Zhongke Lanxun

1.CPU and Flexible IO
1-1 32bit High performance CPU with DSP  instruction;
1-2  Program memory: internal 16M bit flash;
1-3  Flexible GPIO pins with Programmable pull-up  and pull-down resistors;
1-4  Support GPIO wakeup or interrupt;
2.Bluetooth Radio
2-1  Compliant to Bluetooth 5.3 and BLE  specification (QDID: 193597);
2-2  TX output power MAX +9dBm;
2-3  RX Sensitivity with -94dBm @2M EDR;
3.Audio Interface
3-1  High performance stereo DAC with 98dB SNR,  support single end mode or differential mode;
3-2  One channel high performance ADC with 90dB  SNR;
3-3  One channel MIC amplifier input;
3-4  Support flexible audio EQ adjust;
3-5  Support Sample rate 8, 11.025, 12, 16, 22.05,  32, 44.1 and 48KHz;
3-6  Four channels Stereo Analog MUX;