技术特性

• Based on Ericsson technology licensing baseband core (EBC)
• Bluetooth™ specification compliance: V2.1 + EDR ("Lisbon")
  • Point-to-point, point-to-multipoint (up to 7 slaves) and scatternet capability
  • Support ACL and SCO links
  • Extended SCO (eSCO) links
  • Faster connection
• HW support for packet types
  • ACL: DM1, DM3, DM5, DH1, DH3, DH5, 2- DH1, 2-DH3, 2-DH5, 3-DH1, 3-DH3, 3-DH5
  • SCO: HV1, HV3 and DV
  • eSCO: EV3, EV4, EV5, 2-EV3, 2-EV5, 3- EV3, 3-EV5
• Adaptive frequency hopping (AFH)
• Channel quality driven data rate (CQDDR)
• "Lisbon" features
  • Encryption pause/resume (EPR)
  • Extended inquiry response (EIR)
  • Link supervision time out (LSTO)
  • Secure simple pairing
  • Sniff subrating
  • Quality of service (QoS) Packet boundary flag Erroneous data delivery
• Transmit power
  • Power class 2 and power class 1.5 (above 4 dBm)
  • Programmable output power
  • Power class 1 compatible
• HCI
  • HCI H4 and enhanced H4 transport layer
  • HCI proprietary commands (e.g. peripherals control)
  • Single HCI command for patch/upgrade download
  • eSCO over HCI supported
• Supports pitch-period error concealment (PPEC)
• Efficient and flexible support for WLAN coexistence scenarios
• Low power consumption
  • Ultra low power architecture with 3 different low-power levels
  • Deep sleep modes, including host-power saving feature
  • Dual wake-up mechanism: initiated by the host or by the Bluetooth device
• Communication interfaces
  • Fast UART up to 4 MHz
  • Flexible SPI interface up to 13 MHz
  • PCM interface
  • Up to 10 additional flexibly programmable GPIOs
  • External interrupts possible through the GPIOs
  • Fast I²C interface as master
• Clock support
  • System clock input (digital or sine wave) at 9.6, 10, 13, 16, 16.8, 19.2, 26, 33.6 or 38.4 MHz
  • Low power clock input at 3.2 kHz, 32 kHz and 32.768 kHz
• ARM7TDMI CPU
• Memory organization
  • On chip RAM, including provision for patches
  • On chip ROM, preloaded with SW up to HCI
• Ciphering support up to 128-bit key
• Single power supply with internal regulators for core voltage generation
• Supports 1.65 V to 2.85 V I/O systems
• Auto calibration (VCO, filters)

功能框图