IA186EM_04 Datasheet, PDF (2/133 Pages) InnovASIC, Inc – 8/16-Bit Microcontrollers

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
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