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CPU and Flexible IO
High performance 32bit RISC-V processor Core with DSP instruction
RISC-V typical speed: 125MHz
Program memory: internal 2M bit flash
Internal 60KB RAM for data and program
Flexible GPIO pins with Programmable pull-up and pull-down resistors
Support GPIO wakeup or interrupt
Audio Interface
High performance stereo DAC with 95dB SNR;
High performance mono ADC with 90dB SNR;
MIC amplifier input;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1, 48 and 96kHZ;
Four channel Stereo Analog MUX;
VID and PID information can be configured;
Audio head insertion and extraction detection;
Earphone microphone detection;
Automatic recognition of OMTP and CTIA headphones, and automatic adaptation;
Package
QFN20;
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;
- CPU： RISC-V + DSP擴(kuò)展 (125MHz)
- 封裝： QFN20
- 藍(lán)牙協(xié)議： 無
- Flash： 2 Mbit
- 內(nèi)置充電： 支持
- DAC： 立體聲
- ADC： 單聲道