BCM4401

PRODUCT
I N T E G R AT E D
B C M 4 4 0 1 F E AT U R E S

Brief
ETHERNET
F E AT U R E S

10/100

B C M 4 4 0 1

PCI 2.2, • solution mini PCI 1.0 compliant 10/100 Ethernet • 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

form factors: • •Multipleadapter—supports 2-layer PCB and low profile form PCI 2.2 factor • Mini PCI 1.0 for low-cost laptop solution • LAN on Motherboard (LOM) option

software suite: • Advanced driver leverages mature NetXtreme™ BCM570x • Universal enterprise driver architecture • Windows® 2000, NT 4, Me, XP compatible • Microsoft® certification

Pin-to-pin and software compatible with • seamless migration to gigabit 10/100/1000BCM5702 for

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 10/100 Ethernet

Filter Transformer

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] PCI_CBE_L [3:0] PCI_FRAME_L PCI_IRDY_L PCI_TRDY_L PCI_PERR_L PCI_SERR_L

3.3V to 1.8V Core Regulator
EXT_POR_L JTAG_TCK JTAG_TDI JTAG_TDO JTAG_TMS JTAG_TRST_L

Test Interface
(for manufacturing test only)

JTAG

PCI Bus

PCI_REQ_L PCI_GNT_L PCI_DEVSEL_L PCI_IDSEL PCI_PAR PCI_RST_L PCI_INT_L PCI_CLK PCI_STOP_L PCI_PME_L PCI_VIO PCI_CLKRUN_L

PCI Bus Interface

Tx FIFO Ethernet MAC Rx FIFO Ethernet PHY

EPHY_RDP EPHY_RDN EPHY_TDN EPHY_TDP XTAL_IN XTAL_OUT

10/100 Ethernet

LED_LO/

PCI