CPU
32bit Dual-Core DSP
Maximum speed 160MHz
32KB ICache and 16KB DCache
IEEE754 Single precision FPU
Mathematical accelerate engine
Interrupts with 8 priority level
Memory
On-chip 640KB SRAM
Support MMU
Built-In Flash
Clocks
On-chip 16 MHz clock oscillator
On-chip 200 kHz lower-temperature-drift
clock oscillator
24 MHz crystal oscillator
DSP Audio Processing
SBC, AAC Audio decodes supported for BT
audio
mSBC voice codec supported for BT phone
Supports MP2, MP3, WMA, APE, FLAC,
AAC, MP4, M4A, WAV, AIF, AIFC audio
decoding
Packet Loss Concealment (PLC) for voice
processing
Single/Dual MIC Environmental Noise
Cancellation (ENC)
Multi-band DRC limiter
Multi-band EQ configuration for voice
Effects
Audio Codec
Two channels 24-bit DAC,SNR ≥ 104dB
Four channels 24-bit ADC,SNR ≥ 95dB
Audio DAC Sampling rates of
8kHz/11.025kHz/16kHz/22.05kHz/24kHz/
32kHz/44.1kHz/48kHz/64kHz/88.2kHz/
96kHz are supported
Audio ADC Sampling rates of
8kHz/11.025kHz/16kHz/22.05kHz/24kHz/32
kHz/44.1kHz/48kHz are supported
Support four digital/analog MIC inputs
Four channels analog audio inputs
Audio DAC supports differential cap-less
mode or single-ended mode
Direct drive 16ohm/32ohm Speaker loading
ANC
ANC processing engine up to 750 kHz sample
rate
7.5μs analog to analog latency
Supports 4 differential or single-ended analog
inputs, 4 digital microphone inputs for ANC
Supports 2 channels Feed-Forward,
Feed-Back, Hybrid ANC
ANC module include 20 double precision
Biquad filters for each FF/FB/ music
compensation control
Bluetooth
Compliant with Bluetooth
V5.3+BR+EDR+BLE specification
Support AoA/AoD direction finding
Support LE audio BIS/CIS full function
Meet class2 and class3 transmitting power
requirement
Maximum +9dbm transmitting power
EDR receiver with minimum -95dBm
sensitivity
Support a2dp\avctp\avdtp\avrcp\hfp\spp\smp\
att\gap\gatt\rfcomm\sdp\l2cap profile
bap 1.0\pacs 1.0\ccp 1.0\mcp 1.0\micp
1.0\vcp 1.0\csip 1.0
a2dp 1.3.2\avctp 1.4\avdtp 1.3\ avrcp
1.6.2\hfp 1.8 \spp 1.2\rfcomm 1.1\pnp 1.3\hid
1.1.1\sdp core5.3\l2cap core 5.3
