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MB91155 Datasheet(PDF) 68 Page - fujitsu semiconductor |
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MB91155 Datasheet(HTML) 68 Page - fujitsu semiconductor |
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68 / 105 page  MB91F155A/MB91155/MB91154 68 14. Calendar Macro This macro is a calendar macro with a basic clock of 32.768 kHz. The macro accomplishes clock functions including, year, month, date, hour, minutes, seconds, day of the week, and leap years. The macro counts the last two digits of calendar years 0 through 99. • Block Diagram • Register List 32 kHz Oscillator Calendar circuit Bus controller D b u s bit15 Address bit8 bit17 bit0 Initial value CAC CA1 CA2 CA3 CA4 CA5 CA6 CA7 CAS 000210H 000211H 00000000B ( R/W ) - - XXXXXXB ( R/W ) 000212H 000213H - - XXXXXXB ( R/W ) - - - XXXXXB ( R/W ) 000214H 000215H - - -XXXXXB ( R/W ) - - - - - XXXB ( R/W ) 000216H 000217H - - - - XXXXB ( R/W ) - XXXXXXXB ( R/W ) 00021FH 0 - - - - - - 0B ( R/W ) () : Access R/W : Read/Write enabled : Not in use X : Undefined |
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