ZiLOG Z80 User Manual

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Thefollowingtableshows examplesof address switch settings.
Switches Base Address Address Range Recommended
0x68 hexadecimal
(104decimal)
0x68 to0x6B hexadecimal
(104 to107 decimal)
1
st
PIO module
address
0x6C hexadecimal
(108decimal)
0x6C to0x6F hexadecimal
(108 to111 decimal)
2
nd
PIO module
address
0x00 hexadecimal
(0 decimal)
0x00 to0x03 hexadecimal
(0 to 3decimal)
0x04 hexadecimal
(4 decimal)
0x04 to0x07 hexadecimal
(4 to 7decimal)
0x08 hexadecimal
(8 decimal)
0x08 to0x0B hexadecimal
(8 to 11decimal)
0x40 hexadecimal
(64 decimal)
0x40 to0x43 hexadecimal
(64 to 67 decimal)
0x44 hexadecimal
(68 decimal)
0x44 to0x47 hexadecimal
(68 to 71 decimal)
0x48 hexadecimal
(72 decimal)
0x48 to0x4B hexadecimal
(72 to 75 decimal)
0x4C hexadecimal
(76 decimal)
0x4C to0x4F hexadecimal
(76 to 79 decimal)
0x50 hexadecimal
(80 decimal)
0x50 to0x53 hexadecimal
(80 to 83 decimal)
0xF0 hexadecimal
(240decimal)
0xF0 to 0xF3hexadecimal
(240 to243 decimal)
0xF4 hexadecimal
(244decimal)
0xF4 to 0xF7hexadecimal
(244 to247 decimal)
0xF8 hexadecimal
(248decimal)
0xF8 to 0xFB hexadecimal
(248 to251 decimal)
0xFC hexadecimal
(252decimal)
0xFC to 0xFFhexadecimal
(252 to255 decimal)

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