AD6973D
Datasheet
2
Confidential
The information contained herein is the exclusive property of JIELI and shall not be distributed, reproduced, or disclosed in whole or in part without
prior written permission of JIELI.
AD6973D Features
CPU
32-bit DSP supports hardware Float Point
Unit(FPU)
Up to 160MHz programmable processor
64Vectored interrupts
4 Levels interrupt priority
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
Acoustic echo cancellation/suppression
(AEC,AES)
Single analog MIC, Dual digital MIC
Environmental Noise Cancellation (ENC)
Multi-band DRC limiter
20-band EQ configuration for voice Effects
Audio Codec
Two channels 24-bit DAC, SNR >= 101dB
Two channels 24-bit ADC , SNR >= 92dB
Sampling rates of
8KHz/11.025KHz/16KHz/22.05KHz/
24KHz/32KHz/44.1KHz/48KHz are
supported
One analog MIC amplifier, build-in MIC
bias generator
Supports two PDM digital MIC inputs
One channel Stereo analog MUX
Supports cap-less, single-ended, and
differential mode at the DAC path
Supports 16ohm and 32ohm 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 amaximum+8dbm transmitting
power
receiver with -94dBm sensitivity
Fast AGC for enhanced dynamic range
Supports
a2dp\avctp\avdtp\avrcp\hfp\spp\smp\att\gap
gatt\rfcomm\sdp\l2cap profile
Peripherals
One full speed USB 2.0 OTG controller
Six multi-function 32-bit timers, support
capture and PWM mode
Three full-duplex basic UART, support
DMA mode
One hardware IIC interface supports host
and device mode
Two Built-in low power Cap Sense Keys
Built-in Cap Sense Key controller
10-bit ADC for analog sampling
External wake up/interrupt on all GPIOs
PMU
Low voltage LDO and DC-DC for internal
digital and analog circuit supply
2uA current consumption in the soft-off
mode
Built-in LDO and DC-DC for the core, I/O,
Bluetooth and flash
VBAT is 2.2V to 4.5V
VDDIO is 2.2V to 3.4V
Packages
QFN20(3mm*3mm)
Temperature
Operating temperature: -40 to+℃ 85 ℃
http://www.yunthinker.com QQ:371116160
