QUALCOMM, Incorporated Bluetooth System on Chip CSR8670

Embedded Flash Solution for Bluetooth Audio Applications The CSR8670 SoC is an audio system-on-chip (SoC) solution with wireless connectivity, embedded flash memory and integrated capacitive touch sensors, enabling the creation of feature rich home entertainment and wearable audio products with a highly compelling user experience and superior audio performance. CSR8670 Specs Bluetooth Bluetooth Version Bluetooth 5.0 Bluetooth Radio +10dBm maximum output power (typical) -90dBm receiver sensitivity (basic rate, typical) USB USB Version USB 2.0 (Full Speed) USB Support Supports USB charger detection Audio Audio Technology Qualcomm® aptX™ codec technology Qualcomm® cVc™ audio technology Qualcomm TrueWireless™ Technology 16 bit audio data path Analog Microphone Input 2 analog mics/line inputs (up to 96kHz sample rate) Digital Microphone Input 6 digital mics Analog DAC output 2 analog DAC channels (up to 192kHz sample rate) Microphone Bias Generator 2 microphone bias generators Qualcomm® aptX™ playback support aptX Classic DSP DSP Technology Qualcomm® Kalimba™ DSP DSP Bit Architecture 24-bit DSP Clock Speed 80 MHz MCU MCU Clock Speed 80MHz Power Management Maximum Input Voltage 3.3V Charging Maximum Current 200 mA on chip 500 mA with external transistor Memory RAM 56KB RAM Flash 16MB Up to 64 MB external flash Interface Supported Interfaces UART Master I²C 1x PCM/I²S 1x SPDIF Input/Output ADC 2 ADCs DAC 2 DACs Maximum PIOs 29 PWM (LED) 3 Input Touch Sensor Inputs 6 touch sensor inputs Package Package Type VFBGA WLCSP 4.7 x 4.8 x 0.6 mm 0.5 mm pitch WLCSP 6.5 x 6.5 x 1 mm 0.5 mm pitch VFBGA Pitch 0.5mm