Hitachi HD64180
Hitachi HD64180
The HD64180 is a Z80-based embedded microprocessor developed by Hitachi with an integrated memory management unit (MMU). It appeared in 1985.[1] The Hitachi HD64180 "Super Z80" was later licensed to Zilog and sold by them as the Z64180 and with some enhancements as the Zilog Z180.
Hitachi HD64180 DIP64
It has the following features:
- Memory Management Unit (MMU) which supports 512k bytes of memory and 64k bytes of I/O space
- 12 new instructions were added
- Two channel Direct Memory Access Controller (DMAC)
- Programmable wait state generator
- Programmable DRAM 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 Controller
The Micromint SB180 and SemiDisk Systems DT42 CP/M computers and Olivetti CWP 1 and ETV 210s videotypewriters (also running ROM based CP/M 2.2) were based on the Hitachi HD64180.
References
- ↑ Reh, Tilmann (November 1991). "The CPU280 - When 8 Bits Aren't Enough" (PDF). The Computer Journal (53): 3-5. ISSN 0748-9331. Retrieved 1 December 2016.
See also
External links
- HD64180 High Integration CMOS Microcontrollers Family Datasheet
- HD64180 8-Bit High Integration CMOS Microprocessor User Manual
- HD64180 8-Bit High Integration CMOS Microprocessor Data Book
- Arthur-PC, homemade HD64180 based computer
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