The BAT32G157 series MCU is a Cmsemicon ultra-low power 32-bit microcontroller based on ARM® Cortex®-M0+. It supports up to internal 64MHz, external 20MHz, 256KB Flash, 2.5KB dedicated data Flash memory, 32KB SRAM memory, and up to 58 GPIOs. , Support comparator, USB2.0, ADC, RTC, LCD Bus, I2S, QSPI, IrDA, etc., rich analog functions, timers and various communication interfaces, working voltage 1.8V~5.5V.