8051 Register Bank

8051 General Purpose Resisters

• 00H – 1FH: 32 bytes
• 32 General Purpose Registers.
• Grouped in to 4 register banks.
• Each bank has 8 registers R0–R7.
• Program can select any of the 4 register banks for it use through Program Status Word (PSW) register.
• Register bank 0 is used by default.
• These registers are generally used to assist in manipulating values and moving data from one memory location to another.

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Related topics:
8051 Program Memory   |   8051 Data Memory   |   8051 Bit Memory   |   8051 Special Function Registers   |   8051 Memory Map

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List of topics: 8051

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