IA186EB/IA188EB
8-Bit/16-Bit Microcontrollers
Data Sheet
July 10, 2011
TABLE OF CONTENTS
1.
Introduction.............................................................................................................................7
1.1 General Description.......................................................................................................7
1.2 Features .........................................................................................................................8
Packaging, Pin Descriptions, and Physical Dimensions .........................................................9
2.1 Packages and Pinouts ....................................................................................................9
2.1.1 IA186EB 84 PLCC Package ...........................................................................10
2.1.2 IA188EB 84 PLCC Package ...........................................................................12
2.1.3 PLCC Physical Dimensions ............................................................................14
2.1.4 IA186EB 80 PQFP Package ...........................................................................15
2.1.5 IA188EB 80 PQFP Package ...........................................................................17
2.1.6 PQFP Physical Dimensions ............................................................................19
2.1.7 IA186EB 80 LQFP Package ...........................................................................20
2.1.8 IA188EB 80 LQFP Package ...........................................................................22
2.1.9 LQFP Physical Dimensions ............................................................................24
2.2 IA186EB Pin/Signal Descriptions ...............................................................................25
2.3 IA188EB Pin/Signal Descriptions ...............................................................................34
Maximum Ratings, Thermal Characteristics, and DC Parameters .......................................42
Functional Description..........................................................................................................44
4.1 Device Architecture.....................................................................................................44
4.1.1 Bus Interface Unit ...........................................................................................44
4.1.2 Clock Generator ..............................................................................................46
4.1.3 Interrupt Control Unit .....................................................................................47
4.1.4 Timer/Counter Unit ........................................................................................47
4.1.5 Serial Communications Unit...........................................................................47
4.1.6 Chip-Select Unit .............................................................................................47
4.1.7 I/O Port Unit ...................................................................................................48
4.1.8 Refresh Control Unit.......................................................................................48
4.1.9 Power Management Unit ................................................................................48
4.2 Peripheral Architecture ...............................................................................................48
4.3 Reference Documents .................................................................................................51
AC Specifications .................................................................................................................51
5.1 AC Test Conditions .....................................................................................................55
5.2 Clock Input and Clock Output Timing Characteristics ...............................................56
5.3 Serial Port Mode 0 Timing Characteristics .................................................................58
Reset Operation ....................................................................................................................59
Bus Timing ...........................................................................................................................59
Instruction Execution Times .................................................................................................69
Errata.....................................................................................................................................77
9.1 Summary .....................................................................................................................77
9.2 Detail ...........................................................................................................................78
2.
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8.
9.
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IA186EB/IA188EB
8-Bit/16-Bit Microcontrollers
Data Sheet
July 10, 2011
LIST OF FIGURES
Figure 1. IA186EB 84-Pin PLCC Package Diagram ....................................................................10
Figure 2. IA188EB 84-Pin PLCC Package Diagram ....................................................................12
Figure 3. 84-Pin PLCC Physical Package Dimensions ................................................................14
Figure 4. IA186EB 80-Pin PQFP Package Diagram ....................................................................15
Figure 5. IA188EB 80-Pin PQFP Package Diagram ....................................................................17
Figure 6. 80-Pin PQFP Physical Package Dimensions .................................................................19
Figure 7. IA186EB 80-Pin LQFP Package Diagram ....................................................................20
Figure 8. IA188EB 80-Pin LQFP Package Diagram ....................................................................22
Figure 9. 80-Pin LQFP Physical Package Dimensions .................................................................24
Figure 10. IA186EB/IA188EB Functional Block Diagram ..........................................................45
Figure 11. Clock Circuit Connection Options ..............................................................................46
Figure 12. AC Input Characteristics .............................................................................................51
Figure 13. AC Output Characteristics ...........................................................................................52
Figure 14. Relative Timing Characteristics ..................................................................................54
Figure 15. AC Test Load ..............................................................................................................55
Figure 16. Clock Input and Clock Output Timing Characteristics ...............................................56
Figure 17. Serial Port Mode 0 Timing Characteristics .................................................................58
Figure 18. Cold Reset Timing.......................................................................................................60
Figure 19. Warm Reset Timing ....................................................................................................61
Figure 20. Read, Fetch, and Refresh Cycle Timing ......................................................................62
Figure 21. Write Cycle Timing .....................................................................................................63
Figure 22. Halt Cycle Timing .......................................................................................................64
Figure 23. Interrupt Acknowledge (inta1_n, inta0_n) Cycle Timing ...........................................65
Figure 24. hold/hlda Timing .........................................................................................................66
Figure 25. Refresh During Hold Acknowledge Timing ...............................................................67
Figure 26. Ready Timing ..............................................................................................................68
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