Manufacturer: STMicroelectronics  •  RoHS/pb-free: RoHS   Pb-free  •  Series: STR7  •  Core Processor: ARM7  •  Core Size: 32-Bit  •  Speed: 66MHz  •  Connectivity: I²C, HDLC, Smartcard, SPI, UART/USART  •  Peripherals: PWM, WDT  •  Number of I /O: 32  •  Program Memory Size: 64KB (64K x 8 + 16K)  •  Program Memory Type: FLASH  •  RAM Size: 16K x 8  •  Voltage - Supply (Vcc/Vdd): 3 V ~ 3.6 V  •  Data Converters: A/D 4x12b  •  Oscillator Type: Internal  •  Operating Temperature: -40°C ~ 85°C  •  Package / Case: 64-LFBGA