dm8603 Davicom Semiconductor, Inc., dm8603 Datasheet
dm8603
Manufacturer Part Number
dm8603
Description
10/100 Mbps 3 - Port Ethernet Switch Controller With Mii / Rmii Interface
Manufacturer
Davicom Semiconductor, Inc.
Datasheet
1.DM8603.pdf
(2 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
dm8603-CHZ-C
Manufacturer:
MAGNUM
Quantity:
220
1. Features
2
Fast Ethernet Controller. As a fast Ethernet switch, the DM8603 consists of two PHY ports and a port with either
MII or RMII interface. As the DM8603 was designed with our customers’ requirements in mind, the switch has
built-in versatility and is specifically designed for various data, voice, and video applications needs.
and in an effort for maximum application flexibility, the other port on the DM8603 offer the options to either
connect with an Ethernet PHY, reversed MII, or RMII. The reversed MII configuration is used to connect with
SoC’s with a MII interface. The RMII interface is the alternative interface configuration in case of the need to
connect a lower pin count Ethernet PHY or SoC.
proper bandwidth, each port also supports ingress and/or egress rate control. In support of efficient packet
forwarding, the DM8603 has port-based VLAN with tag/un-tag functions for up to 16 groups of 802.1Q. Each
Preliminary
Version: 1.0
2010/6/14
.
The DM8603 is Davicom’s new fully integrated, high performance, and cost-effective three port 10M/100Mbps
The two PHY ports on the DM8603 are IEEE 802.3/u standards compliant. Aside for the first two PHY ports
To maximize the performance of each port, the DM8603 was designed with many features in mind. For
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General Description
IEEE 802.3/u 10Base-T/100Base-TX
compatible
Ethernet Switch Ports:
Supports auto crossover function - HP
Auto-MDIX
Flow Control
Per port support bandwidth, ingress and
egress rate control
Per port support priority queues
Support 802.1Q VLAN for up-to 16 VLAN
groups
Support VLAN ID tag/untag options
Support special Tag, double tag header
Supports up-to 1K Uni-cast MAC addresses
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Two 10/100Mbps PHY
One MII/RMII interface with
Reversed - MII support
Supports IEEE 802.3x Flow Control
in Full-duplex mode
Supports Back Pressure Flow
Control in Half-duplex mode
Each port with four queues
Port-based, 802.1P VLAN, or IP TOS
priority
10/100 Mbps 3 - port Ethernet Switch Controller With MII / RMII Interface
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Supports store and forward switching
approach
Supports Broadcast Storming filter function
Supports Serial Data Management Interface
Automatic aging scheme
Snooping Hardware Support
Support STP/RSTP
Support LFP (Link Fault Pass-through)
Support MIB counters for diagnostic
EEPROM interface for power up
configurations
EEPROM 93C46 or 93C56 auto detection
Package
Power
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IGMP v1
IGMP v2
MLD v1
64-pin LQFP
56-pin QFN
3.3V single voltage support,
1.8V internal core
Compatible with 3.3V and 5.0V
tolerant
I/
Os
DM8603
1
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dm8603 Summary of contents
Page 1
... The DM8603 is Davicom’s new fully integrated, high performance, and cost-effective three port 10M/100Mbps Fast Ethernet Controller fast Ethernet switch, the DM8603 consists of two PHY ports and a port with either MII or RMII interface. As the DM8603 was designed with our customers’ requirements in mind, the switch has built-in versatility and is specifically designed for various data, voice, and video applications needs ...
Page 2
... In designing for the requirements of various data, voice, and video applications, enough internal memory has been provided for usage of the DM8603’s three ports, and the internal memory supports uni-cast MAC address table. Then to meet the demands of various bandwidth and latency issues in data, voice, and video applications, each port of the DM8603 has four priority transmit queues ...