The CMS32F003 is an M0+ chip with a maximum clock frequency of 48 MHz and offers abundant timer resources and communication interface resources.

> M0+

> Operating voltage: 2.1V - 5.5V

> Operating temperature: -40℃ - 105℃

> 16KB Flash

> 2KB RAM

> 1KB Data Flash

> 1x 16-bit advanced timer + 1x 16-bit general-purpose timer + 1x 15-bit interval timer

> 1x UART + 1x SPI + 1x I2C + 1x serial communication unit (which can be configured as 1x UART or 1x SPI or 1x I2C)

> Internal 12-bit high-precision ADC with internal reference voltage, supporting up to 18 external channels

> 1x comparator

> CRC-32

> Up to 18 GPIOs

> Package types: TSSOP20, QFN20