The CY8C27443-24SXI is a PSoC 1 (Programmable System-on-Chip) from Infineon Technologies (formerly Cypress Semiconductor) featuring an M8C 8-bit core at 24MHz, 16KB Flash, 256 bytes SRAM, and a unique array of configurable digital and analog blocks. It provides 8 digital PSoC modules and 12 analog PSoC modules in a 28-pin SOIC package, enabling highly integrated mixed-signal designs.<\/p>\n
Product Overview The CY8C27443-24SXI is a PSoC 1 (Programmable System-on-Chip) from Infineon Technologies (formerly Cypress Semiconductor) featuring an M8C 8-bit core at 24MHz, 16KB Flash, 256 bytes SRAM, and a unique array of configurable digital and analog blocks. It provides 8 digital PSoC modules and 12 analog PSoC modules in a 28-pin SOIC package, enabling […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[173],"class_list":["post-6480","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-infineon"],"acf":{"brief_explanation":"8-bit PSoC 1 programmable SoC, 24MHz, 16KB Flash, 8 digital + 12 analog blocks, 14-bit ADC, SOIC-28","date_code":"","package_case":"SOIC-28","in_stock":7130,"datasheet":"https:\/\/www.infineon.com\/dgdl\/Infineon-CY8C27443-24SXI_Datasheet.pdf","price":"$4.50","product_introduction":"The CY8C27443-24SXI is a Programmable System-on-Chip (PSoC) from Infineon Technologies that redefines the traditional MCU paradigm by providing configurable analog and digital blocks alongside the M8C 8-bit processor core. With 8 digital PSoC modules and 12 analog PSoC modules, designers can create custom peripherals by routing and interconnecting these blocks using PSoC Designer IDE. The 14-bit ADC, 9-bit DAC, programmable gain amplifiers, and filters can all be configured without external components, significantly reducing BOM count and board space. The SXI suffix denotes SOIC-28 package with industrial temperature range.","working_principle":"The CY8C27443-24SXI operates on the PSoC architecture where the M8C 8-bit CPU core executes user code from Flash memory while the configurable digital and analog blocks operate semi-autonomously. The 8 digital blocks can each be configured as one of several digital peripherals (8\/16\/24\/32-bit timers, counters, UART, SPI, CRC, or pseudo-random sequence generators). The 12 analog blocks are organized in 4 columns of 3 blocks each, and can be configured as continuous-time blocks (PGAs, comparators) or switched-capacitor blocks (ADCs, DACs, programmable filters). Interconnections between blocks and I\/O pins are made through a programmable routing network, enabling signal chains that would otherwise require multiple discrete ICs. The CPU interacts with the configured blocks through registers and interrupts.","pin_description":"
| Pin<\/th> | Name<\/th> | Function<\/th><\/tr> | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1<\/td> | P1[0]<\/td> | Port 1, Bit 0 (Digital\/Analog I\/O)<\/td><\/tr> | ||||||||||||
| 2<\/td> | P1[1]<\/td> | Port 1, Bit 1 (Digital\/Analog I\/O)<\/td><\/tr> | ||||||||||||
| 3<\/td> | P1[2]<\/td> | Port 1, Bit 2 (Digital\/Analog I\/O)<\/td><\/tr> | ||||||||||||
| 4<\/td> | P1[3]<\/td> | Port 1, Bit 3 (Digital\/Analog I\/O)<\/td><\/tr> | ||||||||||||
| 5<\/td> | P1[4]<\/td> | Port 1, Bit 4 (Digital\/Analog I\/O)<\/td><\/tr> | ||||||||||||
| 6<\/td> | P1[5]<\/td> | Port 1, Bit 5 (Digital\/Analog I\/O)<\/td><\/tr> | ||||||||||||
| 7<\/td> | P1[6]<\/td> | Port 1, Bit 6 (Digital\/Analog I\/O)<\/td><\/tr> | ||||||||||||
| 8<\/td> | P1[7]<\/td> | Port 1, Bit 7 (Digital\/Analog I\/O)<\/td><\/tr> | ||||||||||||
| 9<\/td> | VSS<\/td> | Ground<\/td><\/tr> | ||||||||||||
| 10<\/td> | VDD<\/td> | Power Supply (3.0V ~ 5.25V)<\/td><\/tr><\/table>","application_scenarios":"The CY8C27443-24SXI excels in applications requiring custom mixed-signal functionality that would traditionally need multiple ICs. In industrial sensor interfaces, the configurable analog blocks can implement signal conditioning chains (PGA \u2192 filter \u2192 ADC) without external op-amps. For motor control, the digital blocks can generate PWM signals while the analog blocks handle current sensing and overcurrent protection. The PSoC approach is particularly valuable in home appliances where a single device can replace an MCU plus several analog ICs, reducing cost and board space. The ISSP capability enables firmware updates in the field.","alternative_models":"
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