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CPU and Flexible IO
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 and BLE
specification;
TX output power +2dBm in typical;
RX Sensitivity with -90.5dBm @Basic Rate;
Audio Interface
Audio codec with 16bit stereo 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;
4 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
QFN32L;
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;
Product Applications
藍牙5.3小音箱
- CPU： RISC-V + DSP擴展 (125MHz)
- 封裝： QFN32
- 藍牙協議： BT 5.4 雙模(QDID: 215269)
- Flash： 4 Mbit
- 內置充電： 支持
- DAC： 立體聲
- ADC： 單聲道