BTM-640,CSR8640 module A2DP ROM module Bluetooth Multimedia ROM module

Product Description This is a Bluetooth Class2 (max 4dBm) module. It is based on CSR 8640 ROM version chip set which supports Bluetooth V3.0 standard. The Embedded Kalimba DSP Co-Processor support the advanced features such as echo cancellation, noise reduction ,and stereo audio (A2DP profile) communications. Advanced user interface design allows multipoint HFP or A2DP connections and secure simple pairing. The integrated stereo DAC provide high quality audio performance with SNR up to 95dB. Support digital audio bus such as PCM, I2S or SPDIF. And the on chip Switched-Mode Regulator and Li-ion battery charger eliminate the needs of external components and costs. The true single chip solution to audio applications. Internal ROM, serial flash and EEPROM enable the flexibilities of the module to meet various kinds of applications. Applications  High quality wireless stereo headset.  High quality wireless stereo speaker.  Hands-free car kits.  VOIP or land line phones wireless headsets. Product Benefits  Cost effective ROM version  Simple design and easy to use.  Flexible configurations for various kinds of applications Product Specification Dimension 13.4 x 13.4 x 2.7 mm (8M SPI Flash for voice prompts) 13.4 x 13.4 x 1.9 mm (EEPROM) Bluetooth Standard Bluetooth 3.0 RF Power 4dBm maximum Receiving Sensitivity -85dBm Program Memory ROM version Physical Interfaces Digital PIOs, Analogue IOs, Supply Voltage 2.7V – 4.25V