The CW32L031CxTx StartKit evaluation board provides users with an economical and flexible way to build system prototypes using the CW32L031CxTx chip. All aspects of performance, power consumption, and functionality can be quickly verified. 

The CW32L031CxTx StartKit evaluation board needs to be used with the CW-DAPLINK debugger. 

The CW32L031CxTx StartKit evaluation board comes with the CW32L031 StartKit software package and the CW32L031-StdPeriph-Lib firmware library and routines. 

The CW32L031CxTx StartKit evaluation board is shown in the following figure:

• CW32L031CxTx microcontroller (ARM^® Cortex^®-M0+ up to 48MHz), LQFP48 package, 64Kbytes FLASH, 8Kbytes RAM 

• Three LEDs : 

  - Power indicator (LED3), User indicator (LED1, LED2) 

• Three switches: 

  - Reset switch (S3), User switch (S1, S2) 

• USB to serial port chip (CH340N) 

• FLASH chip (W25Q64JVSSIQ or CW25Q64AS) 

• EEPROM chip（CW24C02AD） 

• On-board interfaces: 

  - Mini USB interface (serial communication, USB powered) 

  - Downloader debug interface 

  - All GPIO ports are pin-out via pin header 

• Multiple power supply methods: USB VBUS power supply, 3.3V power supply (LD1117AS33TR or AMS1117-3.3), external 1.65V-5.5V power supply 

• The CW32L031-StdPeriph-Lib package provides a comprehensive set of free firmware libraries and routines 

• Support for multiple IDEs, IAR ™，Keil®