INTEL A80188

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changes to these specifications at any time, without notice. Microcomputer Products may have minor variations to this specification known as errata.
November 1994
COPYRIGHT
©
INTEL CORPORATION, 1995
Order Number: 272430-002
80186/80188
HIGH-INTEGRATION 16-BIT MICROPROCESSORS
Y
Integrated Feature Set
Ð Enhanced 8086-2 CPU
Ð Clock Generator
Ð 2 Independent DMA Channels
Ð Programmable Interrupt Controller
Ð 3 Programmable 16-bit Timers
Ð Programmable Memory and
Peripheral Chip-Select Logic
Ð Programmable Wait State Generator
Ð Local Bus Controller
Y
Available in 10 MHz and 8 MHz
Versions
Y
High-Performance Processor
Ð 4 Mbyte/Sec Bus Bandwidth
Interface
@
8 MHz (80186)
Ð 5 Mbyte/Sec Bus Bandwidth
Interface
@
10 MHz (80186)
Y
Direct Addressing Capability to 1 Mbyte
of Memory and 64 Kbyte I/O
Y
Completely Object Code Compatible
with All Existing 8086, 8088 Software
Ð 10 New Instruction Types
Y
Numerics Coprocessing Capability
Through 8087 Interface
Y
Available in 68 Pin:
Ð Plastic Leaded Chip Carrier (PLCC)
Ð Ceramic Pin Grid Array (PGA)
Ð Ceramic Leadless Chip Carrier (LCC)
Y
Available in EXPRESS
Ð Standard Temperature with Burn-In
Ð Extended Temperature Range
(
b
40
§
Cto
a
85
§
C)
2724301
Figure 1. Block Diagram
1
80186/80188 High-Integration 16-Bit Microprocessors
CONTENTS PAGE
FUNCTIONAL DESCRIPTION
ÀÀÀÀÀÀÀÀÀÀÀÀÀ 9
Introduction ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 9
CLOCK GENERATOR ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 9
Oscillator ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 9
Clock Generator ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 9
READY Synchronization ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 9
RESET Logic ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 9
LOCAL BUS CONTROLLER ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 9
Memory/Peripheral Control ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 10
Local Bus Arbitration ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 10
Local Bus Controller and Reset ÀÀÀÀÀÀÀÀÀÀÀÀ 10
PERIPHERAL ARCHITECTURE ÀÀÀÀÀÀÀÀÀÀ 10
Chip-Select/Ready Generation Logic ÀÀÀÀÀÀ 10
DMA Channels ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 11
Timers ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 11
Interrupt Controller ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 12
CONTENTS PAGE
ABSOLUTE MAXIMUM RATINGS
ÀÀÀÀÀÀÀÀ 15
D.C. CHARACTERISTICS ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 15
A.C. CHARACTERISTICS ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 16
EXPLANATION OF THE AC
SYMBOLS
ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 18
WAVEFORMS ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 19
EXPRESS ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 25
EXECUTION TIMINGS ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 26
INSTRUCTION SET SUMMARY ÀÀÀÀÀÀÀÀÀÀ 27
FOOTNOTES ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 32
REVISION HISTORY ÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀÀ 33
2
2
80186/80188
Contacts Facing Up
Contacts Facing Down
2724302
Figure 2. Ceramic Leadless Chip Carrier (JEDEC Type A)
Pins Facing Up Pins Facing Down
2724303
Figure 3. Ceramic Pin Grid Array
NOTE:
Pin names in parentheses apply to the 80188.
3
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