Intersil x1288 RTC smbus programing

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Having difficulty understanding writing to the WEL and RWEL bits in the
status register sequence.

START > then set 0x3F > data byte (WEL, RWEL) > STOP

Then one is supposed to write to the other registers by using the
address's 0xDF and 0xAF, followed by the register word address folowed
by the data.

Where is the address (volatile SRAM) to be used when setting the Status
Register, or is just the 0x3F is all that is necessary?


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