STMicroelectronics STM32G491KEU6 主流Arm Cortex-M4+ MCU 170MHz，带512K字节闪存

Core: ARM Cortex M4

Unit Weight: 34 mg

Data RAM Size: 112 kB

ADC Resolution: 4 x 12 bit

DAC Resolution: 12 bit

Data Bus Width: 32 bit

Interface Type: I2C, SPI, UART, USB

Mounting Style: SMD/SMT

Number of I/Os: 26 I/O

Moisture Sensitive: Yes

Program Memory Size: 512 kB

Program Memory Type: Flash

Supply Voltage - Max: 3.6 V

Supply Voltage - Min: 1.71 V

Maximum Clock Frequency: 170 MHz

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C