• Bit 6 – USIOIF: Counter Overflow Interrupt Flag п 1.-один раз... This flag is set (one) when the 4-bit counter overflows (i.e., at the transition from 15 to 0). п 2. An interrupt will be generated when the flag is set while the USIOIE bit in USICR and the Global Interrupt Enable Flag are set. -лупит... ...пока- The flag will only be cleared if a one is written to the USIOIF bit. Clearing this bit will release the counter overflow hold of SCL in Twowire mode.