Introduction - If you have any usage issues, please Google them yourself
T/C2 work in asynchronous mode, by the PC6 (TOSC1) and PC7 (TOSC2) an external clock driver 32.768KHz. T/C2 its frequency after 1024 as a regular clock. Procedures for calculating the number of interruptions.
Packet : 29782211rtc-tc2(at90s8535).rar filelist
RTC-TC2(AT90S8535).c