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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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SN8A1702AX Datenblatt(PDF) 39 Page - SONiX Technology Company |
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SN8A1702AX Datenblatt(HTML) 39 Page - SONiX Technology Company |
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39 / 145 page  SN8P1700 8-bit micro-controller build-in 12-bit ADC SONiX TECHNOLOGY CO., LTD Page 39 Revision 1.94 PROGRAM FLAG The PFLAG includes carry flag (C), decimal carry flag (DC) and zero flag (Z). If the result of operating is zero or there is carry, borrow occurrence, then these flags will be set to PFLAG register. PFLAG initial value = xxxx x000 086H Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 PFLAG - - - - - C DC Z - - - - - R/W R/W R/W CARRY FLAG C = 1: If executed arithmetic addition with occurring carry signal or executed arithmetic subtraction without borrowing signal or executed rotation instruction with shifting out logic “1”. C = 0: If executed arithmetic addition without occurring carry signal or executed arithmetic subtraction with borrowing signal or executed rotation instruction with shifting out logic “0”. DECIMAL CARRY FLAG DC = 1: If executed arithmetic addition with occurring carry signal from low nibble or executed arithmetic subtraction without borrow signal from high nibble. DC = 0: If executed arithmetic addition without occurring carry signal from low nibble or executed arithmetic subtraction with borrow signal from high nibble. ZERO FLAG Z = 1: After operation, the content of ACC is zero. Z = 0: After operation, the content of ACC is not zero. |
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