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ZiLOG Z80 User Manual

ZiLOG Z80
306 pages
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Add
Subtract
Logical AND
Logical OR
Logical Exclusive OR
Compare
Left or Right Shifts or Rotates (Arithmetic and Logical)
Increment
Decrement
Set Bit
Reset Bit
Test bit
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As each instruction is fetched from memory, it is placed in the
INSTRUCTION register and decoded. The control sections performs this
function and then generates and supplies the control signals necessary to
read or write data from or to the registers, control the ALU, and provide
required external control signals.
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The Z80 CPU I/O pins are illustrated in Figure 3 and the function of each
is described in the following paragraphs.

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ZiLOG Z80 Specifications

General IconGeneral
ManufacturerZiLOG
Introduction Year1976
Clock Speed2.5 MHz to 20 MHz
Data Width8-bit
Address Width16-bit
Instruction SetZ80
Transistor Count8, 500
Package40-pin DIP
CategoryMicroprocessor
Memory Address Space64 KB
Voltage Supply5V

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