cmsemicon-dat
https://www.keil.arm.com/devices/cmsemicon-cms32m5710/features/
CMS32F033 == datasheet == Chip-cn-dat/cmsemicon-dat/CMS32F033-datasheet.pdf
32KB Flash, 8KB SRAM, operational amplifier, comparator, programmable gain amplifier. Widely used in application fields such as electronic cigarettes, wireless charging, security, energy storage cabinets, industrial communication control and smart transportation.
https://www.mcu.com.cn/en/Products/114