Z84C0020AEG Zilog, Z84C0020AEG Datasheet

IC Z80 CPU CMOS 20MHZ 44LQFP

Z84C0020AEG

Manufacturer Part Number
Z84C0020AEG
Description
IC Z80 CPU CMOS 20MHZ 44LQFP
Manufacturer
Zilog
Datasheets

Specifications of Z84C0020AEG

Processor Type
Z80
Features
Enhanced Z80 Microprocessor/CPU
Speed
20MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
44-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
269-4575

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
Z84C0020AEG
Manufacturer:
Zilog
Quantity:
95
Part Number:
Z84C0020AEG
Manufacturer:
Zilog
Quantity:
10 000
FEATURES
GENERAL DESCRIPTION
The Z8400/Z84C00 CPUs are fourth-generation enhanced
microprocessors with exceptional computational power.
They offer higher system throughput and more efficient
memory utilization than comparable second- and third-
generation microprocessors. The speed offerings from 6 -
20 MHz suit a wide range of applications which migrate
software. The internal registers contain 208 bits of read/
write memory that are accessible to the programmer.
These registers include two sets of six general purpose
registers which may be used individually as either 8-bit
registers or as 16-bit register pairs. In addition, there are
two sets of accumulator and flag registers. A group of
Z
ILOG
The Extensive Instruction Set.Contains 158 Instructions,
Including the 8080A Instructions Set as a Subset.
Single 5 Volt Power Supply
NMOS Version for Low Cost, High Performance
Solutions; CMOS Version for High Performance, Low
Power Designs.
NMOS Z084004 - 4 MHz
Z0840006 - 6.17 MHz
Z084008 - 8 MHz
CMOS Z0840006 - DC to 6.17 MHz
Z84C0008 - DC to 8 MHz
Z84C0010 - DC to 10 MHz
Z84C0020 - DC to 20 MHz
6 MHz Version can be Operated at 6.144 MHz Clock
Speed
PB006301-0301
Z8400/84C00
NMOS/CMOS Z80 CPU
C
“Exchange” instructions makes either set of main or alter-
nate registers accessible to the programmer. The alter-
nate set allows operation in foreground-background mode
or it may be reserved for very fast interrupt response.
The CPU also contains a Stack Pointer, Program Counter,
two index registers, a Refresh register (counter), and an
Interrupt register. The CPU is easy to incorporate into a
system since it requires only a single +5V power source. All
output signals are fully decoded and timed to control
standard memory or peripheral circuits; the CPU is sup-
ported by an extensive family of peripheral controllers.
ENTRAL
The Z80 Microprocessors and Associated Family of
Peripherals can be Linked by a Vectored Interrupt
System. This System can be Daisy-Chained to Allow
Implementation of a Priority Interrupt Scheme.
Duplicate Set of Both General-Purpose and Flag
Registers
Two 16-Bit Index Registers
Three Modes of Maskable Interrupts:
- Mode 0 - 8080A Similar
- Mode 1 - Non-Z80 Environment, Location 38H
- Mode 2 - Z80 Family Peripherals, Vectored Interrupts
On-Chip Dynamic Memory Refresh Counter
P
ROCESSING
U
NIT
Z8400/84C00

Related parts for Z84C0020AEG

Z84C0020AEG Summary of contents

Page 1

Z ILOG FEATURES The Extensive Instruction Set.Contains 158 Instructions, Including the 8080A Instructions Set as a Subset. Single 5 Volt Power Supply NMOS Version for Low Cost, High Performance Solutions; CMOS Version for High Performance, Low Power Designs. NMOS Z084004 ...

Page 2

... Control Outputs Figure 1. Z8400/C00 Functional Block Diagram © 1997 by Zilog, Inc. All rights reserved. No part of this document may be copied or reproduced in any form or by any means without the prior written consent of Zilog, Inc. The information in this document is subject to change without notice. Devices sold by Zilog, Inc ...

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