RTC-64613 module equivalent, 8-bit real time clock module.
∗ mark 10-hour digit (b5)
Empty bit and unwriteable Recognized as “0” while reading
Only for 24H mode
Under-sec. counter
Read only (unwriteable) Used as binary code data
Under-sec. alarm register
Used as binary code data
Sec.to year
Both coun.
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