Intel 8086 is a 16 bit microprocessor chip designed by Intel in 1978. It is the ancestor of x86 architecture. Soon after, Intel introduced Intel 8088, a microprocessor with an 8-bit external data bus. It is based on the design of 8080 and 8085, with similar register groups, but the address bus is expanded to 20 bits. Bus interface unit (bus interface unit) provides execution unit with 6-byte prefetch queue bit instructions, so fetching and execution are synchronous. 8086 CPU has 20 address lines, which can directly address 1MB storage space, and each storage unit can store one byte (8-bit) binary information.
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@Danniwood But they can be used as a single-chip microcomputer development, in a sense, he can use