STM32L432KBU6,integrated circuit embedded microcontroller stmicroelectronics series STM32L4 parcel tray Core processor Arm cortex -M4 Magnetic core volume 32-bit single core speed 80 MHz Connectivity CANbus、I C、IrDA、LINbus、QSPI、SAI、SPI、SWPMI、UART/USART、USB ancillary equipment Power-down detection/reset, DMA, PWM, WDT Input quantity Twenty-six Program memory size 128KB (128K x 8) Program memory type glitter EEPROM size - RAM size 64K x 8 Power supply voltage (Vcc/Vdd) 1.71 ~ 3.6 volts data converter a/D 10x12b； D/A 2x12b Oscillator type internal Working temperature -40 degrees Celsius to 85 degrees Celsius Installation type Surface adhesion mode Package/box 32-UFQFN exposed pad Supplier package 32-UFQFPN (5x5)