BC57E687BFeatures■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■_ì`êRJjìíáá~=bíê~Single Chip Bluetooth v2.1 + EDR SystemProduction Information BC57E687C Issue 1_ì`êRJjìíáá~=bíê~=E_`RTbSUT`F Product Technical OverviewFully Qualified Bluetooth v2.1 + EDR Specification System Best in Class Bluetooth Radio with 8dBm Transmit Power and -90dBm Receive Sensitivity 64MIPS Kalimba DSP Co-processor 16-bit Internal Stereo Codec: 95dB SNR for DAC Low-power 1.5V Operation, 1.8V to 3.6V I/O Integrated 1.5V and 1.8V Linear Regulators Integrated Switched-mode Regulator Integrated Battery Charger USB, I2C and UART with Dual-port Bypass Mode to 4Mbits/s Supports up to 32Mbit of External Flash Memory (8Mbit Typical Requirement) Multi-configurable I2S, PCM or SPDIF Interface Enhanced Audibility and Noise Cancellation 8 x 8 x 1……