La description
CPU********************************-
**-bit DSP supports hardware Float Point
Unit (FPU)
Up to **0MHz programmable processor
*4Vectored interrupts
4 Levels interrupt priority
DSPAudio Processing****************-
SBC, AACAudio decodes supported for BT
audio
mSBC voice codecs 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
Acoustic echo cancellation/suppression
(AEC,AES)
Single/Dual MIC Environmental Noise
Cancellation (ENC)
Multi-band DRC limiter
**-band EQ configuration for voice Effects
Audio Codec***********************-
One channels **-bit DAC, SNR >= *5dB
One channels **-bitADC , SNR >= *0dB
Sampling rates of
8KHz/*1.**5KHz/*6KHz/*2.*5KHz/*4KHz/
*2KHz/*4.1KHz/*8KHz are supported
One analog MIC amplifier, build-in MIC bias
generator
Supports two PDM digital MIC s
Two channels Mono analog MUX
Supports cap-less, single-ended, and
differential mode at the DAC path
Supports *6ohm and *2ohm Speaker loading
Bluetooth-**********************-
Compliant with Bluetooth
V5.1+BR+EDR+BLE specification
Meet class1 class2 and class3 transmitting
power requirement
Support GFSK and π/4 DQPSK all packet
types
Provides *6dbm transmitting power
receiver with **0dBm sensitivity
FastAGC for enhanced dynamic range
Supports
a2dpavctpavdtpavrcphfpsppsmpattgapg
attrfcommsdpl2cap profile
Peripherals*********************-
One full speed USB 2.0 OTG controller
Six multi-function **-bit timers, support
capture and PWM mode
Three full-duplex basic UART, UART0 and
UART1 supports DMAmode
One hardware IIC interface supports host and
device mode
**-bitADC for analog sampling
External wake up/interrupt on all GPIOs
PMU****************************-
Low voltage LDO for internal digital and
analog circuit supply
3uAcurrent consumption in the soft-off mode
Built-in LDO for the core, I/O, Bluetooth and
flash
VBATis 2.2V to 5.5V
VDDIO is 2.2V to 3.6V
Packages***********************-
QSOP*4
Temperature********************-
Operating temperature: **0℃ to **0℃
Storage temperature: **5℃ to ***0℃
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