RM5231A™ Microprocessor with 32-Bit System Bus Data Sheet

Preliminary

Proprietary and Confidential to PMC-Sierra, Inc and for its Customer’s Internal Use

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Document ID: PMC-2002174, Issue 2

3.31 Boot-Time Options .......................................................................................................25

3.32 Boot-Time Modes .........................................................................................................26

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Pin Descriptions ....................................................................................................................27

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Absolute Maximum Ratings ..................................................................................................30

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Recommended Operating Conditions ...................................................................................31

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DC Electrical Characteristics .................................................................................................32

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Power Consumption ..............................................................................................................33

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AC Electrical Characteristics .................................................................................................34

9.1

Capacitive Load Deration .............................................................................................34

9.2

Clock Parameters ........................................................................................................34

9.3

System Interface Parameters .......................................................................................35

9.4

Boot-Time Interface Parameters ..................................................................................35

10 Timing Diagrams ...................................................................................................................36

10.1 System Interface Timing ..............................................................................................36

11 Packaging Information ..........................................................................................................37

12 RM5231A 128 QFP Package Numerical Pinout ...................................................................38

13 RM5231A 128 QFP Package Alphabetical Pinout ................................................................39

14 Ordering Information .............................................................................................................40