The CMS32F402 features a STAR-MC1 core capable of running at speeds of up to 128MHz. It operates within a voltage range of 2.5V to 5.5V and offers up to 57 GPIO pins, 4 UARTs, 7 SPIs, 9 I2C interfaces, 1 CAN, 4-channel built-in analog comparator, 4-channel operational amplifier. Additionally, it supports 30 channels of enhanced PWM and 3 ADC modules with a total of up to 22 channels of 12-bit ADC. The MCU has a built-in digital signal processing unit, DSP, and a floating-point operation unit (FPU), and can operate at -40℃ to +85℃.

>  STAR-MC1 core

   Clock frequency: up to 128MHz

>  Operating voltage: 2.5V to 5.5V

>  Operating temperature: -40℃ to 85℃

>  256KB Flash ROM

>  64KB SRAM

>  4KB DATA FLASH

>  Support Digital Signal Processing Unit (DSP)

>  Support Floating Point Unit (FPU)

>  16x 16-bit timers

>  8x 16-bit + 4x 32-bit PWM timers

>  4-channel analog comparator with hysteresis function

>  4-channel programmable gain amplifiers with adjustable gain

>  Built-in high-accuracy, high-speed 12-bit ADC0, ADC1, ADC2

>  4x UART interfaces

   7x SPI interfaces

   9x I2C interfaces

>  Support 4 types of oscillation

>  57x universal GPIOs

>  Package type: LQFP64