meaning of intel 8080

1. Intel 8080 The successor to the Intel 8008. The 8080 had a 16-bit address bus and an 8-bit data bus. It had seven 8-bit registers six which could also be combined as three 16-bit registers, a 16-bit stack pointer to memory which replaced the 8008s internal stack and a 16-bit program counter. It also had 256 I/O ports so I/O devices could be connected without needing to allocate any addressing space as is required for memory mapped devices and a signal pin that allowed the stack to occupy a separate bank of memory. Shortly after the 8080, the Motorola 6800 was introduced. [Date?]


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