DataSheet Download
CPU and Flexible IO
High performance 32bit RISC-V processor Core with DSP instruction;
140MHz operating frequency;
Internal 64KB RAM for data and program; 8K cache;
Internal 2M bit Flash;
Flexible GPIO pins with Programmable pull-up and pull-down resistors
Support GPIO wakeup or interrupt
2.4GHz Wireless RF
2.4GHz RF transceiver embedded, working in worldwide 2.4 GHz ISM band.
2.4 GHz proprietary 2Mbps mode with Adaptive Frequency Hopping feature support
RX sensitivity: -92.5dBm @ 2Mbps
TX output power: up to +11 dBm
50 Ω matched single-pin antenna interface;
RSSI monitoring with ±1 dB resolution;
Auto acknowledgement, retransmission and
flow control;
Audio Interface
High performance mono audio DAC, support single-ended and differential mode;
MIC amplifier x1; High performance mono audio ADC;
Package
ESOP8
Applications
Portable Wireless Microphone
- CPU： RISC-V + DSP扩展 (140MHz)
- 封装： QFN20
- 蓝牙协议： 2.4GHz Wireless RF
- Flash： 2 Mbit
- 内置充电： 支持