{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY8C29666-24PVXIT","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY8C29666-24PVXIT","canonicalUrl":"https://icboms.com/infineon/CY8C29666-24PVXIT","factsUrl":"https://icboms.com/api/mcp/products/CY8C29666-24PVXIT","rawCanonicalId":null},"summary":{"shortDescription":"Infineon PSOC®1 CY8C29xxx series, CY8C29666-24PVXIT, 8-bit M8C MCU, 24MHz, 32KB Flash, 2K x 8 RAM, 44 I/O, I²C/SPI/UART/USART, 12x14b ADC + 4x9b DAC, 3V–5.25V, -40°C to 85°C, 48-SSOP.","salesMarkdown":"## What this 8-bit PSOC1 brings to a BOM line The Infineon CY8C29666-24PVXIT is an 8-bit PSOC1 MCU built around the M8C core clocked at 24 MHz, with 32 KB of Flash program memory and 2K x 8 of RAM. It carries 44 I/O lines, a 12-channel 14-bit ADC, and a 4-channel 9-bit DAC — mixed-signal resources that let it handle sensor conditioning and analog control loops without external converters. Communication interfaces include I²C, SPI, and UART/USART. The supply range spans 3 V to 5.25 V, and the operating temperature covers -40°C to 85°C, so it fits industrial enclosures, outdoor telecom pedestals, and factory-floor control modules. ## Mixed-signal integration — what it saves on the board The 12-channel 14-bit successive-approximation ADC and the four 9-bit DACs are the headline differentiators for an 8-bit MCU. In a temperature-monitoring or pressure-transducer application, the ADC can sample multiple analog inputs directly; the DACs can drive a setpoint or trim voltage without an external D/A converter. For dual-sourcing flexibility within the same PSOC1 family, the CY8C29566-24AXIT offers the same core, memory, and mixed-signal peripherals in a TQFP package — a drop-in functional match if the board layout accommodates the different footprint.","metaTitle":"Infineon CY8C29666-24PVXIT PSOC1 MCU, 8-Bit 24MHz","metaDescription":"Infineon CY8C29666-24PVXIT 8-bit PSOC1 MCU: M8C core at 24MHz, 32KB Flash, 2Kx8 RAM, 12x14b ADC, 4x9b DAC, I²C/SPI/UART, -40°C to 85°C. Active, ROHS3.","metaKeywords":null},"attributes":{"series":"PSOC®1 CY8C29xxx","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"24MHz","Series":"PSOC®1 CY8C29xxx","Package":"Tape & Reel (TR)","RAM Size":"2K x 8","Core Size":"8-Bit","Peripherals":"POR, PWM, WDT","Connectivity":"I²C, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"44","Core Processor":"M8C","Package / Case":"48-BSSOP (0.295\\\", 7.50mm Width)","Data Converters":"A/D 12x14b; D/A 4x9b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Program Memory Size":"32KB (32K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"48-SSOP","Voltage - Supply (Vcc/Vdd)":"3V ~ 5.25V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$9.99415","priceTiers":[{"qty":1000,"price":"$9.99415","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/41e27d09c10ee1914d734d8ae7d5fd22.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CY8C29666-24PVXIT/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source for CY8C29666-24PVXIT?","answer":"Within the same PSOC1 CY8C29xxx family, the CY8C29566-24AXIT shares the M8C core at 24 MHz, 32 KB Flash, 2K x 8 RAM, and the same 12x14b ADC / 4x9b DAC. The main difference is 40 I/O instead of 44 and a TQFP package instead of SSOP — functionally equivalent if the board footprint allows."},{"question":"What is CY8C29666-24PVXIT's listed speed?","answer":"The core runs at 24 MHz maximum. That is the M8C's rated clock frequency — adequate for control loops, sensor polling, and communication at typical baud rates."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY8C29666-24PVXIT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY8C29666-24PVXIT when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}