The Z380 is a Zilog 16-bit/32-bit processor from 1994. It is Z80 compatible, but it was released much later than its competitors (the Intel 386 and Motorola 68020) and as a result was never able to gain any significant market leverage. On the other hand, the newer and faster eZ80 family has been more successful recently (as of 2005[update]).
- No pipelined execution (only fetch/execute overlap)
- No memory protection
- Much simpler MMU
- Minimum of 4 clocks/instruction, against 1 (cache hit) or 2 (cache miss) on the Z280.
- No on-chip cache
- Lacks the I/O trap feature
- "Z380 CPU Users Manual" (pdf). San Jose, California: Zilog. February 5, 2009. Retrieved July 15, 2009.
- Harston, J.G. (September 9, 1997). "Z380 Opcode Map". Retrieved July 15, 2009.
- Harston, J.G. (September 9, 1997). "Full Z380 Opcode List". Retrieved July 15, 2009.
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