Document Number: 001-52038 Rev. *D Page 2 of 21
Contents
Pin Configurations ...........................................................3
Pin Descriptions ...............................................................3
Absolute Maximum Ratings ............................................4
DC Characteristics ...........................................................4
AC Test Conditions ..........................................................5
Capacitance ......................................................................5
SRAM Read Cycles #1 and #2 .........................................6
SRAM Write Cycle #1 and #2 ...........................................7
Hardware Mode Selection ................................................8
Hardware STORE Cycle ...................................................8
AutoStore/Power up RECALL .........................................9
Software STORE/RECALL Mode Selection ..................10
Software-Controlled STORE/RECALL Cycle ................10
nvSRAM Operation .........................................................11
Noise Considerations .....................................................11
SRAM Read .....................................................................11
SRAM Write .....................................................................11
Power Up RECALL .........................................................11
Software Nonvolatile STORE .........................................11
Software Nonvolatile RECALL ......................................11
AutoStore Mode ..............................................................11
AutoStore INHIBIT Mode ................................................ 12
HSB Operation ................................................................12
Best Practices .................................................................13
Preventing STORES .......................................................13
Hardware Protect ............................................................13
Low Average Active Power ............................................13
Ordering Information ......................................................14
Commercial and Industrial Ordering Information .......14
Military Ordering Information .....................................15
Package Diagrams ..........................................................16
Acronyms ........................................................................19
Document Conventions .................................................19
Units of Measure .......................................................19
Document History Page ................................................20
Sales, Solutions, and Legal Information ......................21
Worldwide Sales and Design Support ....................... 21
Products ....................................................................21
PSoC Solutions .........................................................21
Not Recommended for New Designs
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