CSR

BlueCore4-PC-ROM™

For Computing

BlueCore®4-PC-ROM WLCSP: Single Chip Bluetooth® v2.1 + EDR System

Description

BlueCore4-PC-ROM WLCSP is a single-chip radio and baseband IC for Bluetooth 2.4GHz systems including EDR to 3Mbits/s.

With the on-chip CSR Bluetooth software stack, BlueCore4-PC-ROM WLCSP provides a fully compliant Bluetooth v2.1 + EDR specification system for data and voice communications.

Key features

  • Fully qualified Bluetooth® v2.1 + EDR specification
  • Full-speed Bluetooth operation with Piconet and Scatternet support
  • Ultra low power consumption
  • Minimum external components required
  • USB onterface
  • 4Mbit internal ROM
  • Support for 802.11 coexistence
  • Green (RoHS and no Antimony or Halogenated Flame Retardants)

Benefits

  • Designed to reduce the number of external components required which ensures production costs are minimised
  • The device incorporates auto-calibration and BIST routines to simplify development, type approval and production test
  • Hardware and device firmware is fully compliant with the Bluetooth v2.1 + EDR specification (all mandatory features) USB Dongles
  • Applications include PC Bluetooth modules

Product details

Radio

  • Common TX/RX terminals simplify external matching; eliminates external antenna switch
  • BIST minimises production test time
  • Bluetooth v2.1 + EDR specification compliant
  • Full RF example designs are available

Transmitter

  • 6dBm RF transmit power with level control from on-chip 6-bit DAC over a dynamic range >35dB
  • Class 2 and Class 3 support without the need for an external power amplifier or TX/RX switch
  • Class1 support using external power amplifier with RF power controlled by an internal 8-bit DAC
  • Supports DQPSK (2Mbps) and 8DPSK modulation (3Mbps) modulation

Receiver

  • Receiver sensitivity of -86dBm
  • Integrated channel filters
  • Digital demodulator for improved sensitivity and cochannel rejection
  • Real-time digitised RSSI available on HCI interface
  • Fast AGC for enhanced dynamic range
  • Channel classification
  • Supports DQPSK and 8DPSK modulation

Synthesiser

  • Fully integrated synthesiser requires no external VCO, varactor diode, resonator or loop filter
  • Compatible with crystals 8MHz to 40MHz or an external clock 8MHz to 40MHz
  • Accepts 14.40, 15.36, 16.2, 16.8, 19.2, 19.44, 19.68, 19.8 and 38.4MHz TCXO frequencies for GSM and CDMA devices with sinusoidal or logic level signals

Auxiliary Features

  • Crystal oscillator with built-in digital trimming
  • Power management includes digital shutdown, and wake up commands with an integrated low power oscillator for ultra low power Park/Sniff/Hold mode
  • Clock request output to control external clock
  • Device can run in low power modes from an external 32768Hz clock signal
  • On-chip regulator, producing 1.8V output from 2.2V to 5.6V input
  • Power-on-reset cell detects low supply voltage

Baseband and Software

  • 4Mbit internal ROM
  • 48Kbyte internal RAM, allows full speed data transfer, mixed voice and data, and full piconet operation, including all EDR packet types
  • Logic for forward error correction, header error control, access code correlation, CRC, demodulation, encryption bit stream generation, whitening and transmit pulse shaping. Supports all mandatory Bluetooth v2.1 + EDR specification features including eSCO and AFH
  • Transcoders for A-law, μ-law and linear voice from host and A-law, μ-law and CVSD voice over air
  • Standard HCI over USB

Package Option

  • 47-Ball 3.8 x 4.0 x 0.7mm 0.5mm pitch WLCSP
 
  • © 2012 CSR plc. All rights reserved | Bluetooth® is a trademark owned by the Bluetooth SIG., Inc.
  •  
  • CSR plc is a company registered in England and Wales. Registered office: Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ
  • Registered Number: 04187346 | VAT number (GB787433096)