STM32L073RZT6,integrated circuit embedded microcontroller stmicroelectronics series STM32L0 parcel tray Core processor Arm cortex -M0+ Magnetic core volume 32-bit single core speed 32 MHz Connectivity I C、IrDA、LINbus、SPI、UART/USART、USB ancillary equipment Power-down detection/reset, DMA, I S, LCD, POR, PWM, WDT Input quantity Fifty-one Program memory size 192KB (192K x 8) Program memory type glitter EEPROM size 6K x 8 RAM size 20K x 8 Power supply voltage (Vcc/Vdd) 1.8V ~ 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)