Intel MCS48 User Manual page 21

INTRODUCTION
FUNCTION
PART
NUMBER
DESCRIPTION
COMMENTS
Microcomputers 8021
Z 2™
C
r
° 9ram
M
6
"
10
^
-,k
A,n }
10
K»ec Cycle
2K
ROM
Program
Memory
with A/D
J
r
Compatible versions
of
the
8022 single chip
microcomputers
pro-
8048 1K
ROM
Program
Memory
i
vide
mask programmed,
light
8035
No
Program
Memory
64
x
8
RAM
\
2.5 >isec
Cycle
erasable, or
no
internal
program
8035L 8035 with
Power
Down Mode
\
memory.
8049
2K
ROM
Program
Memory
\
1
36
Q
No
Program
Memory 128x8
RAM
J 00
8039
CO
o
s
8748-8
8035-8
1K
EPROM
Program Memory
1
No
Program
Memory
/
50
f
sec
C
y c,e
Memory and
1/0
8355
2Kx8 ROM
with 16
I/O
Lines
Compatible devices allow
direct
Expanders 8755A
2Kx8 EPROM
with 16
I/O
Lines
expansion
of
MCS-48
functions
8155/56
256x8
RAM
with 22
I/O
Lines
and Timer
with
no
additional external
com-
8185
1Kx8 RAM
ponents.
I/O
Expander 8243 16 Line
I/O
Expander
Low
cost
I/O
expander.
Standard
ROMs
2308
1Kx8
450 ns
Allows low
cost external expan-
2316E 2K x
8 450 ns
sion
of
Program Memory. Each
2332
4K x
8
450 ns
ROM
is
interchangeable with an
EPROM.
Standard
EPROMs
2708
1
K x 8 450 ns
Light
Erasable
User
programmable and
eras-
2716
2K x
8
450 ns
Light Erasable able.
2732 4K x
8
450 ns
Light Erasable
Standard
RAMs
2111A-4 256
x
4
450 ns
Common
I/O
Data
memory
can be
easily
ex-
co
1-
2101A-4 256
x
4
450 ns Separate
I/O
panded using standard
NMOS
5101
256x4
650 ns
CMOS
RAMs. The
5101
CMOS
equiva-
Ul
lent
reduces standby
power
to
75
z
o
0.
s
nW/bit.
Standard
I/O
8212
8-Bit I/O
Port
Serves as
Address
Latch or
I/O
o
o
port.
s
8255A Programmable
Peripheral Interface
Three
8-bit
programmable
I/O
IA
CO
ports.
o
00
8251
Programmable Communication
Interface Serial
Communications
Receiv-
(0
er/Transmitters.
s
UJ
_l
m
8273 Programmable
HDLC/SDLC
Controller
Standard
Peripherals
8205
1-of-8
Binary
Decoder
MCS-80
peripheral
devices
are
P
8214
Priority
Interrupt
Controller
compatible
with the
MCS-48,
al-
<
a.
8216
Bidirectional
Bus
Driver
lowing easy
addition of
such
S
o
o
8226
Bidirectional
Bus
Driver
(Inverting)
specialized interfaces
as the
8253
Programmable
Interval
Timer 8279 Keyboard/Display
Interface.
8279/78 Programmable Keyboard/Display
Interface
(64
Keys/128 Keys)
Future MCS-80/85 devices
will
also be compatible.
8291
GPIB
Talker/Listener
8294
Data Encryption Unit
8295
Dot Matrix Printer Controller
Universal Peripheral 8041
ROM
Program
Memory User programmable
to perform
Interface 8741
EPROM
Program
Memory
any
custom
I/O
and
control func-
tions.
MCS-48™
MICROCOMPUTER COMPONENTS
1-3