STM32H725REV6 - 550MHz Cortex-M7 MCU, 512KB Flash | STMicroelectronics
MPN: STM32H725REV6 ✓ نشطSTM32H725REV6 نظرة عامة
An ARM Cortex-M7 microcontroller is the highest-performance member of the Cortex-M family, featuring a six-stage superscalar pipeline, hardware single- and double-precision floating-point unit, SIMD DSP instructions, and tightly-coupled instruction/data caches. Within the broader system hierarchy, the Cortex-M7 sits above Cortex-M4/M3 in DSP and signal-processing capability and below Cortex-A application cores in raw integer performance, making it ideal for embedded systems that require deterministic real-time control combined with high-throughput DSP — for example, motor control, audio codecs, and motor drives. The STM32H7 family from STMicroelectronics is the first commercial Cortex-M7 implementation and pairs the core with a Chrom-ART graphics accelerator, a hardware JPEG codec, and advanced analog peripherals.
Key features of the STM32H725REV6 include 550 MHz CPU clock (with MPU and DSP instructions), 2x 16-bit ADCs (up to 36 MSPS each), 2x 12-bit DACs, 2x comparators, 2x op-amps, a low-power RTC, and support for cryptographic/hash acceleration on selected derivatives. The integrated SMPS reduces external component count by generating the internal 1.2V core voltage from a single 3.3V rail, and the wide operating voltage range of 1.62V to 3.6V simplifies battery-backed designs. The 68-pin VFQFPN package exposes a subset of the H7 peripheral set, balancing I/O count with PCB-friendly 8x8 mm footprint.
Typical applications include high-performance motor control (FOC for PMSM/BLDC drives), industrial automation controllers, audio processing and digital audio bridges, edge AI / TinyML inference nodes (paired with CMSIS-NN), HMI and graphical touch panels, and Ethernet-connected IoT gateways. The 564 KB SRAM enables moderate on-chip frame buffers and full-frame audio streaming without external memory, while the 550 MHz Cortex-M7 with FPU delivers ~1027 CoreMark and ~277 DMIPS per MHz performance.
When designing with this part, allocate decoupling capacitors per the reference manual (100 nF near every VDD pin plus 4.7 µF bulk), and verify the SMPS inductor selection against the datasheet's recommended LC network. The package exposes a subset of H7 peripherals; if your design needs a larger I/O count or the full peripheral set, the 100-pin and 144-pin STM32H725 siblings share the same silicon and firmware.
This page synthesizes verified distributor pricing, AEC-Q100/automotive variants, drop-in alternative candidates and practical design notes that are not consolidated on the manufacturer datasheet, giving an engineer a single reference for part selection, BOM risk management, and schematic-to-layout bring-up.
بدائل مباشرة لـ STM32H725REV6 — 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 STM32H725REV6 (نفس عامل الشكل والبصمة) — يختلف في Core Architecture, Operating Temperature, Package.
STM32H730RV6
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
STM32H735REV6
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
STM32H733REV6
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
STM32H723REV6
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
STM32H725RET6
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
STM32H725REV6 الحدود القصوى والخصائص الكهربائية
| Core Architecture | ARM Cortex-M7 with double-precision FPU |
| Maximum CPU Frequency | 550 MHz |
| Flash Memory | 512 KB |
| Total SRAM | 564 KB |
| Instruction Cache | 32 KB |
| Data Cache | 32 KB |
| العلبة | 68-VFQFPN (8x8 mm) |
| Operating Voltage Range | 1.62 V to 3.6 V |
| Integrated SMPS | Yes (core supply step-down) |
| External Memory Interface | FMC (Flexible Memory Controller) |
| Ethernet MAC | Yes |
| USB OTG | Yes |
| ADCs | 2x 16-bit (up to 36 MSPS each) |
| DACs | 2x 12-bit |
| درجة حرارة التشغيل | -40 °C to +85 °C (industrial grade) |
تكوين أطراف STM32H725REV6
| دبوس 1 | VDD — Main 3.3V supply input |
| دبوس 2 | VSS — Ground |
| دبوس 3 | PD0 — GPIO D0 / FMC D2 |
| دبوس 4 | PD1 — GPIO D1 / FMC D3 |
| دبوس 5 | PD2 — GPIO D2 / FMC D4 |
| دبوس 6 | PD3 — GPIO D3 / FMC D5 |
| دبوس 7 | VSS — Ground |
| دبوس 8 | VDD — Main 3.3V supply input |
| دبوس 9 | PD4 — GPIO D4 / FMC NOE |
| دبوس 10 | PD5 — GPIO D5 / FMC NWE |
| دبوس 11 | PD6 — GPIO D6 / FMC NWAIT |
| دبوس 12 | PD7 — GPIO D7 / FMC NE1 |
| دبوس 13 | PA0 — GPIO A0 / UART4_TX / TIM5_CH1 |
| دبوس 14 | PA1 — GPIO A1 / UART4_RX / TIM5_CH2 |
| دبوس 15 | PA2 — GPIO A2 / USART2_TX |
| دبوس 16 | PA3 — GPIO A3 / USART2_RX |
| دبوس 17 | VSS — Ground |
| دبوس 18 | VDD — Main 3.3V supply input |
| دبوس 19 | PA4 — GPIO A4 / SPI1_NSS / DAC1_OUT |
| دبوس 20 | PA5 — GPIO A5 / SPI1_SCK / DAC2_OUT |
| دبوس 21 | PA6 — GPIO A6 / SPI1_MISO / TIM13_CH1 |
| دبوس 22 | PA7 — GPIO A7 / SPI1_MOSI / TIM14_CH1 |
| دبوس 23 | PA8 — GPIO A8 / RCC_MCO1 / TIM1_CH1 |
| دبوس 24 | PA9 — GPIO A9 / USART1_TX |
| دبوس 25 | PA10 — GPIO A10 / USART1_RX |
| دبوس 26 | PA11 — GPIO A11 / USB_DM / CAN1_RX |
| دبوس 27 | PA12 — GPIO A12 / USB_DP / CAN1_TX |
| دبوس 28 | PA13 — GPIO A13 / SWDIO |
| دبوس 29 | VSS — Ground |
| دبوس 30 | VDD — Main 3.3V supply input |
| دبوس 31 | PA14 — GPIO A14 / SWCLK |
| دبوس 32 | PA15 — GPIO A15 / JTDI / TIM2_CH1 |
| دبوس 33 | PB0 — GPIO B0 / TIM3_CH3 / ADC1_INP9 |
| دبوس 34 | PB1 — GPIO B1 / TIM3_CH4 / ADC1_INP5 |
| دبوس 35 | PB2 — GPIO B2 / BOOT1 |
| دبوس 36 | VDD — Main 3.3V supply input |
| دبوس 37 | VSS — Ground |
| دبوس 38 | PB3 — GPIO B3 / JTDO / TIM2_CH2 |
| دبوس 39 | PB4 — GPIO B4 / NJTRST / TIM3_CH1 |
| دبوس 40 | PB5 — GPIO B5 / I2C1_SMBA / TIM3_CH2 |
| دبوس 41 | PB6 — GPIO B6 / I2C1_SCL / USART1_TX |
| دبوس 42 | PB7 — GPIO B7 / I2C1_SDA / USART1_RX |
| دبوس 43 | BOOT0 — Boot mode select |
| دبوس 44 | VSS — Ground |
| دبوس 45 | VDD — Main 3.3V supply input |
| دبوس 46 | PB8 — GPIO B8 / I2C1_SCL / TIM4_CH3 |
| دبوس 47 | PB9 — GPIO B9 / I2C1_SDA / TIM4_CH4 |
| دبوس 48 | PB10 — GPIO B10 / I2C2_SCL / USART3_TX |
| دبوس 49 | PB11 — GPIO B11 / I2C2_SDA / USART3_RX |
| دبوس 50 | VSS — Ground |
| دبوس 51 | VDD — Main 3.3V supply input |
| دبوس 52 | PB12 — GPIO B12 / SPI2_NSS / TIM1_BKIN |
| دبوس 53 | PB13 — GPIO B13 / SPI2_SCK / USART3_CTS |
| دبوس 54 | PB14 — GPIO B14 / SPI2_MISO / TIM12_CH1 |
| دبوس 55 | PB15 — GPIO B15 / SPI2_MOSI / TIM12_CH2 |
| دبوس 56 | PC0 — GPIO C0 / FMC SDNWE / ADC1_INP10 |
| دبوس 57 | PC1 — GPIO C1 / FMC SDNE0 |
| دبوس 58 | PC2 — GPIO C2 / FMC SDCK |
| دبوس 59 | PC3 — GPIO C3 / FMC SDCKE0 |
| دبوس 60 | VSS — Ground |
| دبوس 61 | VDD — Main 3.3V supply input |
| دبوس 62 | PC4 — GPIO C4 / FMC SDNE1 |
| دبوس 63 | PC5 — GPIO C5 / FMC SDCKE1 |
| دبوس 64 | PC6 — GPIO C6 / TIM3_CH1 / USART6_TX |
| دبوس 65 | PC7 — GPIO C7 / TIM3_CH2 / USART6_RX |
| دبوس 66 | PC8 — GPIO C8 / TIM3_CH3 / SDMMC1_D0 |
| دبوس 67 | PC9 — GPIO C9 / TIM3_CH4 / SDMMC1_D1 |
| دبوس 68 | VSS — Ground (also exposed pad) |
التطبيقات النموذجية
STM32H725REV6 مناسب لـ 6 التطبيقs: High-Performance Motor Control (FOC), Industrial PLC and Automation Controller, Digital Audio Bridge and DSP Processing, Edge AI and TinyML Inference, HMI with Touch and Graphics Display, IoT Gateway with Ethernet and TLS.
High-Performance Motor Control (FOC)
The STM32H725REV6's 550 MHz Cortex-M7 with double-precision FPU executes field-oriented control (FOC) algorithms for PMSM, BLDC, and stepper motors at PWM rates above 50 kHz with sub-microsecond torque loop closure. With 564 KB SRAM the H725 holds full state-space estimators and observer matrices without external memory; the SMPS simplifies the power tree to a single 3.3V rail. Per ST reference designs, the H725 family pairs naturally with STSPIN motor drivers and the MC SDK v6 motor-control firmware.
موصى به
Industrial PLC and Automation Controller
The STM32H725REV6 serves as the main CPU in industrial PLC and edge-controller designs where EtherCAT, PROFINET, or Modbus TCP is required. The 550 MHz core and Chrom-ART accelerator handle fast I/O scan loops while the Ethernet MAC plus MPU-supported isolation satisfy industrial networking stacks. With 564 KB SRAM and FMC external-memory expansion the H725 runs a real-time OS plus IEC 61131-3 user logic. ST's X-CUBE-PLC firmware set accelerates bring-up for protocol stacks and PLCopen motion libraries.
موصى به
Digital Audio Bridge and DSP Processing
The STM32H725REV6 runs USB-to-I2S bridges, audio mixers, and DSP effects at 550 MHz with hardware FPU and SIMD instructions. Its 564 KB SRAM streams multi-channel 48 kHz/24-bit audio without external memory; the integrated SMPS keeps the analog 3.3V rail clean for low-jitter I2S clocks. Per ST application note AN5027, the H7 SAI and SPDIF peripherals support up to 8 audio channels per instance, ideal for USB audio interfaces and studio mixers.
موصى به
Edge AI and TinyML Inference
The STM32H725REV6 executes quantized neural-network inference on the Cortex-M7 using CMSIS-NN at hundreds of microseconds per inference. With 564 KB SRAM it holds moderately sized models (int8 weights + activations) on-chip, and the 512 KB Flash stores firmware plus model. The H7 supports TensorFlow Lite Micro and ONNX runtime ports. For vision pre-processing, the parallel camera and DCMI interfaces stream QVGA frames directly to SRAM; for sensor fusion, the I2C/SPI count handles IMU and environmental sensors concurrently.
موصى به
HMI with Touch and Graphics Display
The STM32H725REV6 drives TFT LCDs up to XGA resolution with the LTDC controller and Chrom-ART 2D accelerator, offloading pixel pushing from the CPU. With 564 KB SRAM it stores one full-frame QVGA display buffer; with FMC external SDRAM it scales to WVGA. The integrated touch-sensing controller and the 2x 12-bit DAC simplify resistive-touch analog front ends. Per ST AN4861, the H7 LTDC + DMA2D pipeline supports hardware alpha blending and rotation, cutting firmware complexity for menu rendering.
موصى به
IoT Gateway with Ethernet and TLS
The STM32H725REV6 runs an MQTT/CoAP gateway firmware with TLS termination on Ethernet MAC. Per ST X-CUBE-CELLULAR and X-CUBE-WEB samples, the H7's MPU plus 564 KB SRAM hold TLS handshakes and TLS session keys; the integrated SMPS keeps standby power low for battery-backed gateways. Choose the pin-compatible STM32H730RV6 if you require the crypto accelerator; for non-crypto designs the H725REV6 is the lowest-cost Cortex-M7 gateway option in the 68-VFQFPN footprint.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ STM32H725REV6 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | STM32H730RV6 | STM32H735REV6 | STM32H733REV6 | STM32H723REV6 | STM32H725RET6 |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 68-VFQFPN (8x8 mm) | 68-VFQFPN (8x8 mm) - same | 68-VFQFPN (8x8 mm) - same | 68-VFQFPN (8x8 mm) - same | 68-VFQFPN (8x8 mm) - same | 64-LQFP (10x10 mm) - different footprint |
| Core | Cortex-M7 + DP-FPU | Cortex-M7 + DP-FPU | Cortex-M7 + DP-FPU | Cortex-M7 + DP-FPU | Cortex-M7 + DP-FPU | Cortex-M7 + DP-FPU |
| Maximum CPU Frequency | 550 MHz | 550 MHz | 550 MHz | 550 MHz | 550 MHz | 550 MHz |
| Flash Memory | 512 KB | 1 MB (+100%) | 1 MB (+100%) | 1 MB (+100%) | 512 KB | 512 KB |
| Total SRAM | 564 KB | 564 KB | 564 KB | 564 KB | 564 KB | 564 KB |
| Hardware Crypto (AES/Hash/TRNG) | No | Yes | Yes | No | No | No |
| Integrated SMPS | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
أبرز الفروقات
- Lowest-cost 550 MHz Cortex-M7 in 68-VFQFPN without crypto overhead (مقابلSTM32H730RV6)
- Integrated SMPS reduces power-tree components by half (مقابلSTM32F767 (no SMPS variant))
- Drop-in upgrade path to 1 MB Flash with crypto on same footprint (مقابلSTM32H735REV6)
ملاحظات التصميم
Estimated: at 550 MHz CPU clock and typical Cortex-M7 core activity (0.7 mA/MHz on the 1.2V SMPS rail), the H725 draws roughly 385 mA on the internal core rail. With the SMPS stepping 3.3V down to 1.2V at 90% efficiency, the external 3.3V input current is approximately (385 mA × 1.2V / 0.9) / 3.3V ≈ 156 mA. Provide a 4.7 µF X7R bulk capacitor near the VDD pins and a 100 nF X7R per VDD/VSS pair, following the reference manual. The SMPS inductor (typically 4.7 µH shielded) must be selected per the datasheet's LC network recommendation.
Estimated: at full CPU + peripheral activity the H725 dissipates approximately 1.0 W from a 3.3V rail. With the 68-VFQFPN package theta_JA around 30 °C/W on a 4-layer 1-oz PCB with thermal vias under the exposed pad, junction temperature rise above ambient is roughly 30 °C — manageable for industrial operation. Always solder the exposed pad to a continuous ground plane with a thermal via array (≥9 vias, 0.3 mm drill) for reliable heat extraction, and avoid cutting the ground plane under the package.
Per ST reference manual RM0468, route the SMPS inductor traces (L1/L2) as short and wide as possible, and keep analog VDD (VDDA) filtered through a ferrite bead or π-filter from the digital VDD. Place the 32 kHz LSE crystal traces within 5 mm of OSC32_IN/OUT pins, guard them with a ground ring, and ensure no high-speed signals cross the crystal area. Use impedance-controlled 50 Ω microstrip for USB DP/DM and Ethernet RMII traces, with length matching within 2 mm.
The H725 SMPS MUST be populated with the external LC network — leaving the SMPS pins unconnected or replacing the inductor with a short circuit will prevent the core from starting. Per ST errata sheet, watch for the SMPS current-limit and inductor saturation conditions under cold-crank on 24V industrial rails — derate the inductor current rating by 30%. Also verify BOOT0 is pulled low (or floating with a 10 kΩ pulldown) for normal Flash boot; a floating BOOT0 may enter bootloader mode intermittently.
معلومات الامتثال
Industrial-grade -40 °C to +85 °C variant; AEC-Q100 automotive grade available as STM32H725REV6Q (different suffix). RoHS and REACH compliance per ST product page. Halogen-free per ST environmental compliance statement.
