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HT82A525R Datasheet(PDF) 64 Page - Holtek Semiconductor Inc |
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HT82A525R Datasheet(HTML) 64 Page - Holtek Semiconductor Inc |
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64 / 71 page  SBC A,[m] Subtract Data Memory from ACC with Carry Description The contents of the specified Data Memory and the complement of the carry flag are subtracted from the Accumulator. The result is stored in the Accumulator. Note that if the result of subtraction is negative, the C flag will be cleared to 0, otherwise if the result is positive or zero, the C flag will be set to 1. Operation ACC ¬ ACC - [m] - C Affected flag(s) OV, Z, AC, C SBCM A,[m] Subtract Data Memory from ACC with Carry and result in Data Memory Description The contents of the specified Data Memory and the complement of the carry flag are subtracted from the Accumulator. The result is stored in the Data Memory. Note that if the result of subtraction is negative, the C flag will be cleared to 0, otherwise if the result is positive or zero, the C flag will be set to 1. Operation [m] ¬ ACC - [m] - C Affected flag(s) OV, Z, AC, C SDZ [m] Skip if decrement Data Memory is 0 Description The contents of the specified Data Memory are first decremented by 1. If the result is 0 the following instruction is skipped. As this requires the insertion of a dummy instruc- tion while the next instruction is fetched, it is a two cycle instruction. If the result is not 0 the program proceeds with the following instruction. Operation [m] ¬ [m] - 1 Skip if [m] = 0 Affected flag(s) None SDZA [m] Skip if decrement Data Memory is zero with result in ACC Description The contents of the specified Data Memory are first decremented by 1. If the result is 0, the following instruction is skipped. The result is stored in the Accumulator but the spec- ified Data Memory contents remain unchanged. As this requires the insertion of a dummy instruction while the next instruction is fetched, it is a two cycle instruction. If the result is not 0, the program proceeds with the following instruction. Operation ACC ¬ [m] - 1 Skip if ACC = 0 Affected flag(s) None SET [m] Set Data Memory Description Each bit of the specified Data Memory is set to 1. Operation [m] ¬ FFH Affected flag(s) None SET [m].i Set bit of Data Memory Description Bit i of the specified Data Memory is set to 1. Operation [m].i ¬ 1 Affected flag(s) None HT82A525R I/O Type USB 8-Bit OTP MCU with SPI Rev. 1.80 64 March 11, 2016 |
Similar Part No. - HT82A525R_16 |
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Similar Description - HT82A525R_16 |
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