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iAPX
88/10
8-BIT HMOS
MICROPROCESSOR
8088/8088-2
8·Bit
Data
Bus
Interface
16·Bit
Internal
Architecture
Direct
Addressing
Capability
to
1
Mbyte
of
Memory
Direct
Software
Compatibility
with
iAPX
86110
(8086
CPU)
14·Word
by
16·Bit
Register
Set
with
Symmetrical
Operations
24
Operand
Addressing
Modes
Byte,
Word,
and
Block
Operations
•
8·Bit
and
16·Bit
Signed
and
Unsigned
Arithmetic
in
Binary
or
Decimal,
Including
Multiply
and
Divide
• Compatible
with
8155·2,
8755A·2
and
8185·2
Multiplexed
Peripherals
•
Two
Clock
Rates:
5 M
Hz
for
8088
8 MHz
for
8088·2
•
Available
in
EXPRESS
-
Standard
Temperature
Range
-
Extended
Temperature
Range
The Intel® iAPX 88/10
isa
new generation, high performance microprocessor implemented in N-channel, depletion load,
silicon
gate technology (HMOS), and packaged in a 40-pin CerDIP package. The processor has attributes
of
both 8- and
16-bit microprocessors.
'It
is directly compatible
with
iAPX 86/10 software and 8080/8085 hardware and peripherals.
MEMORY
INTERFACE
C·BUS
MIN
I
MAX
1
MODE
MODE
GND
Vee
A14
A15
INSTRUCTION
A13
A16/S3
STREAM
BYTE
~UEUE
A12
A17/54
An
A1B/S5
Al0
A19/56
BUS
CS
A9
SSO
(HIGH)
INTERFACE
S5
AS
MN/MX
UNIT
DS
AD7
jjjj
IP
AD6
HOLD
(RO/Gf(j)
ADS
HLDA
(ROJGT1)
A·BUS
AD4
Viii
(LOCK)
AD3
10/M
(82)
AD2
DTiii
(s1)
AH
AL
ADl
lIEN
(50)
BH
BL
ADO
ALE
(OSO)
CH
CL
Tm'A
DH DL
NMI
(OSl)
EXECUTION
UNIT
SP
INTR
fm'
BP
ClK
READY
SI
GND
RESET
DI
FLAGS
Figure 1. iAPX 88/10 CPU Functional Block Diagram
Figure 2. iAPX
88/10 Pin Configuration
Intel Corporation
Assumes
No
Responsibilty
for
the Use
of
Any
Circuitry Other
Than
Circuitry
Embodied
in
an
Intel
Product.
No
Other
Circuit
Patent
Licenses
a'fe
Implied.
© INTEL CORPORATION.
1980
37
AFN·OOB26D