Datasheet

CY8C21634, CY8C21534, CY8C21434
CY8C21334, CY8C21234
Document Number: 38-12025 Rev. AB Page 2 of 53
Contents
PSoC Functional Overview .............................................. 3
The PSoC Core ...........................................................3
The Digital System ......................................................3
The 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 Tools .......................................................... 6
PSoC Designer Software Subsystems ........................ 6
Designing with PSoC Designer ....................................... 7
Select User Modules ................................................... 7
Configure User Modules ..............................................7
Organize and Connect ................................................ 7
Generate, Verify, and Debug ....................................... 7
Pin Information .................................................................8
16-pin Part Pinout ........................................................8
Pin Definitions ............................................................. 8
20-pin Part Pinout ........................................................9
Pin Definitions ............................................................. 9
28-pin Part Pinout ......................................................10
Pin Definitions ........................................................... 10
32-pin Part Pinout ......................................................11
Pin Definitions ........................................................... 12
56-pin Part Pinout ......................................................13
Pin Definitions ........................................................... 13
Register Reference ......................................................... 15
Register Conventions ................................................15
Register Mapping Tables ..........................................15
Absolute Maximum Ratings .......................................... 18
Operating Temperature .................................................. 18
Electrical Specifications ................................................ 19
DC Electrical Characteristics ..................................... 19
AC Electrical Characteristics ..................................... 25
Packaging Information ................................................... 33
Thermal Impedances ................................................. 37
Solder Reflow Specifications ..................................... 37
Development Tool Selection ......................................... 38
Software .................................................................... 38
Development Kits ...................................................... 38
Evaluation Tools ........................................................ 38
Device Programmers ................................................. 39
Accessories (Emulation and Programming) .............. 39
Ordering Information ...................................................... 40
Ordering Code Definitions ......................................... 41
Acronyms ........................................................................ 42
Reference Documents .................................................... 42
Document Conventions ................................................. 43
Units of Measure ....................................................... 43
Numeric Conventions ................................................ 43
Glossary .......................................................................... 43
Errata ............................................................................... 48
Part Numbers Affected .............................................. 48
CY8C21234 Qualification Status ............................... 48
CY8C21234 Errata Summary .................................... 49
Document History Page ................................................. 50
Sales, Solutions, and Legal Information ...................... 53
Worldwide Sales and Design Support ....................... 53
Products .................................................................... 53
PSoC® Solutions ...................................................... 53
Cypress Developer Community ................................. 53
Technical Support ..................................................... 53