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NEW HIGH PERFORMANCE
18049/8039
SINGLE COMPONENT 8·BIT MICROCOMPUTER
*8049 Mask Programmable
ROM
*8039 External
ROM
or
EPROM
*6 MHz Operation
• 8·BIt
CPU,
ROM,
RAM,
110
In
Single
Package
• Single 5V::t 10% Supply
•
2.5
ILsec
Cycle; All Instructions
1
or
2 Cycles
• Over
90
Instructions: 70% Single Byte
• Pin Compatible
with
804818748
• 2K)( 8
ROM
128)( 8
RAM
27110
LInes
• Interval Timer/Event Counter
• Easily Expandable Memory and I/O
•
Compatible
with
MCS Memory and I/O
• Single
Level Interrupt
The
Intel@>
18049/8039
is
totally self-sufficient 8-bit parallel computer fabricated
on
a single silicon chip using Intel's
N-channel silicon gate
MOS
process.
The
8049
contains a 2K x 8 program memory, a
128
x 8
RAM
data memory,
27
110
lines, and
an
8-blt timer/counter
In
addition to on-board oscillator and clock circuits. For systems that require extra capability, the
8049
can
be
expanded
using standard memories and
MeS-80
TM/MeS-85
™ peripherals. The
8039
is the equivalent of
an
8049
without program
memory.
To reduce development problems to a minimum and provide maximum
flexibility, two Interchangeable pin-compatible
versions of this single component microcomputer exist: the
8049
with factory-programmed mask
ROM
program
memory for low-cost high volume production, and the
8039
without program memory for use with external program
memories
In
prototype and preproduction systems. .
This microprocessor is designed to
be
an
efficient controller as well as an arithmetic processor. The
8049
has exten-
sive bit handling capability
as
well as facilities for both binary and BeD arithmetic. Efficient use of program memory
results from
an
instruction set consisting mostly of single byte instructions and no instructions over two bytes in
length.
PIN
CONFIGURATION
LOGIC
SYMBOL
18039
18049
BLOCK
DIAGRAM
INTeL
CORPORATION
ASSUMES
NO
RESPONSIBILITY
FOR
THE
USE
OF
ANY
CIRCUITRY
OTHER
THAN
CIRCUITRY
EMBODIED
IN
AN
INTeL
PRODUCT.
NO
OTHER
CIRCUIT
PATENT
LICENSES
ARE
IMPLIED.
olNTEL
CORPORATION,
1979
AFN-00737-01
6-41