STM32F446RET6,integrated circuit embedded microcontroller stmicroelectronics parcel tray Core processor Arm cortex -M4 Magnetic core volume 32-bit single core speed 180 MHz Connectivity Can bus, EBI/EMI, I C, IrDA, LINbus, SAI, SD, SPDIF-Rx, SPI, UART/USART, USB, USB OTG ancillary equipment Power-down detection/reset, DMA, I S, LVD, POR, PWM, WDT Input quantity Fifty Program memory size 512KB (512K x 8) Program memory type glitter EEPROM size - RAM size 128K x 8 Power supply voltage (Vcc/Vdd) 1.7V ~ 3.6V data converter a/D 16x 12b； D/A 2x12b Oscillator type internal Working temperature -40 degrees Celsius to 85 degrees Celsius Installation type Surface adhesion mode Package/box 64-lead LQFP package Supplier package 64-lead LQFP package (10x10)