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M80C186XL20 Datasheet(PDF) 2 Page - Intel Corporation

Part No. M80C186XL20
Description  16-BIT HIGH-INTEGRATION EMBEDDED PROCESSOR
Download  44 Pages
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Maker  INTEL [Intel Corporation]
Homepage  http://www.intel.com
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M80C186XL20 Datasheet(HTML) 2 Page - Intel Corporation

 
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M80C186XL20 16 12 10
16-BIT HIGH INTEGRATION EMBEDDED PROCESSOR
CONTENTS
PAGE
INTRODUCTION
10
M80C186XL BASE ARCHITECTURE
10
M80C186XL Clock Generator
10
Bus Interface Unit
11
M80C186XL PERIPHERAL
ARCHITECTURE
11
Chip-SelectReady Generation Logic
11
DMA Unit
12
TimerCounter Unit
12
Interrupt Control Unit
12
Enhanced Mode Operation
12
Queue-Status Mode
12
DRAM Refresh Control Unit
13
Power-Save Control
13
Interface for 80C187 Math
Coprocessor
13
ONCE Test Mode
13
ABSOLUTE MAXIMUM RATINGS
14
DC CHARACTERISTICS
14
CONTENTS
PAGE
AC CHARACTERISTICS
16
Major Cycle Timings (Read Cycle)
16
Major Cycle Timings (Write Cycle)
18
Major Cycle Timings (Interrupt
Acknowledge Cycle)
20
Software Halt Cycle Timings
22
Clock Timings
23
Ready Peripheral and Queue Status
Timings
25
Reset and HoldHLDA Timings
27
AC TIMING WAVEFORMS
33
EXPLANATION OF THE AC
SYMBOLS
36
DERATING CURVES
37
M80C186XL EXECUTION TIMINGS
38
INSTRUCTION SET SUMMARY
39
FOOTNOTES
44
2


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