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N80C186XL20 Datasheet(PDF) 3 Page - InnovASIC, Inc |
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N80C186XL20 Datasheet(HTML) 3 Page - InnovASIC, Inc |
3 / 75 page IA186XL/IA188XL Data Sheet 16-Bit Microcontrollers July 6, 2011 IA211080711-09 http://www.Innovasic.com UNCONTROLLED WHEN PRINTED OR COPIED Customer Support: Page 3 of 75 1-888-824-4184 ® TABLE OF CONTENTS List of Figures ..................................................................................................................................5 List of Tables ...................................................................................................................................6 1. Introduction.............................................................................................................................7 1.1 General Description.......................................................................................................7 1.2 Features .........................................................................................................................7 2. Packaging, Pin Descriptions, and Physical Dimensions.........................................................9 2.1 Packages and Pinouts ....................................................................................................9 2.1.1 IA186XL 68 PLCC Package ..........................................................................10 2.1.2 IA188XL 68 PLCC Package ..........................................................................12 2.1.3 PLCC Physical Dimensions............................................................................14 2.1.4 IA186XL 80 PQFP Package ...........................................................................15 2.1.5 IA188XL 80 PQFP Package ...........................................................................17 2.1.6 PQFP Physical Dimensions ............................................................................19 2.1.7 IA186XL 80 LQFP Package...........................................................................20 2.1.8 IA188XL 80 LQFP Package...........................................................................22 2.1.9 LQFP Physical Dimensions ............................................................................24 2.2 IA186XL Pin/Signal Descriptions ..............................................................................25 2.3 IA188XL Pin/Signal Descriptions ..............................................................................31 3. Maximum Ratings, Thermal Characteristics, and DC Parameters .......................................37 4. Functional Description..........................................................................................................39 4.1 Device Architecture.....................................................................................................39 4.1.1 Bus Interface Unit...........................................................................................39 4.1.2 Clock Generator..............................................................................................42 4.1.3 Interrupt Control Unit .....................................................................................42 4.1.4 Timer/Counter Unit ........................................................................................42 4.1.5 Chip-Select/Ready Generation Logic .............................................................43 4.1.6 DMA ...............................................................................................................44 4.1.7 DRAM Refresh Control Unit..........................................................................44 4.1.8 Power-Save Control........................................................................................44 4.2 Operating Modes .........................................................................................................45 4.2.1 Enhanced Mode ..............................................................................................45 4.2.2 Queue Status Mode.........................................................................................45 4.2.3 ONCE Mode ...................................................................................................45 4.2.4 Math Coprocessor (IA186XL Only)...............................................................45 Table 12. Internal Register Map..........................................................................................46 5. AC Specifications .................................................................................................................47 5.1 Major Cycle Timings – Read Cycle ............................................................................47 5.2 Major Cycle Timings – Write Cycle ...........................................................................49 5.3 Major Cycle Timings – Interrupt Acknowledge Cycle ...............................................51 5.4 Software Halt Cycle Timings ......................................................................................53 5.5 Clock Timings .............................................................................................................55 5.6 Ready, Peripheral and Queue Status Timings .............................................................56 |
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