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CPU and Flexible IO
High performance 32bit RISC-V processor Core with DSP instruction
RISC-V typical speed: 140MHz
Program memory: internal 4M bit flash
Internal 320KB 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 104dB SNR, support differential mode and VCMBUF mode;
High performance mono ADC with 102dB SNR;
One channel MIC amplifier input;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1, 48, 88.2,96, 176.4 and 192KHz;
Support High-Resolution（Hi-res） Audio wired standard；
Support 24bit 96KHz audio；
Applications
Type-C Audio
Package
QFN20 3*3
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;
- CPU： RISC-V + DSP扩展 (140MHz)
- 封装： QFN20
- 蓝牙协议： 无
- Flash： 4 Mbit
- DC-DC： 支持
- 内置充电： 支持
- DAC： 立体声
- ADC： 单声道