DM9102F Ver la hoja de datos (PDF) - Davicom Semiconductor, Inc.
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DM9102F Datasheet PDF : 63 Pages
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T General Description
The DAVICOM’s DM9102 is a highly integrated single-
chip Fast Ethernet controller. It fully integrated 100BASE-
TX/10Base-T Fast Ethernet MAC, PHY and PMD. It is
fully compliant with PCI Spec. 2.1 and IEEE802.3u.
The DM9102 provides a direct interface to the PCI local
bus and direct connection to the network wire. As a
DM9102
10/100Mbps Single Chip LAN Controller
controller, it provides the bus master capability. The
DM9102 also supports auto-negotiation function that
enables it to detect speed and duplex automatically. Due
to the well-controlled rising/falling time, it requires no
external filter to transmit signal to the media.
T Block Diagram
TX+/-
RX+/-
EEPROM
Interface
Boot ROM
Interface
DMA
NRZI to MLT3
PHYceiver
NRZ to NRZI
Parallel to
Serial
Scrambler
4B/5B
Encoding
AEQ
MLT3 to NRZI
NRZI to NRZ
Parallel to
Serial
De-
Scrambler
4B/5B
Decoding
MAC
TX
Machine
TX
FIFO
MII
RX
Machine
RX
FIFO
PCI
Interface
LED Driver
Autonegotiation
MII Management Control
& MII Register
Final
1
Version: DM9102-DS-F03
August 30,2000
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