Broadcom BCM4312

Broadcom BCM4312

Single-chip 11 a/b/g
802.11a/b/g MAC/PHY
Integrated dual-band a/b/g radio
PCIe™ 1.1 bus support
SDIO (SD 4-bit, 1-bit, and SPI) host interface support at clock
speeds up to 50 MHz
Highly integrated with on-chip 1.2V regulators for radio and
baseband requires only a single 3.3V external supply
Two-layer, single-sided PCB
Reduces RBOM by 50% compared to previous 802.11b/g
solutions
Combo Bluetooth ® ready
Broadcom’s bluetooth coexistence support (2 and 3-wire
interfaces)
Shared antenna architecture requires only two-antennas for
WLAN and Bluetooth operation on a single card
Multi-BSSID support (up to 16 SSIDs)
Consumes 40% less power than previous solution
BroadRange™ and improved RX sensitivity
Security: WEP, WPA Personal, WPA2 Personal, WMM,
WMM-PS (UA-PSE), TKIP, and AES hardware acceleration
Reference Designs Available
PCIe MiniCards
PCIe Half-MiniCards
SDIO modules
PCIe MiniCard Bluetooth Combo
Software Support
Windows® 2K, XP, Vista
Linux® operating systems
IEEE 802.1x
CCXv4, CCX v5
In volume production today
Package
10 mm x 10 mm 144-pin FBGA package (0.8 mm pitch)
Ordering information
BCM94312KFBG - 10 mm × 10 mm 144-pin FBGA (lead free)