(PDF) 8080A-2 Datasheet PDF | Intel





8080A-2 Datasheet PDF

Part Number 8080A-2
Description 8-BIT N-CHANNEL MICROPROCESSOR
Manufacture Intel
Total Page 10 Pages
PDF Download Download 8080A-2 Datasheet PDF

Features: Datasheet pdf infel.. 8080A/8080A-1/8080A-2 8-BIT N- CHANNEL MICROPROCESSOR • TTL Drive C apability • 2,..,s (-1:1.3,..,s, -2:1 .5 ,..,s) Instruction Cycle • Powerfu l Problem Solving Instruction Set • 6 General Purpose Registers and an Accum ulator • 16-Blt Program Counter for D irectly Addressing up to 64K Bytes of M emory • 16-Blt Stack Pointer and Stac k Manipulation Instructions for Rapid S witching of the Program Environment Decimal, Binary, and Double Precision Arithmetic • Ability to Provide Prio rity Vectored Interrupts 512 Directly A ddressed 110 Ports • Available In EXP RESS • - Standard Temperature Range Available In 4Q-Lead Cerdlp and Plas tic Packages (See Packaging Spec. Order #231369) • The Intel 8080A is a co mplete 8-bit parallel central processin g unit (CPU). It is fabricated on a sin gle LSI chip using Intel's n-channel si licon gate MOS process. This offers the user a high performance solution to co ntrol and processing applications. The 8080A contains 6 8-bit .

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8080A-2 datasheet
infel..
8080A/8080A-1/8080A-2
8-BIT N-CHANNEL MICROPROCESSOR
TTL Drive Capability
2,..,s (-1:1.3,..,s, -2:1.5 ,..,s) Instruction
Cycle
Powerful Problem Solving Instruction
Set
6 General Purpose Registers and an
Accumulator
16-Blt Program Counter for Directly
Addressing up to 64K Bytes of Memory
16-Blt Stack Pointer and Stack
Manipulation Instructions for Rapid
Switching of the Program Environment
Decimal, Binary, and Double Precision
Arithmetic
Ability to Provide Priority Vectored
Interrupts
512 Directly Addressed 110 Ports
Available In EXPRESS
- Standard Temperature Range
Available In 4Q-Lead Cerdlp and Plastic
Packages
(See Packaging Spec. Order #231369)
The Intel 8080A is a complete 8-bit parallel central processing unit (CPU). It is fabricated on a single LSI chip
using Intel's n-channel silicon gate MOS process. This offers the user a high performance solution to control
and processing applications.
The 8080A contains 6 8-bit general purpose working registers and an accumulator. The 6 general purpose
registers may be addressed individually or in pairs providing both single and double precision operators.
Arithmetic and logical instructions set or reset 4 testable flags. A fifth flag provides decimal arithmetic opera-
tion.
The 8080A has an external stack feature wherein any portion of memory may be used as a last in/first out
stack to store/retrieve the contents of the accumulator, flags, program counter, and all of the 6 general
purpose registers. The 16-bit stack pointer controls the addressing of this external stack. This stack gives the
8080A the ability to easily handle multiple level priority interrupts by rapidly storing and restoring processor
status. It also provides almost unlimited subroutine nesting.
This microprocessor has been designed to simplify systems design. Separate 16-lIne address and 8-line
bidirectional data busses are used to facilitate easy interface to memory and I/O. Signals to control the
interface to memory and I/O are provided directly by the 8080A. Ultimate control of the address and data
busses resides with the HOLD signal. It provides the ability to suspend processor operation and force the
address and data busses into a high impedance state. This permits OR-tying these busses with other control-
ling devices for (OMA) direct memory access or multi-processor operation.
NOTE:
The 8080A is functionally and electrically compatible with the Intel 8080.
November 1988
1-1 Order Number. 231453-001
This Material Copyrighted By Its Respective Manufacturer

8080A-2 datasheet
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8080A/8080A-1/8080A-2
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231453-2
231453-1
1-2
This Material Copyrighted By Its Respective Manufacturer





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