Please note that Cypress is an Infineon Technologies Company. The document following this cover page is marked as Cypress document as this is the company that originally developed the product. Please note that Infineon will continue to offer the product to new and existing customers as part of the Infineon product portfolio. Continuity of document content The fact that Infineon offers the following product as part of the Infineon product portfolio does not lead to any changes to this document. Future revisions will occur when appropriate, and any changes will be set out on the document history page. Continuity of ordering part numbers Infineon continues to support existing part numbers. Please continue to use the ordering part numbers listed in the datasheet for ordering. www.infineon.comCY8C28243/CY8C284xx CY8C285xx/CY8C286xx Programmable System-on-Chip CY8C28243/CY8C284xx/CY8C285xx/CY8C286xx, Programmable System-on-Chip 25 mA sink, 10 mA drive on all GPIOs Features Pull-up, pull-down, high Z, strong, or open-drain drive modes on all GPIOs Varied resource options within one PSoC (Programmable System-on-Chip) device group Analog input on all GPIOs 30 mA analog outputs on GPIOs Powerful Harvard-architecture processor Configurable interrupt on all GPIOs M8C processor speeds up to 24 MHz Additional system resources 8 8 Multiply, 32-bit accumulate 2 Low power at high speed Up to two hardware I C resources Each resource implements slave, master, or multi-master Operating voltage: 3.0 V to 5.25 V modes Operating voltages down to 1.5 V Using on-chip switched mode pump (SMP) Operation between 0 and 400 kHz Industrial temperature range: 40 C to +85 C Watchdog and Sleep timers User-configurable low voltage detection Advanced reconfigurable peripherals (PSoC Blocks) Flexible internal voltage references Up to 12 rail-to-rail analog PSoC blocks provide: Integrated supervisory circuit Up to 14-bit ADCs On-chip precision voltage reference Up to 9-bit DACs Complete development tools Programmable gain amplifiers TM Free development software (PSoC Designer ) Programmable filters and comparators Full featured in-circuit emulator, and programmer Multiple ADC configurations Full speed emulation Dedicated SAR ADC, up to 142 ksps with sample and hold Flexible and functional breakpoint structure Up to 4 synchronized or independent delta-sigma ADCs for 128 KB trace memory advanced applications Up to four limited type E analog blocks provide: Logic Block Diagram Dual channel capacitive sensing capability Comparators with programmable DAC reference Analog Port 5 Port 4 Port 3 Port 2 Port 1 Port 0 Drivers Up to 10-bit single-slope ADCs PSoC Up to 12 digital PSoC blocks provide: CORE 8- to 32-bit timers and counters, 8- and 16-bit pulse-width System Bus modulators (PWMs) Shift register, CRC, and PRS modules Global Digital Interconnect Up to 3 full-duplex UARTs Global Analog Interconnect Up to 6 half-duplex UARTs SRAM SROM Flash 16K 1K Multiple variable data length SPI masters or slaves CPU Core (M8C) Sleep and Connectable to all GPIOs Interrupt Watchdog Controller Complex peripherals by combining blocks Multiple Clock Sources Precision, programmable clocking (Includes IMO, ILO, PLL, and ECO) Internal 2.5% 24/48 MHz main oscillator Optional 32.768 kHz crystal for precise on-chip clocks DIGITAL SYSTEM ANALOG SYSTEM Optional external oscillator, up to 24 MHz Analog Internal low speed, low power oscillator for watchdog and Ref. Analog Digital sleep functionality Block Block Array Array Flexible on-chip memory Analog Input 16 KB flash program storage 50,000 erase/write cycles Muxing 1-KB SRAM data storage In-system serial programming (ISSP ) Partial flash updates Flexible protection modes 2 POR and LVD Internal Switch Digital 2 4 Type 2 2 I C EEPROM emulation in flash Voltage Mode Clocks MACs Decimators Blocks System Resets Ref. Pump Programmable pin configurations SYSTEM RESOURCES Errata: For information on silicon errata, see Errata on page 82. Details include trigger conditions, devices affected, and proposed workaround. Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document Number: 001-48111 Rev. *Q Revised December 23, 2020