Specifications

CY8C21123/CY8C21223/CY8C21323
Document Number: 38-12022 Rev. *Y Page 2 of 46
Contents
PSoC Functional Overview ..............................................3
PSoC Core ..................................................................3
Digital System .............................................................3
Analog System ............................................................4
Additional System Resources .....................................4
PSoC Device Characteristics ......................................5
Getting Started ..................................................................5
Application Notes ........................................................5
Development Kits ........................................................5
Training .......................................................................5
CYPros Consultants ....................................................5
Solutions Library ..........................................................5
Technical Support .......................................................5
Development Tool Selection ...........................................6
Software ......................................................................6
Designing with PSoC Designer .......................................7
Select Components .....................................................7
Configure Components ...............................................7
Organize and Connect ................................................7
Generate, Verify, and Debug .......................................7
Pin Information .................................................................8
8-Pin Part Pinout .......................................................8
16-Pin Part Pinout ......................................................8
20-Pin Part Pinout ....................................................10
24-Pin Part Pinout ....................................................11
Register Reference .........................................................12
Register Conventions ................................................12
Register Mapping Tables ..........................................12
Electrical Specifications ................................................16
Absolute Maximum Ratings .......................................16
Operating Temperature ............................................17
DC Electrical Characteristics .....................................17
AC Electrical Characteristics .....................................23
Packaging Information ...................................................31
Packaging Dimensions ..............................................31
Thermal Impedances ................................................34
Solder Reflow Specifications .....................................34
Ordering Information ......................................................35
Ordering Code Definitions ........................................35
Acronyms ........................................................................36
Acronyms Used .........................................................36
Reference Documents ....................................................36
Document Conventions .................................................37
Units of Measure .......................................................37
Numeric Conventions ................................................37
Glossary ..........................................................................37
Errata ...............................................................................42
Part Numbers Affected ..............................................42
CY8C21123 Qualification Status ...............................42
CY8C21123 Errata Summary .................................... 42
Document History Page .................................................44
Sales, Solutions, and Legal Information ......................46
Worldwide Sales and Design Support ....................... 46
Products ....................................................................46
PSoCĀ® Solutions ......................................................46
Cypress Developer Community .................................46
Technical Support .....................................................46