DataSheet Download
CPU and Flexible IO
RISC-V 32bit High performance CPU with DSP instruction;
Maximum 120MHz operating frequency;
128k bytes SRAM;
Program memory: internal 2M bit flash;
Flexible GPIO pins with Programmable pull-up and pull-down resistors;
Support GPIO wakeup or interrupt;
Bluetooth Radio
BLE supports the transmission rate of 1Mbps and ±250KHz deviation;
BLE output power ranges from -27dBm to 12dBm;
BLE Receive Sensitivity with -86dBm in typical;
Audio Interface
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;
One channel MIC amplifier input;
High performance mono audio ADC with 90dB SNR;
Package
QFN20;
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;
