Intel 8080

(processor)The successor to the Intel 8008. The 8080 had a16-bit address bus and an 8-bit data bus. It had seven8-bit registers (six which could also be combined as three16-bit registers), a 16-bit stack pointer to memory whichreplaced the 8008's internal stack and a 16-bit program counter. It also had 256 I/O ports (so I/O devices could beconnected without needing to allocate any addressing space asis required for memory mapped devices) and a signal pin thatallowed the stack to occupy a separate bank of memory.

Shortly after the 8080, the Motorola 6800 was introduced.

单词	intel 8080
释义	Intel 8080 Intel 8080 (processor)The successor to the Intel 8008. The 8080 had a16-bit address bus and an 8-bit data bus. It had seven8-bit registers (six which could also be combined as three16-bit registers), a 16-bit stack pointer to memory whichreplaced the 8008's internal stack and a 16-bit program counter. It also had 256 I/O ports (so I/O devices could beconnected without needing to allocate any addressing space asis required for memory mapped devices) and a signal pin thatallowed the stack to occupy a separate bank of memory. Shortly after the 8080, the Motorola 6800 was introduced.
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