STMicroelectronics STM32F446RET7 MCU+FPUs 高性能基础系列，Arm Cortex-M4 内核 DSP 和 FPU，512 Kbytes 闪存

Core: ARM Cortex M4

I/O Voltage: 3.3 V

Unit Weight: 349.700 mg

Data RAM Size: 128 kB

ADC Resolution: 3 x 12 bit

DAC Resolution: 12 bit

Data Bus Width: 32 bit

Mounting Style: SMD/SMT

Number of I/Os: 50 I/O

Moisture Sensitive: Yes

Program Memory Size: 512 kB

Supply Voltage - Max: 3.6 V

Supply Voltage - Min: 1.7 V

Analog Supply Voltage: 3.3 V

Maximum Clock Frequency: 180 MHz

Maximum Operating Temperature: + 105 C

Minimum Operating Temperature: - 40 C