BlueCore4-Audio ROM

Overview

Key features of BlueCore4-Audio ROM

  • Fully Qualified Bluetooth® v2.0+EDR
  • Enhanced Data Rate (EDR) compliant with v2.0 of the specification for both 2Mbps and 3Mbps modulation modes
  • Full Speed Bluetooth operation with Piconet and Scatternet support
  • 6Mbits integral ROM
  • Low power 1.8V operation
  • Integrated switch-mode regulator
  • Integrated battery charger with programmable current
  • UART port
  • 15-bit linear audio CODEC
  • 4.2V tolerant LED drivers with intensity control
  • 8 x 8mm 96-ball TFBGA package

BlueCore4-Audio ROM is a single chip radio and baseband IC for Bluetooth 2.4GHz systems including enhanced data rates (EDR) to 3Mbps. The device contains 6Mbits of embedded ROM. When used with the CSR Bluetooth software stack, it provides a fully compliant Bluetooth system to v2.0 + EDR of the specification for data and voice communications.

BlueCore4-Audio ROM has been designed to reduce the number of external components required which ensures production costs are minimised. The device incorporates auto-calibration and built in self test (BIST) routines to simplify development, type approval and production test. All hardware and device firmware is fully compliant with the Bluetooth v2.0 + EDR specification (all mandatory and optional features).

Applications

  • Headsets
  • Automotive hands-free kits
  • General purpose Bluetooth systems requiring an on-chip audio CODEC