37591ATXMEGA 16 A 4-MU ATXMEGA16A4-MHATXMEGA16A4-MHMicrochip/Atmel microcontroller series ATXMEGA.
high performance 8/16-Bit AVR ISP flash microcontrollers
suitable for In-system programming (ISP)
with up to eight 16-Bit timers, eight USARTs as well as 78 I/Os
supply voltage: 1,6 to 3,6V
temperature range: -40 to +85°C
clock speed: 32MHz