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    ibnexfc
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    Instruction register in 80514 >> DOWNLOAD

    Instruction register in 80514 >> READ ONLINE

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    SERIAL PORT CONTROL REGISTER (SCON) OF 8051/8031 MICROCONTROLLER • The format of SCON register is shown. • Mode 0: o In this mode the serial port function as half duplex serial port with fixed baud rate. o The 8- bit serial data is received and transmitted through RxD pin and the controller output the Lecture 4 8051 Instruction Set 8051 Instruction Set Introduction CIP-51 architecture and memory organization review Addressing Modes Register addressing Direct – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com – id: 412daf-ZmY0Z
    Register Banks in 8051 The 8051 microcontroller consists of four register banks, such as Bank0, Bank1, Bank2, Bank3 which are selected by the PSW (Program Status Word) register. These register banks are present in the internal RAM memory of the 8051 microcontroller, and are used to process the data when the microcontroller is programmed.
    8051 Interrupts • Interrupt- Facility provided in microprocessor using which attention of microprocessor may be drawn for some specific purpose. • Microprocess Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
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    The 8051 Microcontroller Special Function Registers are used to program and control different hardware peripherals like Timers, Serial Port, I/O Ports etc. In fact, by manipulating the 8051 Microcontroller Special Function Registers (SFRs), you can assess or change the operating mode of the 8051 Microcontroller.
    The Data Pointer (DPTR) is the 8051’s only user-accessible 16-bit (2-byte) register. The Accumulator, R0-R7 registers and B register are 1-byte value registers. DPTR is meant for pointing to data. It is used by the 8051 to access external memory using the address indicated by DPTR.
    So you may have guessed something from the name itself – “Special Function Registers” known with an acronym SFR.Well, your guess is right ?? Okay! Lets come to the point. There are 21 Special function registers (SFR) in 8051 micro controller and this includes Register A, Register B, Processor Status Word (PSW), PCON etc etc.
    Introduction to 8051 Microcontroller Instruction Set Writing a Program for any Microcontroller consists of giving commands to the Microcontroller in a particular order in which they must be executed in order to perform a specific task. The commands to the Microcontroller are known as a Microcontroller’s Instruction Set.
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    The ADD instruction adds a byte value to the accumulator and stores the results back in the accumulator. Several of the flag registers are affected. See Also: ADDC, SUBB ADD A, #immediate C AC F0 RS1 RS0 OV P Bytes 2 Cycles 1 Encoding 00100100 immediate Operation A = A + immediate Example ADD A

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