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參數(shù)資料
| 型號： | 272420-007 |
| 廠商： | Intel Corp. |
| 英文描述： | Intel386 EX Embedded Microprocessor |
| 中文描述： | 英特爾386防爆嵌入式微處理器 |
| 文件頁數(shù)： | 3/56頁 |
| 文件大小： | 766K |
| 代理商： | 272420-007 |
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Datasheet
3
Intel386 EX Embedded Microprocessor
Contents
1.0
2.0
3.0
4.0
Introduction
..................................................................................................................7
Pin Assignment
...........................................................................................................8
Pin Description
..........................................................................................................12
Functional Description
...........................................................................................19
4.1
Clock Generation and Power Management Unit.................................................19
4.2
Chip-select Unit...................................................................................................19
4.3
Interrupt Control Unit...........................................................................................19
4.4
Timer/Counter Unit..............................................................................................20
4.5
Watchdog Timer Unit...........................................................................................20
4.6
Asynchronous Serial I/O Unit ..............................................................................20
4.7
Synchronous Serial I/O Unit................................................................................21
4.8
Parallel I/O Unit...................................................................................................21
4.9
DMA and Bus Arbiter Unit ...................................................................................21
4.10
Refresh Control Unit............................................................................................22
4.11
JTAG Test-logic Unit...........................................................................................22
Design Considerations
..........................................................................................23
5.1
Instruction Set .....................................................................................................23
5.2
Component and Revision Identifiers ...................................................................24
5.3
Package Thermal Specifications.........................................................................24
Electrical Specifications
........................................................................................27
6.1
Maximum Ratings................................................................................................27
6.2
DC Specifications................................................................................................28
6.3
AC Specifications ................................................................................................30
Bus Cycle Waveforms
............................................................................................47
5.0
6.0
7.0
Figures
1
2
3
4
Intel386 EX Embedded Processor Block Diagram............................................7
Intel386 EX Embedded Processor 132-Pin PQFP Pin Assignment ..................8
Intel386 EX Embedded Processor 144-Pin TQFP Pin Assignment.................10
Maximum Case Temperature vs. Frequency for Typical Power Values
(132-lead PQFP, V
cc
= 5.5 V) .............................................................................25
Maximum Case Temperature vs. Frequency for Typical Power Values
(144-lead TQFP, V
cc
= 5.5 V nominal)................................................................25
Maximum Case Temperature vs. Frequency for Typical Power Values
(132-lead PQFP, V
cc
= 3.6 V) .............................................................................26
Maximum Case Temperature vs. Frequency for Typical Power Values
(144-lead TQFP, V
cc
= 3.6 V)..............................................................................26
Drive Levels and Measurement Points for AC Specifications (EXTC) ................30
Drive Levels and Measurement Points for AC Specifications (EXTB) ................31
AC Test Loads.....................................................................................................42
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