8051 Data Memory

8051 Data Memory & RAM

• 128 bytes of internal data memory
• It is allowed to add 64K bytes of external data memory in addition to internal memory.
• 128 bytes of internal memory and up to 64K bytes of external data memory.
• Internal memory consists of Register Banks, Bit addressable area, User RAM
• 00H – 1FH: General Purpose Registers.
• 20H – 2FH: Bit Memory
• 30H – 7FH: User RAM

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

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List of topics: 8051

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