The 8051 microcontroller contains mainly two types of registers: 1. General-purpose registers (Byte addressable registers) 2. Special function registers (Bit addressable registers) The 8051 microcontrollerconsists of 256 bytes of RAM, which is divided into two ways, such as 128 bytes for general purpose … See more The general-purpose memory is called as the RAM of the 8051 microcontrollers, which is divided into 3 areas such as banks, bit-addressable area, and scratch-pad area. The banks … See more The B0, B1, B2, and B3 stand for banks, and each bank contains eight general-purpose registers ranging from ‘R0’ to ‘R7’. All these registers are byte-addressable. Data transfer between general-purpose … See more The following example demonstrates the addition of two numbers and then the storage of final value in the Bank1 register using an assembly level program. Org 0000h MOV … See more The PSW register is a bit and byte-addressable register. This register reflects the status of the operation that is carried out in the controller. … See more WebDifferent Types of Registers. There is numerous types of computer register that are available for executing the computer instructions. Some of them are discussed below: 1. MAR Register. The full form of MAR is the memory address register. The memory address register issued to fetch the instructions and data from the memory and helps to execute ...
microcontroller 8051.pdf - Microprocessor - Notes - Teachmint
WebNov 5, 2024 · four register banks. 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. herlong chevy johnston sc
Special Function Register(SFR) in 8051 Microcontroller
WebThe Intel 80196 class microcontroller has 24 SFRs, each 1 Byte in size; standard Intel 8051 chips have 21 SFRs. The Special Function Register (SFR) is the upper area of addressable memory, from address 0x80 to 0xFF. ... Also, different status registers are mapped into the SFR, for use in checking the status of the 8051, and changing some ... WebJun 27, 2024 · There are four different modes of the Timer or Counter. The Mode 0 to Mode 2 are for both of the Timer/Counter. Mode 3 has a different meaning for each timer … WebApr 15, 2024 · Other SFRs. Accumulator. The accumulator is a special register that connects to the ALU, and all the results of any computation performed in the CPU are … maven artifactid 报错