APM32F103CBT6 is a 32-bit microcontroller from Geehy Semiconductor, featuring an Arm Cortex-M3 core, a maximum operating frequency of 96MHz, 128KB of on-chip Flash program storage, 20KB of SRAM, and a built-in single-precision FPU; it uses an LQFP-48 package with 37 GPIO channels; peripherals include a 12-bit ADC, CAN, USB, multiple USART/SPI/I2C interfaces, DMA, RTC, and a watchdog; it operates with a power supply of 2.0-3.6V, an industrial temperature range of -40℃ to +85℃, is software and hardware compatible with STM32F103CBT6, and is suitable for industrial control, smart devices, battery management, and consumer embedded products, with the datasheet available for download.