BCM4401
BCM4401
PRODUCT
Brief
I N T E G R AT E D
B C M 4 4 0 1
10/100
B C M 4 4 0 1
F E AT U R E S
PCI 2.2, mini PCI 1.0 compliant 10/100 Ethernet
• solution
• Fully integrated 10/100 MAC/PHY
• IEEE 802.3 compliant MAC/PHY
• Full-duplex flow control compliant with 802.3x
• IEEE802.1p/Q and 802.3x support
• 64-entry content addressable memory filtering
• SNMP, RMON integrated MIB counters
• Low-power IEEE 802.3u Fast Ethernet transceiver
• HP Auto-MDIX
• Remote boot PXE support
• Meets PCI power management interface v1.1 (ACPI)
Integrated 3.3V to 1.8V regulator for lowest system
• cost
• 0.18µ CMOS process
• Packaged in 196-pin FBGA or 128-pin LQFP
ETHERNET
F E AT U R E S
form factors:
• •Multiple
PCI 2.2 adapter—supports 2-layer PCB and low profile form
factor
• Mini PCI 1.0 for low-cost laptop solution
• LAN on Motherboard (LOM) option
software suite:
• Advanced
• Universal driver leverages mature NetXtreme™ BCM570x
enterprise driver architecture
• Windows® 2000, NT 4, Me, XP compatible
• Microsoft® certification
Pin-to-pin and software compatible with BCM5702 for
• seamless
migration to gigabit 10/100/1000
A P P L I C AT I O N S
• PCI Network Interface Cards (NIC)
• Mini PCI cards
• LAN on motherboards (LOM)
BCM4401 System Diagram
25 MHz
PCI Bus
RJ-45
Filter
Transformer
10/100
Ethernet
BCM4401
Serial
EEPROM
Operational
Serial
Boot ROM
Status
LEDs
B C M 4 4 0 1
O V E R V I E W
3.3V 1.8V
PCI_AD [31:0]
3.3V to 1.8V
Core Regulator
PCI_CBE_L [3:0]
PCI_FRAME_L
EXT_POR_L
PCI_IRDY_L
PCI_TRDY_L
Test
Interface
PCI_PERR_L
PCI_SERR_L
PCI
Bus
(for manufacturing
test only)
PCI_REQ_L
JTAG_TCK
JTAG_TDI
JTAG_TDO
JTAG
JTAG_TMS
JTAG_TRST_L
PCI_GNT_L
PCI Bus
Interface
PCI_DEVSEL_L
PCI_IDSEL
Tx
FIFO
PCI_PAR
EPHY_RDP
Ethernet
MAC
PCI_RST_L
PCI_INT_L
Ethernet
PHY
PCI_CLK
PCI_PME_L
EPHY_TDN
EPHY_TDP
XTAL_IN
Rx
FIFO
PCI_STOP_L
EPHY_RDN
10/100
Ethernet
XTAL_OUT
PCI_VIO
PCI_CLKRUN_L
LED_LO/
Serial EPROM
The BCM4401 10/100 Ethernet function incorporates a complete IEEE
802.3u compliant MAC and PHY. The MAC also supports 802.1p/Q,
802.3x, and management functions including RMON, Ethernet-like
MIB, and IEEE 802.3µ Ethernet MIB. The 10/100 PHY uses
Broadcom’s advanced Digi-PHY™ architecture for low power and
includes advanced power management. The 10/100 PHY also supports
auto-negotiation and HP Auto-MDIX functions to eliminate installation
errors.
Serial
Boot ROM
BOOT ROM_SCL
SPROM_DIN
SPROM_DOUT
SPROM_CS
SPROM_CLK
SPROM
Interface
LED
Interface
LED_L3
Ethernet
LEDs
BOOT ROM_SDA
PCI
Configuration
Registers
Serial BOOT ROM
By leveraging the NetXtremeTM BCM570x Gigabit Ethernet driver
architecture and the complete proven advanced software suite, the
BCM4401 10/100 solution brings enterprise-proven technology for
migrating business desktops and laptops to gigabit performance.
Ordering Infoprmation:
BCM4401KFB
BCM4401KQL
The BCM4401KFB is pin-to-pin and software compatible with the
BCM5702 32-bit PCI Gigabit Ethernet controller. This provides a
seamless migration path from Fast Ethernet to Gigabit Ethernet
capabilities using a single PCB design.
Broadcom®, the pulse logo®, Connecting EverythingTM, NetXtreme™ and Digi-PHY™ are
trademarks of Broadcom Corporation and/or its subsidiaries in the United States and certain
other countries. All other trademarks are the property of their respective owners.
BROADCOM CORPORATION
16215 Alton Parkway, P.O. Box 57013
Irvine, California 92619-7013
© 2002 by BROADCOM CORPORATION. All rights reserved.
4401-PB00-R-4.3.02
Phone: 949-450-8700
FAX: 949-450-8710
Email: info@broadcom.com
Web: www.broadcom.com
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