Transcription of Section 1 8051 Microcontroller Instruction Set
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Section 1 8051 Microcontroller Instruction Set
Atmel 8051 microcontrollers Hardware10509C 8051 07/06 Section 18051 Microcontroller Instruction SetFor interrupt response time information, refer to the hardware description :1. Operations on SFR byte address 208 or bit addresses 209-215 (that is, the PSW or bits in the PSW) also affect flag that Affect Flag Settings(1)InstructionFlagInstructionFla gCOVACCOVACADDXXXCLR COADDCXXXCPL CXSUBBXXXANL C,bitXMULOXANL C,/bitXDIVOXORL C,bitXDAXORL C,/bitXRRCXMOV C,bitXRLCXCJNEXSETB C1 The Instruction Set and Addressing ModesRnRegister R7-R0 of the currently selected Register internal data location s address. This could be an Internal Data RAM location (0-127) or a SFR [ , I/O port, control register, status register, etc. (128-255)].@Ri8-bit internal data RAM location (0-255) addressed indirectly through register R1or R0.#data8-bit constant included in Instruction .
For interrupt response time information, refer to the hardware description chapter. Note: 1. Operations on SFR byte address 208 or bit addresses 209-215 (that is, the PSW or bits in the PSW) also affect flag setti ngs. ... [2B, 2C] MOV A, R7 MOV R7, A. 8051 Microcontroller Instruction Set Atmel 8051 Microcontrollers Hardware Manual 1-4 0509C ...
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