HFA3842B Overview
TM PRELIMINARY Data Sheet HFA3842B June 2001 File Number 8020 PCMCIA/USB Wireless LAN Medium Access Controller The Intersil HFA3842B Wireless LAN Medium Access Controller is part of the PRISM® 2.4GHz radio chip set. The HFA3842B directly interfaces with the Intersil HFA386x family of Baseband Processors, offering a plete end-to-end chip set solution for wireless LAN products. Protocol and PHY support are implemented...
HFA3842B Key Features
- USB Host Interface supports USB V1.1 at 12Mbps, and is an alternative to the PC Card host interface
- New start up modes allow the PCMCIA Card Information Structure to be initialized from a serial EEPROM. This allows firmw
- Firmware can be loaded from serial Flash memory
- Direct attachment to a typical x16 SRAM using five control
- Low frequency crystal oscillator to maintain time and allow
- Improved performance of internal WEP engine
- On-chip execution can now be viewed while in debug
- Independent programmable cycle timing for external chip
- Pinout is backward patible with HFA3841
- IEEE802.11 Standard Data Rates: 1, 2, 5.5 and 11Mbps