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ZiLOG Z80 User Manual

ZiLOG Z80
306 pages
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Presents the Users Manual instruction types, addressing modes and
instruction Op Codes.
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Presents an overview of the Users Manual assenbly language, status
indicator flags and the Z80 instructions.
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The following assumptions and conventions are adopted to provide clarity
and ease of use:
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The words set and clear imply that a register bit or a condition contains
the values logical 1 and logical 0, respectively. When either of these
terms is followed by a number, the word logical may not be included, but
it is implied.
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A field of bits within a register is designated as: Register (nn). For
example:
PWM_CR (3120). A field of bits within a bus is designated as:
Bus
nn
. For example: PCntl
74
. A range of similar (whole) registers is
designated as: RegisternRegistern. For example: OPBCS5OPBCS0.
Part Number Title DC number
Part Number Title DC number
Part Number Title DC number

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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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