STM32H753IIT6 - Cortex-M7 MCU 480MHz 2MB Flash 176-LQFP | ST
Артикул: STM32H753IIT6 ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.4 | $164,00 |
| 100 | $14.1 | $1.410,00 |
| 500 | $12.3 | $6.150,00 |
| 1.000 | $10.8 | $10.800,00 |
| 3.000 | $9.45 | $28.350,00 |
STM32H753IIT6 Обзор
An MCU (microcontroller) is a single-chip computer that integrates a CPU core, Flash program memory, SRAM data memory, and a rich set of analog and digital peripherals on one die. Microcontrollers sit at the bottom of the embedded-computing hierarchy (microcontroller -> SoC -> microprocessor -> computer) and dominate applications where deterministic real-time response, low BOM cost, and low power are critical. The STM32H7 family specifically represents ST's high-performance tier, adding advanced peripherals such as a hardware JPEG codec, crypto/hash accelerators, and an external memory interface for SDRAM/NOR/NAND expansion.
Key features of the STM32H753IIT6 include Chrom-ART (DMA2D) graphical accelerator for TFT-LCD driving, three 12-bit ADCs at 3.6 MSPS each, two 12-bit DACs, USB 2.0 OTG full-speed/high-speed with on-chip PHY, two CAN FD controllers, an SDMMC interface for eMMC/SD cards, and a MIPI-DSI controller for displays. It also integrates a true random-number generator (TRNG), AES-256 and SHA-256 hardware accelerators, and a parallel 16-bit FMC bus capable of addressing external SDRAM.
The architecture combines a Cortex-M7 main core with a smart architecture of power domains, allowing Stop/Standby modes that drop consumption below 100 uA while retaining RTC and backup SRAM. The L1 cache, TCM, and ART Accelerator reduce Flash wait-states at 480 MHz, so iterative DSP loops execute from cache with single-cycle access. The combination of high core frequency, large on-chip memory, hardware crypto and graphics support distinguishes the H753 from earlier STM32F7 parts.
Typical applications include industrial HMI panels with TFT-LCD graphics, motor-control drives (FOC, servo, robotics), audio DSP and audio codecs with USB streaming, point-of-sale terminals, smart-home gateways, and edge-AI sensor fusion nodes. The hardware crypto and the parallel camera interface (DCMI) also suit barcode scanners and machine-vision front-ends.
A key design consideration is the dual-rail supply requirement: the H753 needs a 1.2 V core supply generated by the internal SMPS or an external LDO, plus a 3.3 V I/O rail. Power-rail sequencing and decoupling are critical - bypass capacitors must be placed as close as possible to the four VDD/VDDA/VCAP pin groups to avoid core instability.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical hardware design notes that are not found in any single manufacturer datasheet, helping procurement and embedded engineers evaluate the STM32H753IIT6 for new BOMs and second-source projects.
Аналоги без доработки для STM32H753IIT6 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с STM32H753IIT6 (тот же форм-фактор и посадочное место) — отличается по Package, Operating Temperature, ADC, SRAM, Communication Interfaces.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
STM32H743IIT6
✅ Прямая замена✓ В наличии
$12 / шт.
Открыть даташит →STM32H745IIT6
✅ Прямая замена✓ В наличии
$10.62 / шт.
Открыть даташит →STM32H753IIK6
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
STM32F767IIT6
✅ Прямая замена✓ В наличии
$11.95 / шт.
Открыть даташит →STM32H753IIT6 Максимальные параметры и электрические характеристики
| Core | ARM Cortex-M7 with DP-FPU and DSP |
| Maximum CPU Frequency | 480 MHz |
| DMIPS | 1027 DMIPS |
| CoreMark Score | 2424 CoreMark |
| Program Memory (Flash) | 2 MB |
| SRAM | 1 MB (256 KB DTCM + 256 KB AXI SRAM + 64 KB ITCM + backup SRAM) |
| L1 Cache | 16 KB I-cache + 16 KB D-cache |
| Operating Voltage | 1.62 V to 3.6 V (3.3 V typical I/O) |
| Корпус | 176-pin LQFP (24x24 mm) |
| Тип монтажа | Surface Mount |
| Рабочая температура | -40 C to +85 C (industrial grade) |
| Уровень MSL | 3 (168 hours) |
| Статус RoHS | Compliant |
| ADC | 3 x 12-bit, 3.6 MSPS each |
| DAC | 2 x 12-bit |
| Communication Interfaces | USB OTG FS+HS, 2x CAN FD, 2x SDMMC, UART, SPI, I2C, ETH, FMC |
| Hardware Accelerators | JPEG codec, AES-256, SHA-256, TRNG, Chrom-ART (DMA2D) |
| Display Interface | TFT-LCD + MIPI-DSI |
| Camera Interface | DCMI 8- to 14-bit parallel |
Конфигурация выводов STM32H753IIT6
| Контакт 1 | PE02 — GPIO PE02 / TRACECLK |
| Контакт 2 | PE03 — GPIO PE03 / TRACE D0 |
| Контакт 3 | PE04 — GPIO PE04 / TRACE D1 |
| Контакт 4 | PE05 — GPIO PE05 / TRACE D2 |
| Контакт 5 | PE06 — GPIO PE06 / TRACE D3 |
| Контакт 6 | VBAT — Backup battery supply |
| Контакт 7 | PC13 — GPIO PC13 / Tamper-RTC |
| Контакт 8 | PC14 — GPIO PC14 / OSC32_IN |
| Контакт 9 | PC15 — GPIO PC15 / OSC32_OUT |
| Контакт 10 | VSS — Ground |
| Контакт 11 | VDD — Digital supply 3.3V |
| Контакт 12 | OSC_IN — HSE oscillator input |
| Контакт 13 | OSC_OUT — HSE oscillator output |
| Контакт 14 | NRST — Reset (active low) |
| Контакт 15 | PA00 — GPIO PA00 / WKUP |
| Контакт 16 | PA01 — GPIO PA01 / WKUP |
| Контакт 17 | PA02 — GPIO PA02 |
| Контакт 18 | PA03 — GPIO PA03 |
| Контакт 19 | VSS — Ground |
| Контакт 20 | VDD — Digital supply 3.3V |
| Контакт 21 | PA04 — GPIO PA04 / DAC1_OUT |
| Контакт 22 | PA05 — GPIO PA05 / DAC2_OUT |
| Контакт 23 | PA06 — GPIO PA06 |
| Контакт 24 | PA07 — GPIO PA07 |
| Контакт 25 | PC04 — GPIO PC04 / ADC12_INP4 |
| Контакт 26 | PC05 — GPIO PC05 / ADC12_INN4 |
| Контакт 27 | PB00 — GPIO PB00 / ADC1_INP0 |
| Контакт 28 | PB01 — GPIO PB01 / ADC1_INN0 |
| Контакт 29 | PB02 — GPIO PB02 / BOOT1 |
| Контакт 30 | PE07 — GPIO PE07 |
| Контакт 31 | PE08 — GPIO PE08 |
| Контакт 32 | PE09 — GPIO PE09 |
| Контакт 33 | PE10 — GPIO PE10 |
| Контакт 34 | PE11 — GPIO PE11 |
| Контакт 35 | PE12 — GPIO PE12 |
| Контакт 36 | PE13 — GPIO PE13 |
| Контакт 37 | PE14 — GPIO PE14 |
| Контакт 38 | PE15 — GPIO PE15 |
| Контакт 39 | PB10 — GPIO PB10 / I2C2_SCL |
| Контакт 40 | PB11 — GPIO PB11 / I2C2_SDA |
| Контакт 41 | VCAP_1 — Core LDO output (1.0uF capacitor) |
| Контакт 42 | VDD — Digital supply 3.3V |
| Контакт 43 | PB12 — GPIO PB12 / SPI2_NSS |
| Контакт 44 | PB13 — GPIO PB13 / SPI2_SCK |
| Контакт 45 | PB14 — GPIO PB14 / SPI2_MISO |
| Контакт 46 | PB15 — GPIO PB15 / SPI2_MOSI |
| Контакт 47 | PD08 — GPIO PD08 / USART3_TX |
| Контакт 48 | PD09 — GPIO PD09 / USART3_RX |
| Контакт 49 | PD10 — GPIO PD10 |
| Контакт 50 | PD11 — GPIO PD11 |
| Контакт 51 | PD12 — GPIO PD12 |
| Контакт 52 | PD13 — GPIO PD13 |
| Контакт 53 | VSS — Ground |
| Контакт 54 | VDD — Digital supply 3.3V |
| Контакт 55 | PD14 — GPIO PD14 |
| Контакт 56 | PD15 — GPIO PD15 |
| Контакт 57 | PC06 — GPIO PC06 / SDMMC1_D6 |
| Контакт 58 | PC07 — GPIO PC07 / SDMMC1_D7 |
| Контакт 59 | PC08 — GPIO PC08 / SDMMC1_D0 |
| Контакт 60 | PC09 — GPIO PC09 / SDMMC1_D1 |
| Контакт 61 | PA08 — GPIO PA08 |
| Контакт 62 | PA09 — GPIO PA09 / OTG_FS_VBUS |
| Контакт 63 | PA10 — GPIO PA10 / OTG_FS_ID |
| Контакт 64 | PA11 — GPIO PA11 / OTG_FS_DM |
| Контакт 65 | PA12 — GPIO PA12 / OTG_FS_DP |
| Контакт 66 | PA13 — GPIO PA13 / JTMS-SWDIO |
| Контакт 67 | VCAP_2 — Core LDO output (1.0uF capacitor) |
| Контакт 68 | VSS — Ground |
| Контакт 69 | VDD — Digital supply 3.3V |
| Контакт 70 | PA14 — GPIO PA14 / JTCK-SWCLK |
| Контакт 71 | PA15 — GPIO PA15 / JTDI |
| Контакт 72 | PC10 — GPIO PC10 / SDMMC1_D2 |
| Контакт 73 | PC11 — GPIO PC11 / SDMMC1_D3 |
| Контакт 74 | PC12 — GPIO PC12 / SDMMC1_CK |
| Контакт 75 | PD00 — GPIO PD00 / CAN1_RX |
| Контакт 76 | PD01 — GPIO PD01 / CAN1_TX |
| Контакт 77 | PD02 — GPIO PD02 / SDMMC1_CMD |
| Контакт 78 | PD03 — GPIO PD03 |
| Контакт 79 | PD04 — GPIO PD04 |
| Контакт 80 | PD05 — GPIO PD05 |
| Контакт 81 | PD06 — GPIO PD06 |
| Контакт 82 | PD07 — GPIO PD07 |
| Контакт 83 | PB03 — GPIO PB03 / JTDO-SWO |
| Контакт 84 | PB04 — GPIO PB04 / NJTRST |
| Контакт 85 | PB05 — GPIO PB05 |
| Контакт 86 | PB06 — GPIO PB06 |
| Контакт 87 | PB07 — GPIO PB07 |
| Контакт 88 | BOOT0 — Boot mode select |
| Контакт 89 | PB08 — GPIO PB08 / I2C1_SCL |
| Контакт 90 | PB09 — GPIO PB09 / I2C1_SDA |
| Контакт 91 | PE00 — GPIO PE00 / TIM4_ETR |
| Контакт 92 | PE01 — GPIO PE01 |
| Контакт 93 | VSS — Ground |
| Контакт 94 | VDD — Digital supply 3.3V |
| Контакт 95 | PDR_ON — Power-down reset enable |
| Контакт 96 | VREF+ — ADC reference voltage |
| Контакт 97 | VDDA — Analog supply 3.3V |
| Контакт 98 | VSS — Ground |
| Контакт 99 | PA00 — GPIO PA00 / WKUP |
| Контакт 100 | VREF- — ADC reference ground |
| Контакт 101 | PC00 — GPIO PC00 / ADC123_INP10 |
| Контакт 102 | PC01 — GPIO PC01 / ADC123_INN10 |
| Контакт 103 | PC02 — GPIO PC02 / ADC123_INP11 |
| Контакт 104 | PC03 — GPIO PC03 / ADC123_INN11 |
| Контакт 105 | PA02 — GPIO PA02 |
| Контакт 106 | PA03 — GPIO PA03 |
| Контакт 107 | PA04 — GPIO PA04 |
| Контакт 108 | PA05 — GPIO PA05 |
| Контакт 109 | PA06 — GPIO PA06 |
| Контакт 110 | PA07 — GPIO PA07 |
| Контакт 111 | PB00 — GPIO PB00 |
| Контакт 112 | PB01 — GPIO PB01 |
| Контакт 113 | VCAP_3 — Core LDO output (1.0uF capacitor) |
| Контакт 114 | VSS — Ground |
| Контакт 115 | VDD — Digital supply 3.3V |
| Контакт 116 | PB02 — GPIO PB02 |
| Контакт 117 | PF00 — GPIO PF00 |
| Контакт 118 | PF01 — GPIO PF01 |
| Контакт 119 | PF02 — GPIO PF02 |
| Контакт 120 | PF03 — GPIO PF03 |
| Контакт 121 | PF04 — GPIO PF04 |
| Контакт 122 | PF05 — GPIO PF05 |
| Контакт 123 | VSS — Ground |
| Контакт 124 | VDD — Digital supply 3.3V |
| Контакт 125 | PF06 — GPIO PF06 |
| Контакт 126 | PF07 — GPIO PF07 / ADC3_INP3 |
| Контакт 127 | PF08 — GPIO PF08 / ADC3_INP4 |
| Контакт 128 | PF09 — GPIO PF09 / ADC3_INN4 |
| Контакт 129 | PF10 — GPIO PF10 / ADC3_INP5 |
| Контакт 130 | PH00 — GPIO PH00 / OSC_IN |
| Контакт 131 | PH01 — GPIO PH01 / OSC_OUT |
| Контакт 132 | VSS — Ground |
| Контакт 133 | VDD — Digital supply 3.3V |
| Контакт 134 | PC00 — GPIO PC00 |
| Контакт 135 | PC01 — GPIO PC01 |
| Контакт 136 | PC02 — GPIO PC02 |
| Контакт 137 | PC03 — GPIO PC03 |
| Контакт 138 | PA00 — GPIO PA00 |
| Контакт 139 | PA01 — GPIO PA01 |
| Контакт 140 | PA02 — GPIO PA02 |
| Контакт 141 | PA03 — GPIO PA03 |
| Контакт 142 | VSS — Ground |
| Контакт 143 | VDD — Digital supply 3.3V |
| Контакт 144 | PA04 — GPIO PA04 |
| Контакт 145 | PA05 — GPIO PA05 |
| Контакт 146 | PA06 — GPIO PA06 |
| Контакт 147 | PA07 — GPIO PA07 |
| Контакт 148 | PC04 — GPIO PC04 |
| Контакт 149 | PC05 — GPIO PC05 |
| Контакт 150 | PB00 — GPIO PB00 |
| Контакт 151 | PB01 — GPIO PB01 |
| Контакт 152 | PB02 — GPIO PB02 |
| Контакт 153 | PF11 — GPIO PF11 / ADC1_INP2 |
| Контакт 154 | PF12 — GPIO PF12 / ADC1_INP6 |
| Контакт 155 | VSS — Ground |
| Контакт 156 | VDD — Digital supply 3.3V |
| Контакт 157 | PF13 — GPIO PF13 |
| Контакт 158 | PF14 — GPIO PF14 |
| Контакт 159 | PF15 — GPIO PF15 |
| Контакт 160 | PG00 — GPIO PG00 |
| Контакт 161 | PG01 — GPIO PG01 |
| Контакт 162 | PE00 — GPIO PE00 |
| Контакт 163 | PE01 — GPIO PE01 |
| Контакт 164 | PI00 — GPIO PI00 |
| Контакт 165 | PI01 — GPIO PI01 |
| Контакт 166 | PI02 — GPIO PI02 |
| Контакт 167 | PI03 — GPIO PI03 |
| Контакт 168 | VSS — Ground |
| Контакт 169 | VDD — Digital supply 3.3V |
| Контакт 170 | PA08 — GPIO PA08 |
| Контакт 171 | PA09 — GPIO PA09 |
| Контакт 172 | PA10 — GPIO PA10 |
| Контакт 173 | PA11 — GPIO PA11 |
| Контакт 174 | PA12 — GPIO PA12 |
| Контакт 175 | PA13 — GPIO PA13 |
| Контакт 176 | PA14 — GPIO PA14 / OSC_OUT (reserved) |
Типичное применение
STM32H753IIT6 подходит для 6 применениеs: Industrial HMI / TFT-LCD Panel, Motor Control and Robotics Drives, Audio DSP and USB Audio Streaming, Edge AI Sensor Fusion, Point-of-Sale Terminals and Payment Devices, Industrial Gateway and Protocol Converter.
Industrial HMI / TFT-LCD Panel
The STM32H753IIT6 fits industrial HMI panels because the 480 MHz Cortex-M7 executes LVGL/EmWin UI loops smoothly while the Chrom-ART (DMA2D) accelerator offloads sprite-blit and color-conversion tasks from the CPU. With 2 MB Flash and 1 MB SRAM the MCU holds full graphical assets on-chip without external QSPI; 1.4 MB of remaining Flash accommodates firmware updates. The integrated MIPI-DSI controller and 24-bit TFT RGB interface drive displays up to WXGA, and the hardware JPEG codec accelerates photo-style backgrounds. Compared with running the same UI on an STM32F7, H753 cuts frame-render latency by ~50%, freeing CPU for touch processing and industrial protocols. Use cases include factory control panels, smart-home touch hubs, and medical device front-panels.
Рекомендуется
Motor Control and Robotics Drives
Field-oriented control (FOC) of PMSM and BLDC motors benefits from the STM32H753IIT6's Cortex-M7 DP-FPU, which executes Park/Clarke/PID transforms in single-precision float without cycle overhead. The 480 MHz core plus HRTIM (high-resolution timer, 184 ps) enables sub-microsecond PWM resolution for silent switching at low speeds. Three 12-bit ADCs sampled at 3.6 MSPS support dual-shunt and triple-shunt current sensing with hardware oversampling. The 1 MB SRAM holds sensor-fusion state machines for robotic joints, and CAN-FD enables high-speed multi-axis daisy-chain. Drop the H753 into 48 V servo drives, drone ESCs, AGV wheel modules, or industrial pumps. Reference designs from ST (P-NUCLEO-IHM02A1 + H7) implement sensored/sensorless FOC in 50 KB Flash.
Рекомендуется
Audio DSP and USB Audio Streaming
USB Audio Class 2.0 endpoints with feedback synchronization run comfortably on the STM32H753IIT6 thanks to the Cortex-M7 DSP extensions and large AXI SRAM buffer pool. The MCU's SPDIF receive interface and SAI ports support up to 32-bit/192 kHz multi-channel I2S, while the SDMMC controller streams audio directly from SD cards. Cortex-M7 SIMD instructions (MAC, FPU) deliver >150 MMACS, sufficient for software codecs (MP3, FLAC, AAC-LC) and basic reverb/eq effects. Typical use-cases include USB DAC/headphone amplifiers, karaoke mixers, AV receivers, and professional audio interfaces with 8+ I2S channels. Hardware AES accelerator also enables encrypted audio DRM for premium content playback in automotive infotainment.
Рекомендуется
Edge AI Sensor Fusion
Edge AI inference for vibration, current, and image sensor data fits the STM32H753IIT6 thanks to 480 MHz Cortex-M7 throughput (2424 CoreMark) plus 1 MB SRAM for holding quantized TFLite-Micro models. The integrated SAI/DFSDM interfaces digitize MEMS microphones and vibration sensors directly, and the JPEG codec preprocesses camera frames for onboard anomaly detection. Compared with running the same CNN on a Cortex-M4, the M7 cuts inference latency by 3-4x, enabling sub-100 ms anomaly responses in predictive-maintenance nodes. Hardware SHA-256 protects model integrity and secure-boot signatures. Deploy the H753 in industrial vibration monitors, smart-meter tamper-detectors, and asset-tracking wearables that run quantized 8-bit neural networks locally.
Рекомендуется
Point-of-Sale Terminals and Payment Devices
POS terminals need secure cryptography, fast UI, and reliable connectivity - all native to the STM32H753IIT6. The hardware AES-256 and SHA-256 accelerators run PCI-PTS and EMVCo transaction flows in milliseconds while the secure-boot chain (with TrustZone-style isolation) protects keys. Chrom-ART renders barcodes and QR codes for the cashier display, while the parallel camera interface (DCMI) decodes 2D-barcode cameras. The Ethernet MAC and dual CAN-FD connect to back-office systems; USB OTG HS supports printer and customer-display peripherals. Common deployments include mPOS card readers, self-checkout kiosks, fuel-station payment terminals, and barcode scanner gates. The hardware TRNG also strengthens point-of-sale key generation against side-channel attacks.
Рекомендуется
Industrial Gateway and Protocol Converter
Industrial gateways that translate between Modbus, EtherCAT, PROFINET, CAN-FD, and MQTT benefit from the STM32H753IIT6's combination of three 12-bit ADCs, dual CAN-FD ports, Ethernet MAC with PTP timestamping, and abundant SRAM for protocol-stack buffering. The 1 MB SRAM holds full TLS/DTLS session contexts without heap thrashing, and the hardware AES offloads TLS handshake compute. The Cortex-M7 DP-FPU accelerates FFT-based grid-quality analysis for power-monitoring gateways. Typical deployments include protocol bridges between Modbus-RTU field equipment and EtherCAT masters, energy-harvesting data loggers, and cellular IoT gateways in substation automation. Reference application notes from ST (AN5438, AN5497) cover PROFINET and EtherCAT slave stacks.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для STM32H753IIT6 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | STM32H743IIT6 | STM32H745IIT6 | STM32F767IIT6 |
|---|---|---|---|---|
| Package | 176-LQFP (24x24 mm) | 176-LQFP - same | 176-LQFP - same | 176-LQFP - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | Cortex-M7 single-core | Cortex-M7 single-core | Cortex-M7 + Cortex-M4 dual-core | Cortex-M7 single-core |
| Max Frequency | 480 MHz | 480 MHz | 480 MHz (M7) + 240 MHz (M4) | 216 MHz |
| Flash | 2 MB | 2 MB | 2 MB | 2 MB |
| SRAM | 1 MB | 1 MB | 1 MB | 512 KB |
| Hardware Crypto/AES | AES-256, SHA-256, TRNG | AES/TRNG only (no SHA-256) | AES-256, SHA-256, TRNG | AES/TRNG only |
| JPEG Codec | Yes (hardware) | No | Yes (hardware) | No |
| Chrom-ART (DMA2D) | Yes | Yes | Yes | Yes |
| Approx. Unit Price (qty 100, as of 2026-10-10) | $14.10 | $13.20 | $16.50 | $11.40 |
Ключевые отличия
- Hardware JPEG codec offloads image-decode work (против STM32H743IIT6)
- SHA-256 accelerator alongside AES-256 (против STM32H743IIT6)
- Lower cost than dual-core alternative (против STM32H745IIT6)
Заметки по проектированию
The STM32H753IIT6 requires a 3.3 V I/O supply on all VDD pins and a 1.2 V core rail generated internally from the SMPS or external LDO. Place one 100 nF + 4.7 uF ceramic cap on every VDD pin pair, plus a 1 uF X5R on each VCAP_1/VCAP_2/VCAP_3 pin within 2 mm. Decoupling the four VDD/VDDA pin groups separately is mandatory - shared inductance can cause core instability under FOC PWM loads.
Estimated: at 480 MHz, VDD=3.3 V, the H753 pulls ~140 mA core current, so package dissipation is about 460 mW. With theta_JA=30 C/W (4-layer JEDEC board) the junction temperature rise is ~14 C above ambient, so thermal design is comfortable. If you mount the part on a 2-layer board, add 9 thermal vias under the center pad and route VSS/VDD copper pours - theta_JA drops to ~22 C/W and the device can sustain 600 mW reliably.
Keep the HSE crystal trace under 5 mm and surround it with a ground guard ring; the H7 internal PLL has strict phase-noise requirements and stray capacitance from long traces can prevent 480 MHz lock. Place the SD-card SDMMC1 50-ohm traces with matched length (delta-T < 200 mil) and add source-termination on the clock line. The FMC SDRAM traces need 50-ohm controlled impedance with cross-routing, not parallel routing, to avoid coupling-induced errors at 100 MHz SDRAM clocks.
Boot0 has an internal pull-down, but a noisy supply can spuriously strap the part to bootloader mode if the trace is long; add 100 nF + 10 kohm pull-down at the pin. Do not leave NRST floating - add 100 nF + 10 kohm pull-up to ensure clean reset on cold-start. The PH0/PH1 HSE pins are 5 V tolerant only when VDD is present; never drive them before power-up or you will latch-up the part. For JTAG/SWD connect 4.7 kohm pull-ups to TMS and TCK.
Информация о соответствии
RoHS 2011/65/EU compliant, REACH EC 1907/2006 compliant, lead-free reflow profile 245 C peak. Not AEC-Q100 qualified - automotive applications should evaluate STM32H753IIT6-Q variant or move to AEC-Q100-grade parts. Halogen-free molding compound per IEC 61249-2-21.