Manufacturer: STMicroelectronics  •  RoHS/pb-free: RoHS   Pb-free  •  Series: STR7  •  Core Processor: ARM7  •  Core Size: 32-Bit  •  Speed: 36MHz  •  Connectivity: I²C, SPI, UART/USART  •  Peripherals: DMA, POR, PWM, WDT  •  Number of I /O: 112  •  Program Memory Size: 256KB (256K x 8)  •  Program Memory Type: FLASH  •  RAM Size: 16K x 8  •  Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V  •  Data Converters: A/D 16x10b  •  Oscillator Type: Internal  •  Operating Temperature: -40°C ~ 105°C  •  Package / Case: 144-LFBGA