DS12C887 INTERFACING WITH AT89C51

[pushpa]

Hello Sir,

I’m doing my final year project.Our project is to display the medicine names in LCD near each patient in hospitals.Also a buzzer is employed  to indicate the patient’s medicine intake time.We have to update the time in the controller using the RTC. whenever alarm time matches with the updated time in RTC, a buzzer has to be activated.The alarm time must be sent through virtual terminal in proteus simulation.Also when buzzer is ON, the medicine names stored in the system must be automatically sent to LCD.Could you please help me with the code..and is it manditory to use an i2c protocol to interface rtc n controller?

[Ashutosh Bhatt]

12C887 is parallel RTC. it will be very much easy to interface it with 89C51. another RTC having IIC based interfacing. somewhat complex to interface with 89C51. but if your controller is AVR or PIC then built in IIC protocol is given.

so with 89C51, 12C887 is best choice

[Author]

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