PMB8789

P R O D U C T Dual-Band Media Access Controller (MAC) for WLAN System Solutions The PMB 8789 WLAN media access controller is one chip of the wireless system solution from Infineon Technologies that addresses the need of the emerging market for wireless LAN and wireless home-networking products. Using a plurality of host interfaces, the PMB 8789 supports the MAC and data buffer management functions and is fully compliant with the IEEE802.11a/b and 11g WLAN standards. The PMB 8789 is designed to form an Infineon WLAN chipset in combination with the PMB 8680 dual-band RF Transceiver, the PMB 8825 dual-band Power Amplifier and the PMB 8787 dual-band Modem IC (PHY). B R I E F Features ■ Full implementation of the 802.11 WMAC protocol including the following: - IEEE 802.11a and 11g standards, including all optional data rates - IEEE 802.11b standard data rates - Supports up to 54 Mbit/s data rate WirelessLAN ■ Host interface support of the following: transfers at 33 MHz - MiniPCI Specification 1.0 - CardBus 32-bit, 33 MHz transfers - USB V1.1 - PCI V2.3 bus mastering device featuring 32-bit - PC card interface supports full 16-bit implementation per PCMCIA release 7 Applications ■ ■ ■ ■ ® ■ Multiple queue management facilities to support QoS provisions, including IEEE 802.11e QoS Supports 802.11i security encryption algorithms without impacting device throughput performance and latency: - Advanced Encryption Standard (AES) - Up to 128-bit wired equivalent privacy (WEP) - T...