CY8C21123/CY8C21223/CY8C21323 PSoC Programmable System-on-Chip Features Powerful Harvard-architecture processor: Additional system resources: 2 M8C processor speeds up to 24 MHz I C master, slave and multi-master to 400 kHz Low power at high speed Watchdog and sleep timers Operating voltage: 2.4 V to 5.25 V User-configurable low-voltage detection (LVD) Operating voltages down to 1.0 V using on-chip switch mode Integrated supervisory circuit pump (SMP) On-chip precision voltage reference Industrial temperature range: 40 C to +85 C Advanced peripherals (PSoC blocks): Four analog type E PSoC blocks provide: Logic Block Diagram Two comparators with digital to analog converter (DAC) references Port 1 Port 0 Single or dual 10-Bit 8-to-1 analog to digital converter PSoC (ADC) CORE Four digital PSoC blocks provide: 8- to 32-bit timers and counters, 8- and 16-bit pulse-width SystemBu s modulators (PWMs) CRC and PRS modules Full duplex UART, SPI master or slave: Connectable to all Global Digital Interconnect Global Analog Interconnect general-purpose I/O (GPIO) pins Complex peripherals by combining blocks SROM Flash SRAM Flexible on-chip memory: CPU Core Sleep and Interrupt (M8C) Watchdog 4 KB flash program storage 50,000 erase/write cycles Controller 256 bytes SRAM data storage Clock Sources In-system serial programming (ISSP) (Includes IMO and ILO) Partial flash updates Flexible protection modes EEPROM emulation in flash DIGITAL SYSTEM ANALOG SYSTEM Analog Complete development tools: Ref. Digital Analog Free development software (PSoC Designer) PSoC Block PSoC Block Full-featured, in-circuit emulator (ICE) and programmer Array Array Full-speed emulation Complex breakpoint structure 128-KB trace memory Precision, programmable clocking: Internal 5% 24- / 48-MHz main oscillator Internal low-speed, low-power oscillator for watchdog and Sw itch POR and LVD Internal Digital Mode sleep functionality I2C Voltage Clocks System Resets Pump Ref. Programmable pin configurations: SYSTEM RESOURCES 25-mA sink, 10-mA source on all GPIOs Pull-up, pull-down, high Z, strong, or open-drain drive modes on all GPIOs Up to eight analog inputs on all GPIOs Configurable interrupt on all GPIOs Errata: When the device is operated within 0 C to 70 C, the frequency tolerance is reduced to 2.5%, but if operated at extreme temperature (below 0 C or above 70 C), frequency tolerance deviates from 2.5% to 5%. For information on silicon errata, see Errata on page 43. Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document Number: 38-12022 Rev. AC Revised November 22, 2017CY8C21123/CY8C21223/CY8C21323 Contents PSoC Functional Overview ..............................................3 Absolute Maximum Ratings .......................................16 PSoC Core ..................................................................3 Operating Temperature ............................................ 17 Digital System .............................................................3 DC Electrical Characteristics ..................................... 17 Analog System ............................................................4 AC Electrical Characteristics ..................................... 23 Additional System Resources .....................................4 Packaging Information ................................................... 31 PSoC Device Characteristics ......................................5 Packaging Dimensions .............................................. 31 Getting Started ..................................................................5 Thermal Impedances ................................................ 35 Application Notes ........................................................5 Solder Reflow Specifications ..................................... 35 Development Kits ........................................................5 Ordering Information ...................................................... 36 Training .......................................................................5 Ordering Code Definitions ........................................ 36 CYPros Consultants ....................................................5 Acronyms ........................................................................ 37 Solutions Library ..........................................................5 Acronyms Used ......................................................... 37 Technical Support .......................................................5 Reference Documents .................................................... 37 Development Tool Selection ...........................................6 Document Conventions ................................................. 38 Software ......................................................................6 Units of Measure ....................................................... 38 Designing with PSoC Designer .......................................7 Numeric Conventions ................................................ 38 Select Components .....................................................7 Glossary .......................................................................... 38 Configure Components ...............................................7 Errata ............................................................................... 43 Organize and Connect ................................................7 Part Numbers Affected .............................................. 43 Generate, Verify, and Debug .......................................7 CY8C21123 Qualification Status ............................... 43 Pin Information .................................................................8 CY8C21123 Errata Summary .................................... 43 8-Pin Part Pinout .........................................................8 Document History Page ................................................. 44 16-Pin Part Pinout .......................................................8 Sales, Solutions, and Legal Information ...................... 47 20-Pin Part Pinout .....................................................10 Worldwide Sales and Design Support ....................... 47 24-Pin Part Pinout .....................................................11 Products .................................................................... 47 Register Reference .........................................................12 PSoC Solutions ....................................................... 47 Register Conventions ................................................12 Cypress Developer Community ................................. 47 Register Mapping Tables ..........................................12 Technical Support ..................................................... 47 Electrical Specifications ................................................16 Document Number: 38-12022 Rev. 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