IA186XL/IA188XL
16-Bit Microcontrollers
Data Sheet
July 6, 2011
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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UNCONTROLLED WHEN PRINTED OR COPIED
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IA186XL/IA188XL
16-Bit Microcontrollers
Data Sheet
July 6, 2011
6.
7.
8.
9.
10.
5.7 Reset and HOLD/HLDA Timings...............................................................................57
Instruction Execution Times .................................................................................................61
Innovasic Part Number Cross-Reference..............................................................................66
Errata.....................................................................................................................................69
8.1 Summary .....................................................................................................................69
8.2 Detail ...........................................................................................................................70
Data Sheet Revision History .................................................................................................74
For Additional Information...................................................................................................75
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IA211080711-09
UNCONTROLLED WHEN PRINTED OR COPIED
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Customer Support:
1-888-824-4184
IA186XL/IA188XL
16-Bit Microcontrollers
Data Sheet
July 6, 2011
LIST OF FIGURES
Figure 1. IA186XL 68-Lead PLCC Package Diagram .................................................................10
Figure 2. IA188XL 68-Lead PLCC Package Diagram .................................................................12
Figure 3. PLCC Physical Package Dimensions ............................................................................14
Figure 4. IA186XL 80-Lead PQFP Package Diagram .................................................................15
Figure 5. IA188XL 80-Lead PQFP Package Diagram .................................................................17
Figure 6. PQFP Physical Package Dimensions.............................................................................19
Figure 7. IA186XL 80-Lead LQFP Package Diagram .................................................................20
Figure 8. IA188XL 80-Lead LQFP Package Diagram .................................................................22
Figure 9. LQFP Physical Package Dimensions ............................................................................24
Figure 10. IA186XL/IA188XL Functional Block Diagram .........................................................41
Figure 11. Clock Circuit Connection Options ..............................................................................43
Figure 12. Read Cycle Waveforms ...............................................................................................48
Figure 13. Write Cycle Waveforms ..............................................................................................50
Figure 14. Interrupt Acknowledge Cycle Waveforms ..................................................................52
Figure 15. Software Halt Cycle Waveforms .................................................................................54
Figure 16. Clock Waveforms ........................................................................................................58
Figure 17. Reset Waveforms.........................................................................................................58
Figure 18. Synchronous Ready (SRDY) Waveforms ...................................................................58
Figure 19. Asynchronous Ready (ARDY) Waveforms ................................................................59
Figure 20. Peripheral and Queue Status Waveforms ....................................................................59
Figure 21. HOLDA/HLDA Waveforms (Entering Hold) .............................................................60
Figure 22. HOLD/HLDA Waveforms (Leaving Hold) ................................................................60
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UNCONTROLLED WHEN PRINTED OR COPIED
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