AT90USB1287-16AU ATMEL [ATMEL Corporation], AT90USB1287-16AU Datasheet - Page 28

• Manufacturer Part Number: AT90USB1287-16AU
• Description: 8-bit Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
• Manufacturer: ATMEL [ATMEL Corporation]

If the CPU core is in sleep and wakes-up from an asynchronous timer interrupt and then go
back in sleep mode again it may wake up several times.
Problem Fix/workaround
A s o ft wa r e wo r k ar o un d i s to w ai t wi t h pe r fo r mi n g th e s l ee p i n st r uc t io n u nt i l
TCNT2>OCR2+1.
AT90USB64/128
28
7593GS–AVR–03/08