Advertisement
■ 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
Baseband and Software
■ 16Mbit external Flash
■ 48Kbyte internal RAM, allows full-speed data transfer, mixed voice/data and full piconet support
■ Logic for forward error correction, header error control, access code correlation, CRC,
demodulation, encryption bit stream generation, whitening and transmit pulse shaping
■ Transcoders for A-law, μ-law and linear voice from host and A-law, μ-law and CVSD voice
over air
Physical Interfaces
■ SPI with clock speeds up to 64MHz in Master mode and 32MHz in Slave mode
■ I2C master compatible interface
■ UART interface with programmable data rate up to 3Mbits/s with an optional bypass mode
■ USB v2.0 interface
■ Bi-directional serial programmable audio interface supporting PCM, I2S and SPDIF formats
■ Two LED drivers with faders
Kalimba DSP
■ Very low power Kalimba DSP co-processor, 64MIPS, 24-bit fixed point core
■ SBC decode takes approximately 4mW power consumption while streaming music
■ Single-cycle MAC; 24 x 24-bit multiply and 56-bit accumulator
■ 32-bit instruction word, dual 24-bit data memory
■ 6K x 32-bit program RAM, 16K x 24-bit + 12K x 24- bit data RAM
■ 64-word x 32-bit program memory cache when executing from Flash
Stereo Audio Codec
■ 16-bit internal stereo codec
■ Dual ADC and DAC for stereo audio
■ Integrated amplifiers for driving 16Ω speakers; no need for external components
■ Support for single-ended speaker termination and line output
■ Integrated low-noise microphone bias
■ ADC sample rates are 8, 11.025, 16, 22.05, 32 and 44.1kHz
■ DAC sample rates are 8, 11.025, 12, 16, 22.05, 24, 32, 44.1 and 48kHz
Advertisement
