Manufacturer: Atmel  •  Series: MARC4  •  Core Processor: MARC4  •  Core Size: 4-Bit  •  Speed: 8MHz  •  Peripherals: Brown-out Detect/Reset, POR, PWM, WDT  •  Number of I /O: 34  •  Program Memory Size: 4KB (4K x 8)  •  Program Memory Type: EEPROM  •  RAM Size: 256 x 4  •  Voltage - Supply (Vcc/Vdd): 2.2 V ~ 6.2 V  •  Oscillator Type: Internal  •  Operating Temperature: -40°C ~ 85°C  •  Package / Case: 44-SSOP