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clock output of rtc

jeni a

Hai......

I need to enable the clock output of RTC pcf8563 interfacing with 89c52.
clockoutput register for rtc is 0Dh.
To get 32.768khz frequency, i have to load 10000000b (80h)into 0DH register.
please help me to load this value using asm code.

Thanks in advance..