{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F429BET6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F429BET6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F429BET6","factsUrl":"https://icboms.com/api/mcp/products/STM32F429BET6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F429BET6, STM32F4 series, 32-bit ARM Cortex-M4 single-core MCU, 180MHz, 512KB Flash, 256K x 8 SRAM, 168 I/O, 208-LQFP, -40°C to 85°C.","salesMarkdown":"The 168 I/O lines and rich peripheral set — Ethernet, CANbus, USB OTG, plus an LCD controller — make it a single-chip candidate for industrial HMI panels, motor drives with fieldbus, and networked control nodes where the processor handles both the application and the display. ## 512 KB Flash and 256K x 8 SRAM — sizing the firmware and data budget The 512 KB Flash (512K x 8) sets the upper bound for the compiled image, bootloader, and any OTA staging partition. If your application already runs a GUI library and TCP/IP stack, measure the.text size against this ceiling early — the STM32F429BGT6 sibling doubles the Flash to 1 MB, but the BET6 keeps BOM cost lower when the firmware fits. The 256K x 8 SRAM supports moderate frame buffers (e.g., a 320x240 16-bit display needs 150 KB) plus stack and heap for multiple protocol stacks. For data-heavy logging or large lookup tables, the EBI/EMI interface lets you add external SRAM or SDRAM without a glue-logic FPGA. ## Connectivity and peripherals — Ethernet, CAN, USB OTG, and LCD on one die For a motor-drive control board, that means one chip handles the field-oriented control loop (Cortex-M4 DSP instructions), encoder feedback via SPI or timer capture, CANopen communication to the PLC, and a local HMI over the LCD controller — no separate display controller or fieldbus ASIC. The brown-out detect and POR on the reset generator keep the system from running on a drooping rail. ## Industrial temperature range and 208-LQFP package The 208-LQFP (28x28 mm body) is a hand-solderable, inspectable package with 0.5 mm pitch — rework techs can replace it with hot air and a stencil, unlike a BGA. ST lists the STM32F429BET6 as Active. The STM32F4 series remains a mainstream portfolio for ST, so PCNs are typically package or wafer-fab related rather than discontinuation. For production programs that need a multi-year supply window, this part carries no imminent obsolescence risk.","metaTitle":"STM32F429BET6 STM32F4 MCU, 180MHz Cortex-M4, 512KB Flash","metaDescription":"STMicroelectronics STM32F429BET6 32-bit ARM Cortex-M4 MCU at 180MHz with 512KB Flash, 256Kx8 SRAM, Ethernet, CAN, USB OTG. Industrial temp range -40°C to 85°C.","metaKeywords":null},"attributes":{"series":"STM32F4","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"180MHz","Series":"STM32F4","Package":"Tray","RAM Size":"256K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT","Connectivity":"CANbus, EBI/EMI, Ethernet, I²C, IrDA, LINbus, SPI, UART/USART, USB OTG","Mounting Type":"Surface Mount","Number of I/O":"168","Core Processor":"ARM® Cortex®-M4","Package / Case":"208-LQFP","Product Status":"Active","Data Converters":"A/D 24x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32F429","Program Memory Size":"512KB (512K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"208-LQFP (28x28)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$16.3000","priceTiers":[{"qty":1,"price":"$16.30000","currency":"USD"},{"qty":10,"price":"$14.97700","currency":"USD"},{"qty":25,"price":"$14.35640","currency":"USD"},{"qty":80,"price":"$12.64913","currency":"USD"},{"qty":360,"price":"$12.02836","currency":"USD"},{"qty":720,"price":"$11.25233","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/fa3522ede21a921b5dbbcb78f05a0a95.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F429BET6/alternatives.json"},"ai":{"faq":[{"question":"How much Flash memory does STM32F429BET6 have?","answer":"This is the on-chip non-volatile storage for firmware, bootloader, and any OTA staging partition."},{"question":"What is the maximum speed of STM32F429BET6?","answer":"The core processor runs at 180 MHz. This is the maximum clock speed for the ARM Cortex-M4 core, with the flash wait states configured accordingly in the clock tree."},{"question":"What is the difference between STM32F429BET6 and STM32F429BGT6?","answer":"The primary difference is Flash memory density: the BET6 has 512 KB, while the BGT6 doubles that to 1 MB. Both share the same 208-LQFP package, 180 MHz core, 256K x 8 SRAM, and peripheral set. The BGT6 is the drop-in upgrade when the firmware image exceeds 512 KB."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F429BET6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F429BET6 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}}