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HT68F13 Datasheet(PDF) 129 Page - Holtek Semiconductor Inc |
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HT68F13 Datasheet(HTML) 129 Page - Holtek Semiconductor Inc |
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129 / 161 page  CPL [m] ComplementDataMemory Description Each bit of the specified Data Memory is logically complemented (1 ¢s complement). Bitswhichpreviouslycontaineda1arechangedto0andviceversa. Operation [m] ¬ [m] Affected flag(s) Z CPLA [m] ComplementDataMemorywithresultin ACC Description Each bit of the specified Data Memory is logically complemented (1 ¢s complement). Bits which previously contained a 1 are changed to 0 and vice versa. The complemented result is stored in the Accumulator and the contents of the Data Memory remain un- changed. Operation ACC ¬ [m] Affected flag(s) Z DAA [m] Decimal-Adjust ACC foradditionwithresultinDataMemory Description Convert the contents of the Accumulator value to a BCD ( Binary Coded Decimal) value resulting from the previous addition of two BCD variables. If the low nibble is greater than 9 or if AC flag is set, then a value of 6 will be added to the low nibble. Otherwise the low nibble remains unchanged. If the high nibble is greater than 9 or if the C flag is set, then a value of 6 will be added to the high nibble. Essentially, the decimal conversion is performed by adding 00H, 06H, 60H or 66H depending on the Accumulator and flag conditions. Only the C flag may be affected by this instruction which indicates that if the originalBCDsumisgreaterthan100,itallowsmultipleprecisiondecimaladdition. Operation [m] ¬ ACC +00Hor [m] ¬ ACC +06Hor [m] ¬ ACC +60Hor [m] ¬ ACC +66H Affected flag(s) C DEC [m] DecrementDataMemory Description DatainthespecifiedDataMemoryis decremented by1. Operation [m] ¬ [m] - 1 Affected flag(s) Z DECA [m] DecrementDataMemorywithresultin ACC Description Data in the specified Data Memory is decremented by 1. The result is stored in the Accu- mulator.ThecontentsoftheDataMemoryremainunchanged. Operation ACC ¬ [m] - 1 Affected flag(s) Z HALT Enterpowerdownmode Description This instruction stops the program execution and turns off the system clock. The con- tents of the Data Memory and registers are retained. The WDT and prescaler are cleared. Thepowerdownflag PDF issetandthe WDT time-outflagTOiscleared. Operation TO ¬ 0 PDF ¬ 1 Affected flag(s) TO, PDF Rev.1.10 129 February9,2011 HT68F13/HT68F14/HT68F15 EnhancedI/OFlashTypeMCU |
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