DataSheet Download
Key Features
High performance 32bit RISC-V processor Core with DSP instruction
Maximum 120MHz operating frequency;
Internal 64KB RAM for data and program; 8K cache;
Internal 8M bit Flash;
24M crystal oscillator circuit with on-chip loading capacitors, no external loading capacitors needed;
Support program encryption;
Bluetooth 5.4 BLE specification, Support LE 1M/2M, Long Range;(QDID:222495)
BLE output power ranges from -20dBm to +9dBm; RX Sensitivity with -94dBm @1M BLE;
10-bit SAR ADC x11;
MIC amplifier x1; High performance MONO Sigma-Delta ADC;
Built in PMU; buck DCDC converter; capless LDOs; LDO; Li-battery charger;
One-bit MONO DAC;
IR TX and RX;
Hardware Cap-sense Touch Key x4;
Master/Slave SPI/DSPI x2
Master/Slave IIC x1;
Key Scanner: up to Support 44 keys in scan mode with 8Pins;
Normal UART x1; High Speed UART with CTS/RTS x1;
Full speed USB 2.0 HOST/DEVICE controller x1;
Timer3 PWM channel x3; BLDC_Motor PWM channel x7; Low Power PWM channel x1;
Quadrature Decoder x1;
SD Card Host controller x1；
SPI_LED controller x1;
CrossBar Input/Output;
Applications
IoT
Smart Bracelet
