STM32L100R8T6,integrated circuit embedded microcontroller stmicroelectronics series STM32L1 parcel tray Core processor Arm cortex -M3 Magnetic core volume 32-bit single core speed 32 MHz Connectivity I C、SPI、UART/USART、USB ancillary equipment Power-off/reset, DMA, LCD, POR, PWM, WDT Input quantity Fifty-one Program memory size 64KB (64K x 8) Program memory type glitter EEPROM size 2K x 8 RAM size 8K x 8 Power supply voltage (Vcc/Vdd) 1.8V ~ 3.6V data converter a/D 20x12b； 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)