BCM54220B0IFBG

BCM54220B0IFBG is Broadcom’s NetXtreme Gigabit Ethernet controller IC. It provides a complete 1 Gbps Ethernet MAC+PHY solution used in network interface cards and embedded Ethernet designs. The device typically appears to the host as a PCIe (or PCI) endpoint, offering standard Ethernet frames with DMA-based transfers, support for jumbo frames, and basic management features. The suffix B0IFBG indicates a specific revision/packaging and RoHS Pb‑free (the B0 revision in a particular package). Typical applications include desktop NICs, servers, and embedded adapters. For exact host interface details, feature set (offloads, wake-on-LAN, etc.), and register map, consult the official BCM54220 datasheet and hardware reference.

BCM54220B0IFBG is a single‑port Broadcom Ethernet controller (MAC + PHY) with a PCIe host interface. Key features include:
- 10/100/1000BASE‑T auto‑negotiation with auto MDI/MDI‑X
- PCI Express (x1) host interface with bus mastering and DMA
- Integrated 1000BASE‑T PHY
- Jumbo frames up to 9 KB
- Hardware offloads: TCP/UDP/IP checksum offload, large send offload (LSO)
- VLAN offload and 802.1Q tagging; supports VLAN QoS
- Wake-on-LAN and Energy Efficient Ethernet (EEE)
- Interrupt moderation and optimized TX/RX DMA for throughput
- Flow control (IEEE 802.3x/PAUSE) and multicast filtering
- Common NIC features: link status, wide compatibility with drivers
Note: Exact packaging/stepping is indicated by the B0IFBG suffix (BGA package, stepping B0).

- Pin count: 28 pins (28-pin package)
- Function: Broadcom BCM54220B0IFBG is a 10/100/1000BASE-T Ethernet PHY transceiver (physical layer) that connects the MAC to the copper Ethernet MDI, with MDIO/MDC management interface.

Manufacturer: Broadcom Inc.
Broadcom is an American multinational semiconductor company that designs and supplies a wide range of chips for networking, data center, wireless, storage, and enterprise infrastructure, and also offers infrastructure software solutions.

BCM54220B0IFBG is a 10/100/1000BASE-T Ethernet PHY. Applications include:
- LAN connectivity for desktops, notebooks, servers, NAS and other storage
- Network equipment such as switches, routers, gateways, and NICs
- Embedded and consumer electronics needing Ethernet PHYs (set-top boxes, IP cameras, printers)
- Industrial/automation equipment and telecom/datacom infrastructure requiring reliable gigabit Ethernet physical layer

FBGA package (Flip-Chip Ball Grid Array).