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8048/8035L/87 48/87 48·6/8035
SINGLE COMPONENT 8·BIT MICROCOMPUTER
• 8048 Mask Programmable
ROM
• 8035L
CPU
Only
with
Power Down Mode
• 8748 User Programmable EPROM
• 8748·6 Up
to
55C 8748
• 8035
CPU
Only (No Power Down Mode)
• 8·BIT
CPU,
ROM,
RAM,
1/0
in Single
Package
• Interchangeable
ROM
and
EPROM
Versions
• 1 K x 8 ROMIEPROM
64x
8
RAM
27110
Lines
• Interval TimerlEvent Counter
• Single
5V
Supply
•
Easily Expandable Memory and
1/0
•
2.5
fJsec
and
5.0
fJsec
Cycle Versions
All Instructions 1 or 2 Cycles.
• Over
90
Instructions: 70% Single Byte
• Compatible with
808018085
Series,
Peripherals
• Single Level Interrupt
The Intel 8048/8748/8743-6/8748-B/8035/B035-8 are totally self-sufficient, 8-blt parallel computers fabricated on single
silicon chips using Intel's N-channel silicon gate MOS process.
The
B048
contains a 1 K x B program memory, a 64 x B RAM data memory,
27
I/O
lines, and
an
8-blt timer/counter in addi-
tion
to
on-board oscillator and clock circuits. For systems that require extra capability, the 8048 can be expanded using
standard memories and
MeS-BO /MeS-B5 peripherals. The 8035 Is the equivalent
of
an
8048 without program memory
and can be used with
external ROM and RAM. The B035L has the RAM power-down mode
of
the
804B
while the 8035 does
not. The 8748-6 is a 6 MHz
B74B
up
to
55e. To reduce development problems
to
a minimum and provide maximum flexi-
bility, three interchangeable pin-compatible versions
of
this single component microcomputer exist: the 8748 with user-
programmable
and erasable EPROM program memory
for
prototype and preproduction systems, the
B04B
with factory-
programmed mask ROM program memory
for
low cost, high
VOlume
production, and the
B035
without program memory
for
use with external program memories.
These microcomputers are designed
to
be efficient controllers
as
weil
as
arithmetic processors. They have extensive bit
handling capability
as
weli
as
facilities for both binary and
BeD
arithmetic. Efficient use
of
program memory results from
an
instruction set consisting mostly
of
single bit instructions and no instructions over 2 bytes in length.
PIN CONFIGURATION
LOGIC SYMBOL
8048
8035L
8748
8748·6
8035
ADDRESS
L.ATCH
ENABLE
PORT
EXPANDER
STROBE
BLOCK DIAGRAM
INTEL
CORPORATION
ASSUMES
NO
RESPONSIBILITY
FOR
THE
USE
OF
ANY
CIRCUITRY
OTHER
THAN
CIRCUITRY
EMBOOIEO
IN
AN
INTEL
PROOUCT.
NO
OTHER
CIRCUIT
PATENT
LICENSES
ARE
IMPLIEO.
6-9
AFN.Q1354A.Ql