DM9010BI
Industrial-temperature Single Chip Ethernet Controller with General Processor Interface
1. GENERAL DESCRIPTION
The DM9010BI is a fully integrated and cost-effective
Industrial-temperature single chip Fast Ethernet MAC
controller with a general processor interface, a
10/100M PHY and 16K Byte SRAM. It is designed
with low power and high performance process that
support 3.3V with 5V tolerance.
The DM9010BI also provides a MII interface to connect
HPNA device or other transceivers that support MII
interface.
The DM9010BI supports 8-bit, 16-bit and 32-bit uP
interfaces to internal memory accesses for different
processors. The PHY of the DM9010BI can interface to
the UTP3, 4, 5 in 10Base-T and UTP5 in 100Base-TX. It is
fully compliant with the IEEE 802.3u Spec. Its
auto-negotiation function will automatically configure the
DM9010BI to take the maximum advantage of its abilities.
The DM9010BI also supports IEEE 802.3x full- duplex flow
control. This programming of the DM9010BI is very simple,
so user can port the software drivers to any system easily.
2. BLOCK DIAGRAM
LED
External MII
Interface
EEPROM
Interface
PHYceiver
-
100BaseTX
transceiver
TX+/-
Auto -
MDIX
RX+/-
10 Base T
/
Tx Rx
100 Base- TX
PCS
MII
MAC
TX Machine
Control & Status
Registers
Memory
Management
RX Machine
Internal
SRAM
Autonegotiation
MII Management
Control
& MII Register
Preliminary
Version: DM9010BI--DS-P01
January 12, 2010
Processer
Interface
5
DAVICOM [ DAVICOM SEMICONDUCTOR, INC. ]
