ZiLOG Z80 User Manual

18
Step 4
Fit andsolder connectorP1.
Youcan fit just a singlerowheader asused by the RC2014standard bus.The only
reasons forthe second rowis to provideadditional powersupply pins, make the
modulethe same height as the others andto increase stabilityof the module.
Toprepare the header, itshould first becut
to length (ifstarting witha strip more than
39pins long)and thenunwanted pins must
be
removed.
If
you
want
to
make
the
board
as
easy
to
insert
and
remove
as
possible,
you
canremoveall thepins inthe secondrow
exceptthoseshown onthe schematicas
usedand indicated below ingreen.
Takecare to ensurethe pinsare parallel tothe circuitboard so thatthe board willbe
vertical whenplugged into abackplane.

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