cia kaip tik apie tai kalba:

Read shared memory complete at once
....you may read half of the previous data and half of current data, 
which may lead to some unexpected condition.

http://www.embedded.com/design/programming-languages-and-tools/4398710/Interrupts-short-and-simple--Part-3---More-interrupt-handling-tips


Bet tai neatsako i klausima, kaip ir interupto nepraleist ir multibyte 
duomenis skaityti graziai....