DM9302
10/100Mbps Ethernet Fiber/Twisted Pair Media Converter with Local bus
1. GENERAL DESCRIPTION
The DM9302 Fiber converter is complied with
IEEE802.3 standards, and designed to convert data
signal between 10/100 Base-TX and 100 Base-FX
fast Ethernet.
Media converters are connected between Fiber
cable and twisted cable segments with network and
also the simplest way to interconnect any
equipment’s 100BASE-TX
/
10BASE-T to the
100BASE-FX interface network.
2. BLOCK DIAGRAM
Switch Engine
Memory
100M PECL
TXMT/
RXCR
Port
0
100M
MAC
Switch Fabric
Embedded
BIST
PECL
TX/RX
Memory
Switch
Memory
Port
1
10/100 M
PHY
10/100 M
MAC
Controller
Management
MDI MDIX
/
8 / 16 bit
Processor
Bus
Processor
Interface
Host
MAC
Control
MIB
EEPROM
Interface
EEPROM
Registers
Counters
Preliminarydatasheet
DM9302-15-DS-P01
July 30, 2009
9
DAVICOM [ DAVICOM SEMICONDUCTOR, INC. ]
