- HD64180
The HD64180 is a Hitachi
Z80 -based embeddedmicroprocessor with built-inmemory management unit (MMU). The Hitachi HD64180 "Super Z80" was later licensed to Zilog and sold by them as the Z64180 and with some enhancements as theZilog Z180 .It has the following features:
* Memory Management Unit (MMU) which supports 512k bytes of memory, and 64k bytes I/O space
* 12 new instructions were added
* Two channel Direct Memory Access Controller (DMAC)
* Programmable wait state generator
* ProgrammableDRAM refresh
* Two channel Asynchronous Serial Communication Interface (ASCI)
* Two channel 16-bit Programmable Reload Timer (PRT)
* 1-channel Clocked Serial I/O Port (CSI/O)
* Programmable Vectored Interrupt ControllerThe Micromint SB180 and SemiDisk Systems DT42
CP/M computers were based on the Hitachi HD64180.ee also
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Zilog Z180 External links
[http://www.ukcpu.net/Collection/Processors/Hitachi/64180/64180.asp List of all Hitachi 64180 processors with their clock frequencies.]
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