Z80

Thomas Scherrer Z80-Family Official Support Page
Goal: collect and share information and good ideas on: Z80, Z180, Z280, Z380, CPUs; hardware, software, utilities, programming, Assembly, FAQ, support.
http://z80.info/

ZiLOG
Growing article, with links to many related topics, with product family link list. [Wikipedia]
http://en.wikipedia.org/wiki/ZiLOG

ZiLOG, Inc.
Designs, makes Z80 series microprocessors, DSPs; and other embedded logic: microcontrollers, microprocessors, infrared, IrDA, communications, TV subsystems. California, USA.
http://www.zilog.com/

Zilog Z80
Growing article, with links to many related topics. [Wikipedia]
http://en.wikipedia.org/wiki/Zilog_Z80

Zilog Z80 8-Bit Microprocessor
Brief: technical description, diagrams, pin-out and signals, specifications. [University of Washington, Electrical Engineering, Circuits Archive]
http://www.ee.washington.edu/circuit_archive/micro/z80.html

Zilog Z80 Microprocessor Family
Information, photos, identification, links to pinouts, support and second-source chips. [CPU-World]
http://www.cpu-world.com/CPUs/Z80/