Zilog Z180

Older Z180 in 68-pin PLCC package (the smaller 80-pin QFP and LQFP packages are more common today.)
Z8S180 in 64-pin DIP

The Zilog Z180 is an 8-bit microprocessor designed by Zilog as a successor to the Z80. It is compatible with the large base of software written for the Z80.[1] The Z180 family adds higher performance and integrated peripheral functions like clock generator, 16-bit counters/timers, interrupt controller, wait-state generators, serial ports and a DMA controller.[2] It uses separate read and write strobes, sharing similar timings with the Z80 and Intel processors.[3] The on-chip memory management unit (MMU) has the capability of addressing up to 1 MB of memory. It is possible to configure the Z180 to operate as the Hitachi HD64180.[4]

  1. ^ Ganssle, Jack (1992). "The Z80 Lives!". The designers picked an architecture compatible with the Z80, giving Z80 users a completely software compatible upgrade path
  2. ^ Jack G. Ganssle. (1992). The art of programming embedded systems. San Diego: Academic Press. p. 13. ISBN 978-0-12-274880-6.
  3. ^ Stuart R. Ball. (2002). Embedded microprocessor systems real world design. Amsterdam: Newnes. p. 34. ISBN 978-0-7506-7534-5.
  4. ^ "Z80 Application Note: Migrating from the Hitachi HD64180 to ZiLOG's Z80180, page 7 Summary". zilog.com/appnotes_download.php. Zilog Inc. Retrieved May 20, 2019.