rtc reading interrupt problem

i have same problem( as wrote bellow ), previously discussed in this forum. but this solution couldnt solve my problem. i2c communication works but when interrupt( from rtc) active, i2c communication...
RTC ALARM interrupt problem

i use RTC to generate an ALARM. i have a function that sets the values of ALHOUR and ALMIN. after doing that i call a function (see below) that handles the interrupt initialization. immediately when...
rtc reading interrupt problem

i have same problem( as wrote bellow ), previously discussed in this forum. but this solution couldnt solve my problem. i2c communication works but when interrupt( from rtc) active, i2c communication...
RTC ALARM interrupt problem

i use RTC to generate an ALARM. i have a function that sets the values of ALHOUR and ALMIN. after doing that i call a function (see below) that handles the interrupt initialization. immediately when...
programming about RTC

I am going to do a project with 8052,DS89C450 and RTC CDP68HC68T1 which is communication with SPI. and i am going to program LCD can show the calendar and time and even from keypad we can change time...