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InnovASIC
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IA188EM

(IA186EM / IA188EM) 8/16-Bit Microcontrollers



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IA188EM pdf
IA186EM/IA188EM
8/16-Bit Microcontrollers
Data Sheet
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Copyright ! 2004



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IA188EM pdf
IA186EM/IA188EM
8/16-BIT Microcontrollers
Data Sheet
As of Production Version -03
Contents
Features......................................................................................................................................................4
Description ...............................................................................................................................................5
Bus Interface and Control ................................................................................................................7
Peripheral Control and Registers..................................................................................................7
Clock and Power Management....................................................................................................49
System Clocks..........................................................................................................................................49
Power-Save Mode ....................................................................................................................................50
Initialization and Reset.............................................................................................................................50
Reset Configuration Register ...................................................................................................................50
Chip-Selects .............................................................................................................................................50
Chip-Select Timing ..................................................................................................................................50
Ready and Wait-State Programming........................................................................................................50
Chip-Select Overlap .................................................................................................................................51
Upper Memory Chip Select .....................................................................................................................52
Low Memory Chip Select ........................................................................................................................52
Midrange Memory Chip Selects ..............................................................................................................52
Peripheral Chip Selects ............................................................................................................................52
Refresh Control ........................................................................................................................................53
Interrupt Control ......................................................................................................................................53
Interrupt Types .....................................................................................................................................54
Interrupt Table Notes ...........................................................................................................................55
Timer Control...........................................................................................................................................55
Direct Memory Access (DMA)................................................................................................................56
DMA Operation .......................................................................................................................................56
DMA Channel Control Registers .........................................................................................................56
DMA Priority .......................................................................................................................................57
Asynchronous Serial Port...............................................................................................................58
Synchronous Serial Port..................................................................................................................58
Programmable I/O (PIO) ................................................................................................................59
Pin Descriptions ..................................................................................................................................60
Instruction Set Summary ................................................................................................................71
Key to Abbreviations Used Instruction Summary Table .........................................................................85
Absolute Maximum Ratings .........................................................................................................90
DC Characteristics Over Commercial Operating Ranges..............................................90
AC Characteristics Over Commercial Operating Ranges (40 MHz) ...........................................................91
Waveforms .............................................................................................................................................94
Alphabetic Key to Waveform Parameters................................................................................................94
Numeric Key to Waveform Parameters ...................................................................................................95
Read Cycle Timing ..................................................................................................................................97
3737 Princeton NE, Ste 130 • Albuquerque, NM 87107 • Tel 505.883.5263 • Fax 505.883.5477 • www.Innovasic.com



Part Number IA188EM
Description (IA186EM / IA188EM) 8/16-Bit Microcontrollers
Maker InnovASIC - InnovASIC
Total Page 30 Pages
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