CMS8S5880 is an enhanced Flash MCU with 1T 8051 core, working voltage 2.1V-4.5V, main frequency up to 24MHz, I/O up to 18, ADC, PWM, 2 UART, 1 SPI, 1 I2C, sleep state The lower quiescent current is less than 6uA, and it can work from -40°C to 105°C. Packages such as TSSOP20/QFN20 are available.
The BAT32G133 series MCU is an ultra-low-power, low-pin MCU based on ARM-Cortex M0+ launched by Cmsemicon. The main frequency is 64MHz, the working voltage is 2.0V-5.5V, 32KB Flash, 4KB SRAM, 1.5KB Data Flash, and up to 22 GPIOs. , ADC, PWM, PGA, comparator, UART, SPI, I2C and temperature sensor, support multiple DMA channels.