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STC12LE5616AD Datasheet(PDF) 83 Page - STCmicro Technology Co,.Ltd |
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STC12LE5616AD Datasheet(HTML) 83 Page - STCmicro Technology Co,.Ltd |
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83 / 377 page  5.2 Instruction Set Summary Mnemonic Description Byte Execution clocks of 12T MCU Execution clocks of STC 1T MCU Efficiency improved ARITHMETIC OPERATIONS ADD A, Rn Add register to Accumulator 1 12 2 6x ADD A, direct Add ditect byte to Accumulator 2 12 3 4x ADD A, @Ri Add indirect RAM to Accumulator 1 12 3 4x ADD A, #data Add immediate data to Accumulator 2 12 2 6x ADDC A, Rn Add register to Accumulator with Carry 1 12 2 6x ADDC A, direct Add direct byte to Accumulator with Carry 2 12 3 4x ADDC A, @Ri Add indirect RAM to Accumulator with Carry 1 12 3 4x ADDC A, #data Add immediate data to Acc with Carry 2 12 2 6x SUBB A, Rn Subtract Register from Acc wih borrow 1 12 2 6x SUBB A, direct Subtract direct byte from Acc with borrow 2 12 3 4x SUBB A, @Ri Subtract indirect RAM from ACC with borrow 1 12 3 4x SUBB A, #data Substract immediate data from ACC with borrow 2 12 2 6x INC A Increment Accumulator 1 12 2 6x INC Rn Increment register 1 12 3 4x INC direct Increment direct byte 2 12 4 3x INC @Ri Increment direct RAM 1 12 4 3x DEC A Decrement Accumulator 1 12 2 6x DEC Rn Decrement Register 1 12 34x DEC direct Decrement direct byte 2 12 4 3x DEC @Ri Decrement indirect RAM 1 12 4 3x INC DPTR Increment Data Pointer 1 24 1 24x MUL AB Multiply A & B 1 48 4 12x DIV AB Divde A by B 1 48 5 9.6x DA A Decimal Adjust Accumulator 1 12 4 3x The STC MCU instructions are fully compatible with the standard 8051's,which are divided among five functional groups: Arithmetic Logical Data transfer Boolean variable Program branching The following tables provides a quick reference chart showing all the 8051 and STC 1T MCU instructions. Once you are familiar with the instruction set, this chart should prove a handy and quick source of reference. • • • • • Execution Clocks of Conventional 12T 8051 Execution Clocks of STC12C5620AD series 83 |
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