CY8C20224/CY8C20324 CY8C20424/CY8C20524 CapSense PSoC Programmable System-on-Chip CapSense PSoC Programmable System-on-Chip High-performance CapSense Features Ultra fast scan speed 1 kHz (nominal) Low power, configurable CapSense Reliable finger detection through 5 mm thick acrylic Configurable capacitive sensing elements Excellent EMI and AC noise immunity operating voltage Industry best flexibility Operating voltage: 2.4 V to 5.25 V 8 KB flash program storage 50,000 erase and write cycles Low operating current 512-bytes SRAM data storage Active 1.5 mA (at 3.0 V, 12 MHz) Bootloader for ease of field reprogramming Sleep 2.8 A (at 3.3 V) Partial flash updates Supports up to 25 capacitive buttons Flexible flash protection modes Supports one slider Interrupt controller Up to 10 cm proximity sensing In-system serial programming (ISSP) Supports up to 28 general-purpose I/O (GPIO) pins Free complete development tool (PSoC Designer) Drive LEDs and other outputs Full-featured, in-circuit emulator and programmer Configurable LED behavior (fading, strobing) Full-speed emulation LED color mixing (RBG LEDs) Complex breakpoint structure Pull-up, high Z, open-drain, and CMOS drive modes on all 128 KB trace memory GPIOs Additional system resources Internal 5.0% 6 or12 MHz main oscillator Internal low-speed oscillator at 32 kHz Configurable communication speeds 2 Low external component count I C slave No external crystal or oscillator components SPI master and SPI slave Watchdog and sleep timers No external voltage regulator required Internal voltage reference Integrated supervisory circuit Logic Block Diagram Port 3 Port 2 Port 1 Port 0 3V LDO PSoC CORE System Bus Global Analog Interconnect SRAM SROM Flash 8K 512 Bytes CPU Core Sleep and Interrupt (M8C) Watchdog Controller 6/12 MHz Internal Main Oscillator Analog CapSense Ref. ANALOG Basic SYSTEM Block POR and LVD I2C Slave/SPI Analog Master-Slave Mux System Resets SYSTEM RESOURCES Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document Number: 001-41947 Rev. *O Revised December 8, 2017CY8C20224/CY8C20324 CY8C20424/CY8C20524 Contents PSoC Functional Overview ............................................3 AC Electrical Characteristics ..................................... 19 PSoC Core ..................................................................3 Ordering Information ...................................................... 26 CapSense Analog System ..........................................3 Ordering Code Definitions ......................................... 26 Additional System Resources .....................................4 Packaging Dimensions .................................................. 27 Getting Started ..................................................................4 Thermal Impedances ................................................. 30 Application Notes ........................................................4 Solder Reflow Specifications ..................................... 30 Development Kits ........................................................4 Development Tool Selection ......................................... 31 Training .......................................................................4 Software ....................................................................31 CYPros Consultants ....................................................4 Development Kits ...................................................... 31 Solutions Library ..........................................................4 Evaluation Tools ........................................................ 31 Technical Support .......................................................4 Device Programmers ................................................. 32 Development Tools ..........................................................5 Accessories (Emulation and Programming) .............. 32 PSoC Designer Software Subsystems ........................5 Acronyms ........................................................................33 Designing with PSoC Designer .......................................6 Acronyms Used ......................................................... 33 Select User Modules ...................................................6 Reference Documents .................................................... 33 Configure User Modules ..............................................6 Document Conventions ................................................. 34 Organize and Connect ................................................6 Units of Measure ....................................................... 34 Generate, Verify, and Debug .......................................6 Numeric Conventions ................................................ 34 Pinouts ..............................................................................7 Glossary ..........................................................................34 16-pin Part Pinout ........................................................7 Document History Page ................................................. 39 24-pin Part Pinout ........................................................8 Sales, Solutions, and Legal Information ...................... 41 28-pin Part Pinout ........................................................9 Worldwide Sales and Design Support ....................... 41 32-pin Part Pinout ......................................................10 Products ....................................................................41 48-pin OCD Part Pinout .............................................12 PSoC Solutions ...................................................... 41 Electrical Specifications ................................................14 Cypress Developer Community ................................. 41 Absolute Maximum Ratings .......................................14 Technical Support ..................................................... 41 Operating Temperature .............................................14 DC Electrical Characteristics .....................................15 Document Number: 001-41947 Rev. *O Page 2 of 41