ZiLOG Z80 User Manual

8VHU¶V0DQXDO
=&38
80 0DQXDO2EMHFWLYHV
[YLLL
5HJLVWHU$FFHVV$EEUHYLDWLRQV
Register access is designated by the following abbreviations:
7UDGHPDUNV
Z80, Z180, Z380 and Z80382 are trademarks of ZiLOG, Inc.
Designation Description
R Read Only
R/W Read/Write
WWrite Only
– Unspecified or indeterminate

ZiLOG Z80 Specifications

General

Manufacturer	ZiLOG
Introduction Year	1976
Clock Speed	2.5 MHz to 20 MHz
Data Width	8-bit
Address Width	16-bit
Instruction Set	Z80
Transistor Count	8, 500
Package	40-pin DIP
Category	Microprocessor
Memory Address Space	64 KB
Voltage Supply	5V