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CPU and Flexible IO
RISC-V 32bit High performance CPU with DSP instruction;
Program memory: internal 4M bit flash;
Flexible GPIO pins with Programmable pull-up and pull-down resistors;
Support GPIO wakeup or interrupt;
Bluetooth Radio
Compliant to Bluetooth 5.4(QDID: 215269);
TX output power +6dBm in typical;
RX Sensitivity with -90.5dBm @EDR;
Audio Interface
Audio codec with 16bit mono DAC and 16bit
mono ADC;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;
2 channel Analog MUX;
One channel MIC amplifier input;
High performance mono audio ADC with 90dB SNR;
High performance audio DAC with 96dB SNR, with headphone amplifier output;
Package
SSOP24;
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;
Product Applications
K歌宝；单声道音箱
- CPU： RISC-V + DSP扩展 (125MHz)
- 封装： SSOP24
- 蓝牙协议： BT 5.4 (QDID: 215269)
- Flash： 4 Mbit
- DC-DC： 不支持
- 内置充电： 支持
- DAC： 单声道
- ADC： 单声道