DataSheet Download
Key Features
High performance 32bit RISC-V processor Core with DSP instruction
Typical 150MHz operating frequency;
Internal 32KB RAM for data and program
Supports external 32.768kHz crystal oscillator
RC Clock frequency；
10-bit SAR ADC x7;
MIC amplifier x1;
High performance 16bits/18bits Sigma-Delta ADC，
High performance 16bits/18bits Sigma-Delta DAC x1;
Musical Instrument Digital Interface(MIDI);
8Ω 0.5 watt Class-D audio amplifier output；
Built in PMU; capless LDOs; LDO;
Watch Dog x1;
Frequency detector;
Hardware Cap-sense Touch Key channel x 10;
Master/Slave SPI x2; SPI1_LED controller x1;
Master/Slave IIC x1;
Normal UART x2; High Speed UART with CTS/RTS x1;
Full speed USB1.1 HOST/DEVICE controller x1;
Timer2 PWM channel x2; PWM output channel x2; PWM timer capture channel x2
SD Card Host controller x1；
CrossBar Input/Output;
Supports Liquid Crystal Display driver
Applications
Audio player
Sound Toy
ASR
- CPU： RISC-V + DSP扩展 (150MHz)
- 封装： SOP16
- 蓝牙协议： 无
- Flash： 4 Mbit
- 内置充电： 支持