Manufacturer: Atmel  •  RoHS/pb-free: RoHS   Pb-free  •  Series: AVR®  •  Applications: USB Microcontroller  •  Core Processor: AVR  •  Program Memory Type: FLASH (16 kB)  •  RAM Size: 512 x 8  •  Interface: SPI Serial, USB, UART  •  Number of I /O: 22  •  Voltage - Supply: 2.7 V ~ 5.5 V  •  Operating Temperature: -40°C ~ 85°C  •  Package / Case: 32-QFN  •  Other PartNo: AT90USB162-16MURTR, AT90USB162-16MUTR, AT90USB162-16MUTR-ND