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      CPU and Flexible IO

      32bit High performance CPU with DSP instruction 

      Program memory: internal 2M bit flash 

      Flexible GPIO pins with Programmable pull-up and pull-down resistors; 

      Support GPIO wakeup or interrupt;

      Audio Interface

      High performance mono ADC with 90dB SNR; 

      Support flexible audio EQ adjust; 

      Support MIC amplifier input; 

      Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz; 

      Four channel Stereo Analog MUX;




      Operating temperature: -40℃ to +85℃;
      Storage temperature: -65℃ to +150℃;

      • CPU: RISC-V + DSP擴展 (125MHz)
      • 封裝: SSOP24
      • 藍牙協議:
      • Flash: 2 Mbit
      • DC-DC: 不支持
      • 內置充電: 不支持
      • DAC:
      • ADC: 單聲道