STM32F405ZGT6,integrated circuit embedded microcontroller stmicroelectronics parcel tray Core processor Arm cortex -M4 Magnetic core volume 32-bit single core speed 68 MHz Connectivity CANbus、EBI/EMI、I C、IrDA、LINbus、SPI、UART/USART、USB OTG ancillary equipment Power-down detection/reset, DMA, I S, LCD, POR, PWM, WDT Input quantity One hundred and fourteen Program memory size 1MB (1M x 8) Program memory type glitter EEPROM size - RAM size 192K x 8 Power supply voltage (Vcc/Vdd) 1.8V ~ 3.6V data converter a/D 24x 12b； D/A 2x12b Oscillator type internal Working temperature -40 degrees Celsius to 85 degrees Celsius Installation type Surface adhesion mode Package/box 14-lead LQFP package Supplier package 14-lead LQFP package (20x20)