STMicroelectronics STM32F446ZCH6 MCU+FPUs 高性能基础系列，Arm Cortex-M4 内核 DSP 和 FPU，256 Kbytes 闪存

Core: ARM Cortex M4

I/O Voltage: 3.3 V

Unit Weight: 2.600 g

ADC Resolution: 12 bit

DAC Resolution: 12 bit

Data Bus Width: 32 bit

Moisture Sensitive: Yes

Supply Voltage - Max: 3.6 V

Supply Voltage - Min: 1.7 V

Analog Supply Voltage: 3.3 V