STM32H753IIT6 - Cortex-M7 MCU 480MHz 2MB Flash 176-LQFP | ST
MPN: STM32H753IIT6 ✓ نشطSTM32H753IIT6 نظرة عامة
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.
بدائل مباشرة لـ STM32H753IIT6 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع STM32H753IIT6 (نفس عامل الشكل والبصمة) — يختلف في Package, Operating Temperature, ADC, SRAM, Communication Interfaces.
STM32H743IIT6
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32H745IIT6
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32H753IIK6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32F767IIT6
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32H753IIT6 الحدود القصوى والخصائص الكهربائية
| 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) |
| العلبة | 176-pin LQFP (24x24 mm) |
| نوع التركيب | Surface Mount |
| درجة حرارة التشغيل | -40 C to +85 C (industrial grade) |
| مستوى MSL | 3 (168 hours) |
| حالة 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 |
تكوين أطراف STM32H753IIT6
| دبوس 1 | PE02 — GPIO PE02 / TRACECLK |
| دبوس 2 | PE03 — GPIO PE03 / TRACE D0 |
| دبوس 3 | PE04 — GPIO PE04 / TRACE D1 |
| دبوس 4 | PE05 — GPIO PE05 / TRACE D2 |
| دبوس 5 | PE06 — GPIO PE06 / TRACE D3 |
| دبوس 6 | VBAT — Backup battery supply |
| دبوس 7 | PC13 — GPIO PC13 / Tamper-RTC |
| دبوس 8 | PC14 — GPIO PC14 / OSC32_IN |
| دبوس 9 | PC15 — GPIO PC15 / OSC32_OUT |
| دبوس 10 | VSS — Ground |
| دبوس 11 | VDD — Digital supply 3.3V |
| دبوس 12 | OSC_IN — HSE oscillator input |
| دبوس 13 | OSC_OUT — HSE oscillator output |
| دبوس 14 | NRST — Reset (active low) |
| دبوس 15 | PA00 — GPIO PA00 / WKUP |
| دبوس 16 | PA01 — GPIO PA01 / WKUP |
| دبوس 17 | PA02 — GPIO PA02 |
| دبوس 18 | PA03 — GPIO PA03 |
| دبوس 19 | VSS — Ground |
| دبوس 20 | VDD — Digital supply 3.3V |
| دبوس 21 | PA04 — GPIO PA04 / DAC1_OUT |
| دبوس 22 | PA05 — GPIO PA05 / DAC2_OUT |
| دبوس 23 | PA06 — GPIO PA06 |
| دبوس 24 | PA07 — GPIO PA07 |
| دبوس 25 | PC04 — GPIO PC04 / ADC12_INP4 |
| دبوس 26 | PC05 — GPIO PC05 / ADC12_INN4 |
| دبوس 27 | PB00 — GPIO PB00 / ADC1_INP0 |
| دبوس 28 | PB01 — GPIO PB01 / ADC1_INN0 |
| دبوس 29 | PB02 — GPIO PB02 / BOOT1 |
| دبوس 30 | PE07 — GPIO PE07 |
| دبوس 31 | PE08 — GPIO PE08 |
| دبوس 32 | PE09 — GPIO PE09 |
| دبوس 33 | PE10 — GPIO PE10 |
| دبوس 34 | PE11 — GPIO PE11 |
| دبوس 35 | PE12 — GPIO PE12 |
| دبوس 36 | PE13 — GPIO PE13 |
| دبوس 37 | PE14 — GPIO PE14 |
| دبوس 38 | PE15 — GPIO PE15 |
| دبوس 39 | PB10 — GPIO PB10 / I2C2_SCL |
| دبوس 40 | PB11 — GPIO PB11 / I2C2_SDA |
| دبوس 41 | VCAP_1 — Core LDO output (1.0uF capacitor) |
| دبوس 42 | VDD — Digital supply 3.3V |
| دبوس 43 | PB12 — GPIO PB12 / SPI2_NSS |
| دبوس 44 | PB13 — GPIO PB13 / SPI2_SCK |
| دبوس 45 | PB14 — GPIO PB14 / SPI2_MISO |
| دبوس 46 | PB15 — GPIO PB15 / SPI2_MOSI |
| دبوس 47 | PD08 — GPIO PD08 / USART3_TX |
| دبوس 48 | PD09 — GPIO PD09 / USART3_RX |
| دبوس 49 | PD10 — GPIO PD10 |
| دبوس 50 | PD11 — GPIO PD11 |
| دبوس 51 | PD12 — GPIO PD12 |
| دبوس 52 | PD13 — GPIO PD13 |
| دبوس 53 | VSS — Ground |
| دبوس 54 | VDD — Digital supply 3.3V |
| دبوس 55 | PD14 — GPIO PD14 |
| دبوس 56 | PD15 — GPIO PD15 |
| دبوس 57 | PC06 — GPIO PC06 / SDMMC1_D6 |
| دبوس 58 | PC07 — GPIO PC07 / SDMMC1_D7 |
| دبوس 59 | PC08 — GPIO PC08 / SDMMC1_D0 |
| دبوس 60 | PC09 — GPIO PC09 / SDMMC1_D1 |
| دبوس 61 | PA08 — GPIO PA08 |
| دبوس 62 | PA09 — GPIO PA09 / OTG_FS_VBUS |
| دبوس 63 | PA10 — GPIO PA10 / OTG_FS_ID |
| دبوس 64 | PA11 — GPIO PA11 / OTG_FS_DM |
| دبوس 65 | PA12 — GPIO PA12 / OTG_FS_DP |
| دبوس 66 | PA13 — GPIO PA13 / JTMS-SWDIO |
| دبوس 67 | VCAP_2 — Core LDO output (1.0uF capacitor) |
| دبوس 68 | VSS — Ground |
| دبوس 69 | VDD — Digital supply 3.3V |
| دبوس 70 | PA14 — GPIO PA14 / JTCK-SWCLK |
| دبوس 71 | PA15 — GPIO PA15 / JTDI |
| دبوس 72 | PC10 — GPIO PC10 / SDMMC1_D2 |
| دبوس 73 | PC11 — GPIO PC11 / SDMMC1_D3 |
| دبوس 74 | PC12 — GPIO PC12 / SDMMC1_CK |
| دبوس 75 | PD00 — GPIO PD00 / CAN1_RX |
| دبوس 76 | PD01 — GPIO PD01 / CAN1_TX |
| دبوس 77 | PD02 — GPIO PD02 / SDMMC1_CMD |
| دبوس 78 | PD03 — GPIO PD03 |
| دبوس 79 | PD04 — GPIO PD04 |
| دبوس 80 | PD05 — GPIO PD05 |
| دبوس 81 | PD06 — GPIO PD06 |
| دبوس 82 | PD07 — GPIO PD07 |
| دبوس 83 | PB03 — GPIO PB03 / JTDO-SWO |
| دبوس 84 | PB04 — GPIO PB04 / NJTRST |
| دبوس 85 | PB05 — GPIO PB05 |
| دبوس 86 | PB06 — GPIO PB06 |
| دبوس 87 | PB07 — GPIO PB07 |
| دبوس 88 | BOOT0 — Boot mode select |
| دبوس 89 | PB08 — GPIO PB08 / I2C1_SCL |
| دبوس 90 | PB09 — GPIO PB09 / I2C1_SDA |
| دبوس 91 | PE00 — GPIO PE00 / TIM4_ETR |
| دبوس 92 | PE01 — GPIO PE01 |
| دبوس 93 | VSS — Ground |
| دبوس 94 | VDD — Digital supply 3.3V |
| دبوس 95 | PDR_ON — Power-down reset enable |
| دبوس 96 | VREF+ — ADC reference voltage |
| دبوس 97 | VDDA — Analog supply 3.3V |
| دبوس 98 | VSS — Ground |
| دبوس 99 | PA00 — GPIO PA00 / WKUP |
| دبوس 100 | VREF- — ADC reference ground |
| دبوس 101 | PC00 — GPIO PC00 / ADC123_INP10 |
| دبوس 102 | PC01 — GPIO PC01 / ADC123_INN10 |
| دبوس 103 | PC02 — GPIO PC02 / ADC123_INP11 |
| دبوس 104 | PC03 — GPIO PC03 / ADC123_INN11 |
| دبوس 105 | PA02 — GPIO PA02 |
| دبوس 106 | PA03 — GPIO PA03 |
| دبوس 107 | PA04 — GPIO PA04 |
| دبوس 108 | PA05 — GPIO PA05 |
| دبوس 109 | PA06 — GPIO PA06 |
| دبوس 110 | PA07 — GPIO PA07 |
| دبوس 111 | PB00 — GPIO PB00 |
| دبوس 112 | PB01 — GPIO PB01 |
| دبوس 113 | VCAP_3 — Core LDO output (1.0uF capacitor) |
| دبوس 114 | VSS — Ground |
| دبوس 115 | VDD — Digital supply 3.3V |
| دبوس 116 | PB02 — GPIO PB02 |
| دبوس 117 | PF00 — GPIO PF00 |
| دبوس 118 | PF01 — GPIO PF01 |
| دبوس 119 | PF02 — GPIO PF02 |
| دبوس 120 | PF03 — GPIO PF03 |
| دبوس 121 | PF04 — GPIO PF04 |
| دبوس 122 | PF05 — GPIO PF05 |
| دبوس 123 | VSS — Ground |
| دبوس 124 | VDD — Digital supply 3.3V |
| دبوس 125 | PF06 — GPIO PF06 |
| دبوس 126 | PF07 — GPIO PF07 / ADC3_INP3 |
| دبوس 127 | PF08 — GPIO PF08 / ADC3_INP4 |
| دبوس 128 | PF09 — GPIO PF09 / ADC3_INN4 |
| دبوس 129 | PF10 — GPIO PF10 / ADC3_INP5 |
| دبوس 130 | PH00 — GPIO PH00 / OSC_IN |
| دبوس 131 | PH01 — GPIO PH01 / OSC_OUT |
| دبوس 132 | VSS — Ground |
| دبوس 133 | VDD — Digital supply 3.3V |
| دبوس 134 | PC00 — GPIO PC00 |
| دبوس 135 | PC01 — GPIO PC01 |
| دبوس 136 | PC02 — GPIO PC02 |
| دبوس 137 | PC03 — GPIO PC03 |
| دبوس 138 | PA00 — GPIO PA00 |
| دبوس 139 | PA01 — GPIO PA01 |
| دبوس 140 | PA02 — GPIO PA02 |
| دبوس 141 | PA03 — GPIO PA03 |
| دبوس 142 | VSS — Ground |
| دبوس 143 | VDD — Digital supply 3.3V |
| دبوس 144 | PA04 — GPIO PA04 |
| دبوس 145 | PA05 — GPIO PA05 |
| دبوس 146 | PA06 — GPIO PA06 |
| دبوس 147 | PA07 — GPIO PA07 |
| دبوس 148 | PC04 — GPIO PC04 |
| دبوس 149 | PC05 — GPIO PC05 |
| دبوس 150 | PB00 — GPIO PB00 |
| دبوس 151 | PB01 — GPIO PB01 |
| دبوس 152 | PB02 — GPIO PB02 |
| دبوس 153 | PF11 — GPIO PF11 / ADC1_INP2 |
| دبوس 154 | PF12 — GPIO PF12 / ADC1_INP6 |
| دبوس 155 | VSS — Ground |
| دبوس 156 | VDD — Digital supply 3.3V |
| دبوس 157 | PF13 — GPIO PF13 |
| دبوس 158 | PF14 — GPIO PF14 |
| دبوس 159 | PF15 — GPIO PF15 |
| دبوس 160 | PG00 — GPIO PG00 |
| دبوس 161 | PG01 — GPIO PG01 |
| دبوس 162 | PE00 — GPIO PE00 |
| دبوس 163 | PE01 — GPIO PE01 |
| دبوس 164 | PI00 — GPIO PI00 |
| دبوس 165 | PI01 — GPIO PI01 |
| دبوس 166 | PI02 — GPIO PI02 |
| دبوس 167 | PI03 — GPIO PI03 |
| دبوس 168 | VSS — Ground |
| دبوس 169 | VDD — Digital supply 3.3V |
| دبوس 170 | PA08 — GPIO PA08 |
| دبوس 171 | PA09 — GPIO PA09 |
| دبوس 172 | PA10 — GPIO PA10 |
| دبوس 173 | PA11 — GPIO PA11 |
| دبوس 174 | PA12 — GPIO PA12 |
| دبوس 175 | PA13 — GPIO PA13 |
| دبوس 176 | PA14 — GPIO PA14 / OSC_OUT (reserved) |
التطبيقات النموذجية
STM32H753IIT6 مناسب لـ 6 التطبيقs: 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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ STM32H753IIT6 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | 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 |
أبرز الفروقات
- Hardware JPEG codec offloads image-decode work (مقابلSTM32H743IIT6)
- SHA-256 accelerator alongside AES-256 (مقابلSTM32H743IIT6)
- Lower cost than dual-core alternative (مقابلSTM32H745IIT6)
ملاحظات التصميم
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.
معلومات الامتثال
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.