Speed
Switch Fabric
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Management
Information
Automatic source address learning
Secure mode traffic filtering
Broadcast storm control
Port monitoring support
IEEE 802.3x flow control for full-duplex
operation
Optional backpressure flow control support
for half-duplex operation
Supports store-and-forward mode switching
VLAN support
RMON and SNMP support with external
management (MIB) device
0.35 micron, 3.3V CMOS technology
Packaged in 456-pin BGA
Switch
Controller
Address
Control
Address
Table
Advance Information
Expansion
Interface
EEPROM
Interface
Address
Table
Expansion
Buffer
Manager
AL116
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AL116 Summary of contents
Page 1
... Gigabit Ethernet ready Product Description The AL116 is an eight-port 10/100 Mbit/s dual speed Ethernet switch. A low-cost and scalable solution for ports is achieved through using low-cost buffer memory and Allayer’s proprietary RoX architecture. In addition, the AL116 supports VLAN and multiple-link aggregation trunks ...
Page 2
... With this method of flow-control, the switch will generate a jam signal when the receive-buffer is full. The sending station will not transmit until the line is clear. In the full-duplex mode, the AL116 utilizes IEEE 802.3x as the flow-control mechanism. ...