R80C188XL-25 データシートの表示（PDF） - Intel
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R80C188XL-25 Datasheet PDF : 48 Pages
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80C186XL 80C188XL
16-Bit High-Integration Embedded Processors
CONTENTS
PAGE
INTRODUCTION
4
80C186XL CORE ARCHITECTURE
4
80C186XL Clock Generator
4
Bus Interface Unit
5
80C186XL PERIPHERAL
ARCHITECTURE
5
Chip-Select Ready Generation Logic
5
DMA Unit
6
Timer Counter Unit
6
Interrupt Control Unit
6
Enhanced Mode Operation
6
Queue-Status Mode
6
DRAM Refresh Control Unit
7
Power-Save Control
7
Interface for 80C187 Math Coprocessor
(80C186XL Only)
7
ONCE Test Mode
7
PACKAGE INFORMATION
8
Pin Descriptions
8
80C186XL 80C188XL Pinout
Diagrams
16
ELECTRICAL SPECIFICATIONS
22
Absolute Maximum Ratings
22
DC SPECIFICATIONS
22
Power Supply Current
23
CONTENTS
AC SPECIFICATIONS
Major Cycle Timings (Read Cycle)
Major Cycle Timings (Write Cycle)
Major Cycle Timings (Interrupt
Acknowledge Cycle)
Software Halt Cycle Timings
Clock Timings
Ready Peripheral and Queue Status
Timings
Reset and Hold HLDA Timings
AC TIMING WAVEFORMS
AC CHARACTERISTICS
EXPLANATION OF THE AC
SYMBOLS
DERATING CURVES
80C186XL 80C188XL EXPRESS
80C186XL 80C188XL EXECUTION
TIMINGS
INSTRUCTION SET SUMMARY
REVISION HISTORY
ERRATA
PRODUCT IDENTIFICATION
PAGE
24
24
26
27
28
29
30
31
36
37
39
40
41
41
42
48
48
48
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