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can i use the S-3530A RTC with an arduino (no luck for i2c address from datasheet)? Answered

i found this rtc in a printer and i am having trouble setting the time on it. i would like to use it in place of a DS1307 but i dont know the i2c address of it ir how to set the time on it,. ANY help would be appreciated. datasheet: http://vk5bbs.ampr.org/pages/techdata/data/RTC/s3530a.pdf


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Best Answer 7 years ago

Datasheet, Page 4
The upper four bits, called a device code, represent a device address and are fixed at "0110".
The upper three of the lower nibble are commands, the lowest bit selects read or write.