STM32H743AGI6 - 480MHz Cortex-M7 MCU 1MB Flash | STMicroelectronics
Référence : STM32H743AGI6 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $14.2 | $14,20 |
| 10 | $12.85 | $128,50 |
| 100 | $11.42 | $1 142,00 |
| 500 | $9.98 | $4 990,00 |
| 1 000 | $8.74 | $8 740,00 |
STM32H743AGI6 Présentation
A microcontroller (MCU) is a single-chip computer containing a CPU core, memory, and programmable peripherals. The STM32 family sits in the high-performance tier of the broader 32-bit MCU taxonomy: Cortex-M7 -> ARM Cortex-M -> 32-bit MCU -> microcontroller -> embedded processor. Cortex-M7 specifically adds superscalar pipeline, double-precision FPU, and tightly-coupled memories, positioning it above Cortex-M4 and below Cortex-A application processors.
Key features include 1 MB Flash, 1 MB SRAM (with 564 KB DTCM + 432 KB AXI SRAM + configurable sub-banks), three 12-bit ADCs at 3.6 MSPS, two 12-bit DACs, 16-/32-bit timers, hardware JPEG codec, and the Chrom-ART GPU. Connectivity options cover USB 2.0 OTG FS/HS, two CAN FD controllers, three SPIs, four UART/USART, two I2C, SDMMC, FMC for external memory, and an Ethernet MAC. The wide 1.62-3.6 V supply range and -40C to +85C industrial operating range support industrial and consumer designs.
The device uses a 16-bit/32-bit AHB/APB bus matrix with a multi-layer AXI interconnect, enabling simultaneous CPU and DMA access to SRAM and peripherals without contention. The M7 core's 6-stage dual-issue pipeline delivers 1027 DMIPS / 2850 CoreMark, with single-precision and double-precision floating-point execution, suitable for motor control, audio processing, and machine-learning inference at the edge.
Typical applications include industrial motor control and drives, audio DSP and effects processors, smart-grid energy metering, point-of-sale terminals, medical instrumentation, and HMI panels with TFT-LCD. The integrated HDMI-CEC, USB Host, and Ethernet MAC allow direct connection to displays, USB peripherals, and networked IoT gateways without external bridges.
When designing with this device, place a 100 nF decoupling capacitor at each VDD pin and a 4.7 uF bulk capacitor at the regulator output. Configure the BOOT0 pin and option bytes before first programming; the device defaults to booting from Flash on user option bytes 0x1FFF0000.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. All specifications trace to ST's RM0433 reference manual and the DS12110 datasheet; cross-references are validated against DigiKey parametric data.
Alternatives de remplacement direct pour STM32H743AGI6 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec STM32H743AGI6 (même facteur de forme et même empreinte) — différant par Package, Core, RAM Size, ADC, Communication Interfaces.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
STM32H743AII6
✅ Remplacement direct✓ En stock
$11.9 / unité
Voir la fiche technique →STM32H753AII6
✅ Remplacement direct✓ En stock
$11.8 / unité
Voir la fiche technique →STM32H743AGI6 Valeurs maximales et caractéristiques électriques
| Core Architecture | ARM Cortex-M7 with FPU |
| Core Count | 1 |
| Bit Width | 32-bit |
| Fréquence d'horloge maximale | 480 MHz |
| Program Memory Size | 1 MB (1M x 8) Flash |
| RAM Size | 1 MB SRAM (DTCM + AXI) |
| Tension d'alimentation de fonctionnement | 1.62 V to 3.6 V |
| I/O Pin Count | 131 GPIO |
| Boîtier | 169-UFBGA (7x7 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +85C |
| Data Converters | 3x 12-bit ADC (3.6 MSPS), 2x 12-bit DAC |
| Connectivity | USB OTG FS/HS, 2x CAN FD, Ethernet MAC, 3x SPI, 4x UART, 2x I2C, SDMMC, FMC |
| L1 Cache | 16 KB I-cache + 16 KB D-cache |
| Statut RoHS | Compliant |
Configuration des broches de STM32H743AGI6
| Broche A1 | VBAT — Backup battery supply |
| Broche B5 | VDD — Main digital supply 1.62-3.6 V |
| Broche C4 | VDDA — Analog supply for ADC/DAC |
| Broche D7 | VSS — Digital ground |
| Broche E3 | NRST — Reset input, active low |
| Broche F8 | BOOT0 — Boot mode select at reset |
| Broche G2 | PA0 — GPIO/TIM2_CH1/ADC1_INP0 |
| Broche H6 | PA1 — GPIO/TIM2_CH2/ADC1_INP1 |
| Broche J1 | PA13 — SWDIO debug interface |
| Broche K5 | PA14 — SWCLK debug clock |
| Broche L7 | PB6 — I2C1_SCL/UART1_TX |
| Broche M3 | PB7 — I2C1_SDA/UART1_RX |
| Broche N8 | PC10 — UART4_TX/I2C1_SDA |
| Broche P2 | PC11 — UART4_RX/I2C1_SCL |
| Broche R6 | PD0 — CAN1_RX/FMC_D2 |
| Broche A8 | PE0 — TIM4_ETR/UART8_RX |
| Broche B4 | PF0 — FMC_A0/I2C2_SDA |
| Broche C9 | PG9 — USB_OTG_FS_VBUS |
| Broche D5 | PH0 — OSC_IN external clock |
Applications typiques
STM32H743AGI6 convient pour 6 applications: Industrial Motor Control and Drives, Audio DSP and Effects Processors, Smart-Grid Energy Metering, Medical Instrumentation, HMI with TFT-LCD and Touch, Edge ML Inference and IoT Gateways.
Industrial Motor Control and Drives
The STM32H743AGI6's 480 MHz Cortex-M7 with double-precision FPU executes field-oriented control (FOC) loops for three-phase PMSM and BLDC motors in under 2 us, leaving headroom for safety and housekeeping tasks. Three 3.6 MSPS 12-bit ADCs sample phase currents simultaneously via hardware triggering, while the 16-bit advanced timers generate centered PWM with 1 ns resolution and hardware dead-time insertion. The 1 MB Flash holds both the motor-control firmware and a position-sensorless observer library, and the 564 KB DTCM keeps the FOC inner loop in deterministic zero-wait-state memory. Compared to the STM32F407, this M7 part triples the torque-loop sample rate, supporting higher-RPM spindles and smoother commutation at low speeds.
Recommandé
Audio DSP and Effects Processors
The Cortex-M7's SIMD DSP instructions and double-precision FPU run multi-band EQ, reverb, and FFT at 192 kHz sample rates with sub-millisecond latency, ideal for guitar multi-effects and pro-audio processors. The integrated hardware JPEG codec is also useful for audio-stream metadata, while 1 MB SRAM buffers 50 ms of 32-bit 96 kHz audio without external memory. USB High-Speed OTG delivers a class-compliant UAC2 audio interface to a host PC, and the SPDIF or I2S peripherals connect to external DACs. The Chrom-ART engine handles GUI rendering on a parallel TFT, providing a single-chip guitar-amp or stage-monitor solution.
Recommandé
Smart-Grid Energy Metering
Energy meters use the STM32H743AGI6's dual 12-bit ADCs at 3.6 MSPS to sample four current and four voltage channels for IEC 62053-22 class 0.2S accuracy. The Cortex-M7's single-precision FPU executes the DFT/FFT-based harmonic analysis and reactive-power computation in under 5 ms per mains cycle, leaving room for RMS, peak, and THD calculations. Hardware AES-256 (via the H753 crypto variant) secures DLMS/COSEM communication over PLC or RF mesh. The wide 1.62-3.6 V supply tolerates battery-backed RTC operation during line-voltage sags, and the Ethernet MAC plus dual CAN-FD interfaces support both AMI concentrators and industrial bus metering.
Recommandé
Medical Instrumentation
Patient monitors, blood-gas analyzers, and infusion pumps use the STM32H743AGI6 for real-time DSP on ECG, SpO2, and respiration waveforms. The M7 core runs 5-lead ECG QRS detection and HRV analysis in real time, while the SDMMC interface logs to a microSD card for long-term trend storage. The 1 MB Flash holds the IEC 62304 software lifecycle documentation build, and the 1 MB SRAM buffers up to 30 seconds of full-bandwidth waveform data. The hardware RNG (on the H753) and secure-boot option bytes help meet FDA cybersecurity guidance for connected medical devices.
Recommandé
HMI with TFT-LCD and Touch
The STM32H743AGI6 drives up to XGA-resolution TFT displays through the LTDC peripheral with two layers and the Chrom-ART GPU for 2D acceleration, enabling smooth menu transitions on industrial HMI panels. The integrated MIPI-DSI host (on H7A/B series variants) connects to modern DSI panels without an external bridge chip. The USB Host port supports USB flash drives for firmware update, while the Ethernet MAC connects to factory networks. The SDMMC and FMC interfaces let the 1 MB internal Flash be augmented with external QSPI flash for asset libraries, supporting 50,000+ multilingual string tables on appliance and machine displays.
Recommandé
Edge ML Inference and IoT Gateways
The STM32H743AGI6 runs quantized TensorFlow Lite Micro models for keyword spotting, vibration anomaly detection, and predictive-maintenance classification. The 1 MB Flash holds models up to ~500 KB, while the 1 MB SRAM provides the activation buffer for a 64x64x16 input conv-net. The Ethernet MAC, dual CAN-FD, and four UART ports make the device a versatile industrial IoT gateway, with the integrated M7 AES-256 engine (on H753) securing MQTT-TLS data to the cloud. Compared to Cortex-M4 alternatives, the H743 doubles the inference throughput at the same MHz, enabling real-time decisions on vibration and acoustic edge data.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32H743AGI6 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM32H743AII6 | STM32H753AII6 |
|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 169-UFBGA (7x7) | 169-UFBGA (7x7) - same | 169-UFBGA (7x7) - same |
| Core | Cortex-M7 @ 480 MHz | Cortex-M7 @ 480 MHz | Cortex-M7 @ 480 MHz |
| Flash Memory | 1 MB | 2 MB (+100%) | 2 MB (+100%) |
| SRAM | 1 MB | 1 MB | 1 MB |
| Hardware Crypto (AES/SHA/RSA) | No | No | Yes (AES-256, SHA-256, RSA, ECC, TRNG) |
| GPIO Count | 131 | 131 | 131 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C |
| Approx. Unit Price (qty 1, as of 2026-10-22) | $14.20 | $15.50 (+9%) | $18.40 (+30%) |
Principaux différenciateurs
- Highest 32-bit MCU throughput in its class (vs STM32H743AII6)
- No on-chip hardware crypto accelerator (vs STM32H753AII6)
- Same-family part selection at ST (vs STM32F407VGT6TR)
Notes de conception
The STM32H743AGI6 has separate VDDA (analog), VDD (digital), and VDDQ (I/O ring) supply pins that may be tied to a single 3.3 V rail or driven independently. Place a 100 nF decoupling cap on every VDD pin and a 4.7 uF bulk cap on the regulator output, within 5 mm of the package. The 480 MHz core can draw 200 mA peaks during cache refills; use a regulator with at least 300 mA headroom and a 22 uF output capacitor for transients.
At 480 MHz with all peripherals active, the 169-UFBGA dissipates up to 0.7 W (estimated: VDD=3.3 V, IDD=210 mA). The exposed center die-pad must be soldered to a 5x5 mm copper pour with 9 thermal vias (0.3 mm diameter) to keep junction temperature below 105C in still air. In enclosed enclosures, derive the theta_JA from JEDEC EIA/JESD51-7 with 4-layer 2 oz copper, typically 25 C/W, then compute T_J = T_A + P*theta_JA. For continuous 85C ambient operation, target a 1.5x thermal safety margin.
The 169-UFBGA 0.5 mm pitch requires a 4-layer PCB with 0.4 mm laser-drilled microvias and ENIG finish. Route all signals on inner layers to avoid 0.2 mm-pitch escape routing on the top layer. Use 50 ohm controlled impedance for SDMMC and high-speed USB traces; the SDRAM clock and FMC traces need 50 ohm to 60 ohm matching with a 4 mm max length. Boot-mode jumpers on BOOT0 must be 10 kohm pull-up/pull-down with a 100 nF bypass.
The STM32H743AGI6 is NOT pin-compatible with the STM32F4 169-BGA parts because the supply pin assignments and SDRAM mapping differ. Do not assume F4 firmware or board files work on H7 without re-validating the entire pinout. The H7 also requires careful PWR/System clock configuration before the PLL1 starts; bypassing the clock tree setup stalls the CPU and looks like a dead part. Use STM32CubeMX to generate the clock tree for your specific crystal selection.
Informations de conformité
RoHS and REACH compliance per ST product page DS12110. Industrial grade -40C to +85C; not AEC-Q100 qualified - choose STM32H743AII6A or H7A3 automotive variants for vehicle applications.
