Hangshun\'s self-developed coprocessor-HK32F39A family

➢RM 32-bit Cortex-M3+, up to 1 60MHz frequency

➢Built-in Airlink co-processor FPU, which supports 32-bit single-precision floating-point operations

➢On-chip integrated 512KB FL ASH, 97KB SRAM 

➢The pins are backward compatible with HK32F103 series and can replace some M4 core functions

➢Hangshun's independent property rights USB2.0 module does not require external crystal oscillator