Single Chip Bluetooth Audio ROM Platform
The CSR8635 QFN single-chip Bluetooth audio ROM device targets mid-range stereo speakers and headsets.
CSR8635 and Qualcomm Kalimba are products of Qualcomm Technologies, Inc., and/or its subsidiaries.
DSP
DSP Technology: Qualcomm® Kalimba™ DSP
MCU
MCU Clock Speed: 80MHz MCU
Bluetooth
Bluetooth Version: Bluetooth 4.1
Bluetooth Profiles: HFP v1.6, AVRCP v1.4, A2DP v1.2, DI v1.3, HSP v1.2
A2DP multipoint support: 2 A2DP sources
Bluetooth Radio: Up to +8dBm output power (typical), -91bBm receiver sensitivity (basic rate, typical)
USB
USB Version: USB 2.0 (Full Speed)
USB Support: Supports USB charger detection
General Audio
Audio Technology: Qualcomm® cVc™ audio technology, Talk-Time Extension
Equalizer: 5-band EQ
HFP multipoint support: 2 handsets
Charging
Maximum Current: 200 mA on chip, 500 mA with external transistor
Memory
RAM: 56 KB RAM
Interface
Supported Interfaces: I²S, I²C, PCM, SPI, UART
Input/Output
ADC: 1 ADC
DAC: 1 DAC
Maximum PIOs: 22
PWM (LED): 3
Package
Package Type: QFN
Pitch: 0.4mm Pitch
Package Size: 8 x 8 x 0.9 mm