(1) USB interface 5V power supply.
(2) The board supplies 3.3V power to the DSP and 1.8V power to the LDO inside the chip.
(3) Using external passive crystal oscillator.
(4) Start mode is chosen by jumping, starting from flash or SCI.
(5) Using JTAG download program and real-time debugging.
(6) All IO ports were drawn out.
(7) The development board has stable performance.