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Zilog Z180 - Wikipedia

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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]

Variants

Chip	Speed (MHz)	Timers	I/O	Comm. Contr.	Others
Z80180	6, 8, 10	2	N/S	CPU	1 MB MMU, 2xDMAs, 2xUARTs
Z80181	10	1	16	CPU	1 MB MMU, 2xDMAs, 2xUARTs
Z80182	16, 20, 33	2	Clock, Serial, 24	ESCC, CSIO, UART, PIO	S180 Megacell, 2xESCC channels, 3*8bit IO, 16550 MIMIC
Z80185/Z80195	20, 33	4	7/24	SCC, CSIO, UART
Z8L180	20	2	Clock Serial	CSIO, UART	1 MB MMU, 2xDMAs, 2xUARTs, 3.3 V Operation
Z8L182	20	2	Clock, Serial, 24	ESCC, CSIO, UART, PIO	S180 Megacell, 2xESCC channels, 3*8bit IO, 16550 MIMIC, 3.3V operation
Z8S180	10, 20, 33	2	Clock Serial	UART, DMA	1 MB MMU, 2xDMAs, 2xUARTs
Z8S183	10, 20, 33	2	Clock Serial	UART, DMA	1 MB MMU, 2xDMAs, 2xUARTs 16550, MIMIC, 3.3V operation^[5]
Z8S189	10, 20, 33	2	Clock Serial	UART, DMA	1 MB MMU, 2xDMAs, 2xUARTs, 3.3V operation^[6]

Z80182

The Zilog Z80182, introduced in 1997, is an enhanced, faster version of the older Z80 and is part of the Z180 microprocessor family. It is nicknamed the Zilog Intelligent Peripheral Controller (ZIP). It is also fully static (the clock can be halted and no data in the registers will be lost)^{[citation needed]} and has a low EMI option that reduces the slew rate of the outputs.^{[citation needed]}

The Z80182 can operate at 33 MHz with an external oscillator for 5-volt operation, or at 20 MHz using the internal oscillator for 3.3-volt operation.^[7]

References

^ Ganssle, Jack (1992). "The Z80 Lives!". The designers picked an architecture compatible with the Z80, giving Z80 users a completely software compatible upgrade path
^ Jack G. Ganssle. (1992). The art of programming embedded systems. San Diego: Academic Press. p. 13. ISBN 978-0-12-274880-6.
^ Stuart R. Ball. (2002). Embedded microprocessor systems real world design. Amsterdam: Newnes. p. 34. ISBN 978-0-7506-7534-5.
^ "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.
^ "Mixed-Signal Z183 Webserver" (PDF). Retrieved 2023-08-22.
^ "Www.Alldatasheet.Com" (PDF).
^ "CPU Control Register". Z80182/Z8L182 Zilog Intelligent Peripheral Controller Product Specification. San Jose, California: Zilog. 1997. pp. 3–48.

External links

"Z80180 Microprocessor Unit Product Specification" (PDF). San Jose, California: Zilog. November 2006. Retrieved 2009-07-15.
"Z80S180/Z80L180 Product Specification" (PDF). San Jose, California: Zilog. 2000. Retrieved 2009-07-15.
"Z8S180 SL1960 Product Specification" (PDF). San Jose, California: Zilog. 1998. Retrieved 2009-07-15.
"Z8018x MPU Family User Manual" (PDF). San Jose, California: Zilog. 2003. Retrieved 2009-07-15.

Zilog

Products

Z80 series	Z80 Z180 Z280 Z800 Z380 eZ80
Z8000 series	Z8000 Z80000
Microcontroller	Z8 Z8 Encore! Z80182 Encore! 32
Operating systems	Z80-RIO

Z80 compatibles	ASCII R800 Hitachi HD64180, Zilog Z64180 NEC µPD780C Sharp LH0080 Toshiba TLCS-870 Rabbit 2000 КР1858ВМ1 U880 MMN80CPU

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