The CMS32F0301 features an M0+ core capable of running at speeds of up to 64MHz, with a working voltage range of 2.1V to 5.5V. It offers up to 29 GPIO pins, 2 UARTs, 1 SPI, and 1 I2C interface. Additionally, it includes 2 CCP modules, 2 built-in analog comparators, and up to 29 channels of 12-bit ADC, which can operate at -40℃ to +85℃.

>  M0+ core

   Clock frequency: up to 64MHz

>  Operating voltage: 2.1V to 5.5V

>  Operating temperature: -40℃ to 85℃

>  64KB Flash ROM

>  8KB SRAM

>  1KB DATA FLASH

>  4x 16/32-bit timers

>  2 sets of CCP modules, support 4-channel simultaneous capture

>  2-channel analog comparator with hysteresis function

>  Built-in high accuracy 12-bit ADC

>  2x UART interfaces

   1x SPI interface

   1x I2C interface 

>  Support 2 types of oscillation

>  29x universal GPIOs

>  Package type: LQFP32, QFN32