STM32H7B3ZIT6 - 280MHz Cortex-M7 MCU, 2MB Flash | STMicroelectronics
Référence : STM32H7B3ZIT6 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $12.5 | $12,50 |
| 10 | $11.25 | $112,50 |
| 100 | $10 | $1 000,00 |
| 500 | $9 | $4 500,00 |
| 1 000 | $8.1 | $8 100,00 |
STM32H7B3ZIT6 Présentation
A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals. The STM32H7B3ZIT6 belongs to the STM32H7 series, which is part of the broader STM32 family of 32-bit flash microcontrollers. This family is widely used in embedded systems, ranging from simple sensor nodes to complex industrial automation, due to its balance of performance, power efficiency, and peripheral integration.
Key features of the STM32H7B3ZIT6 include a 280 MHz Cortex-M7 core with double-precision FPU, a Chrom-ART Accelerator for 2D graphics, and a comprehensive set of communication interfaces including Ethernet, USB OTG HS, and multiple USARTs/SPIs/I2Cs. It also features a 16-bit ADC with 3.6 MSPS, a cryptographic acceleration unit, and a true random number generator. The device supports a wide supply voltage range of 1.62V to 3.6V and operates over a temperature range of -40°C to +85°C.
Architecturally, the STM32H7B3ZIT6 leverages a dual-core architecture in some variants, but this specific model features a single Cortex-M7 core with an L1 cache, achieving 856 CoreMark score. The device includes a flexible memory controller supporting external SDRAM, SRAM, and NOR/NAND flash, enabling large data buffers and graphics frame buffers. The Chrom-ART Accelerator offloads 2D drawing tasks from the CPU, improving graphics performance in HMI applications.
Typical applications include high-end human-machine interfaces (HMI), industrial automation controllers, motor control drives, and audio processing. The high clock speed and rich peripherals make it ideal for real-time control and signal processing. The device also supports secure boot and firmware update mechanisms, enhancing system security.
When designing with this MCU, ensure adequate decoupling on all power pins and a stable clock source. The internal LDO can be bypassed for lower power consumption, but careful attention to the power sequencing is required. The device offers multiple low-power modes, allowing optimization for battery-powered applications.
Alternatives de remplacement direct pour STM32H7B3ZIT6 — 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 STM32H7B3ZIT6 (même facteur de forme et même empreinte) — différant par ADC, Operating Temperature, Package, DAC, Communication Interfaces.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
STM32H7A3ZIT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32H7B0ZIT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32H743ZIT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$10.65 / unité
Voir la fiche technique →STM32H753ZIT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$11.95 / unité
Voir la fiche technique →STM32H750ZBT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32H7B3ZIT6 Valeurs maximales et caractéristiques électriques
| Core | Arm Cortex-M7 |
| Max Clock Speed | 280 MHz |
| Flash Memory | 2 MB |
| SRAM | 1.4 MB |
| Boîtier | LQFP144 (20x20 mm) |
| Tension d'alimentation | 1.62 V to 3.6 V |
| Température de fonctionnement | -40C to +85C |
| GPIO Pins | 114 |
| ADC | 3x 16-bit, 3.6 MSPS |
| DAC | 2x 12-bit |
| Communication Interfaces | Ethernet, USB OTG HS, 4x USART, 4x SPI, 4x I2C, 2x FDCAN |
| Timers | 20x 16-bit, 2x 32-bit |
| DMA | 2x DMA controllers with 16 streams each |
| Cryptographic Acceleration | AES, DES, 3DES, SHA-1, SHA-256 |
| CoreMark | 856 |
| Statut RoHS | Compliant |
Configuration des broches de STM32H7B3ZIT6
| Broche 1 | PE2 — GPIO / alternate functions |
| Broche 2 | PE3 — GPIO / alternate functions |
| Broche 3 | PE4 — GPIO / alternate functions |
| Broche 4 | PE5 — GPIO / alternate functions |
| Broche 5 | PE6 — GPIO / alternate functions |
| Broche 6 | VBAT — Backup battery supply |
| Broche 7 | PC13 — GPIO / RTC tamper |
| Broche 8 | PC14 — GPIO / OSC32_IN |
| Broche 9 | PC15 — GPIO / OSC32_OUT |
| Broche 10 | PF0 — GPIO / alternate functions |
| Broche 11 | PF1 — GPIO / alternate functions |
| Broche 12 | PF2 — GPIO / alternate functions |
| Broche 13 | PF3 — GPIO / alternate functions |
| Broche 14 | PF4 — GPIO / alternate functions |
| Broche 15 | PF5 — GPIO / alternate functions |
| Broche 16 | PF6 — GPIO / alternate functions |
| Broche 17 | PF7 — GPIO / alternate functions |
| Broche 18 | PF8 — GPIO / alternate functions |
| Broche 19 | PF9 — GPIO / alternate functions |
| Broche 20 | PF10 — GPIO / alternate functions |
| Broche 21 | VSS — Ground |
| Broche 22 | VDD — Digital power supply |
| Broche 23 | PF11 — GPIO / alternate functions |
| Broche 24 | PF12 — GPIO / alternate functions |
| Broche 25 | PF13 — GPIO / alternate functions |
| Broche 26 | PF14 — GPIO / alternate functions |
| Broche 27 | PF15 — GPIO / alternate functions |
| Broche 28 | PG0 — GPIO / alternate functions |
| Broche 29 | PG1 — GPIO / alternate functions |
| Broche 30 | PG2 — GPIO / alternate functions |
| Broche 31 | PG3 — GPIO / alternate functions |
| Broche 32 | PG4 — GPIO / alternate functions |
| Broche 33 | PG5 — GPIO / alternate functions |
| Broche 34 | PG6 — GPIO / alternate functions |
| Broche 35 | PG7 — GPIO / alternate functions |
| Broche 36 | PG8 — GPIO / alternate functions |
| Broche 37 | PG9 — GPIO / alternate functions |
| Broche 38 | PG10 — GPIO / alternate functions |
| Broche 39 | PG11 — GPIO / alternate functions |
| Broche 40 | PG12 — GPIO / alternate functions |
| Broche 41 | PG13 — GPIO / alternate functions |
| Broche 42 | PG14 — GPIO / alternate functions |
| Broche 43 | PG15 — GPIO / alternate functions |
| Broche 44 | VSS — Ground |
| Broche 45 | VDD — Digital power supply |
| Broche 46 | PH0 — GPIO / OSC_IN |
| Broche 47 | PH1 — GPIO / OSC_OUT |
| Broche 48 | NRST — Reset (active low) |
| Broche 49 | PC0 — GPIO / ADC input |
| Broche 50 | PC1 — GPIO / ADC input |
| Broche 51 | PC2 — GPIO / ADC input |
| Broche 52 | PC3 — GPIO / ADC input |
| Broche 53 | VSSA — Analog ground |
| Broche 54 | VDDA — Analog power supply |
| Broche 55 | PC4 — GPIO / ADC input |
| Broche 56 | PC5 — GPIO / ADC input |
| Broche 57 | PB0 — GPIO / ADC input |
| Broche 58 | PB1 — GPIO / ADC input |
| Broche 59 | PB2 — GPIO / alternate functions |
| Broche 60 | PB3 — GPIO / alternate functions |
| Broche 61 | PB4 — GPIO / alternate functions |
| Broche 62 | PB5 — GPIO / alternate functions |
| Broche 63 | PB6 — GPIO / alternate functions |
| Broche 64 | PB7 — GPIO / alternate functions |
| Broche 65 | BOOT0 — Boot mode selection |
| Broche 66 | PB8 — GPIO / alternate functions |
| Broche 67 | PB9 — GPIO / alternate functions |
| Broche 68 | PE7 — GPIO / alternate functions |
| Broche 69 | PE8 — GPIO / alternate functions |
| Broche 70 | PE9 — GPIO / alternate functions |
| Broche 71 | PE10 — GPIO / alternate functions |
| Broche 72 | PE11 — GPIO / alternate functions |
| Broche 73 | PE12 — GPIO / alternate functions |
| Broche 74 | PE13 — GPIO / alternate functions |
| Broche 75 | PE14 — GPIO / alternate functions |
| Broche 76 | PE15 — GPIO / alternate functions |
| Broche 77 | PB10 — GPIO / alternate functions |
| Broche 78 | PB11 — GPIO / alternate functions |
| Broche 79 | VSS — Ground |
| Broche 80 | VDD — Digital power supply |
| Broche 81 | PB12 — GPIO / alternate functions |
| Broche 82 | PB13 — GPIO / alternate functions |
| Broche 83 | PB14 — GPIO / alternate functions |
| Broche 84 | PB15 — GPIO / alternate functions |
| Broche 85 | PD8 — GPIO / alternate functions |
| Broche 86 | PD9 — GPIO / alternate functions |
| Broche 87 | PD10 — GPIO / alternate functions |
| Broche 88 | PD11 — GPIO / alternate functions |
| Broche 89 | PD12 — GPIO / alternate functions |
| Broche 90 | PD13 — GPIO / alternate functions |
| Broche 91 | PD14 — GPIO / alternate functions |
| Broche 92 | PD15 — GPIO / alternate functions |
| Broche 93 | PA0 — GPIO / ADC input / WKUP |
| Broche 94 | PA1 — GPIO / ADC input |
| Broche 95 | PA2 — GPIO / USART2_TX |
| Broche 96 | PA3 — GPIO / USART2_RX |
| Broche 97 | VSS — Ground |
| Broche 98 | VDD — Digital power supply |
| Broche 99 | PA4 — GPIO / DAC_OUT1 |
| Broche 100 | PA5 — GPIO / DAC_OUT2 |
| Broche 101 | PA6 — GPIO / ADC input |
| Broche 102 | PA7 — GPIO / ADC input |
| Broche 103 | PC4 — GPIO / ADC input |
| Broche 104 | PC5 — GPIO / ADC input |
| Broche 105 | PB0 — GPIO / ADC input |
| Broche 106 | PB1 — GPIO / ADC input |
| Broche 107 | PB2 — GPIO / alternate functions |
| Broche 108 | PB3 — GPIO / alternate functions |
| Broche 109 | PB4 — GPIO / alternate functions |
| Broche 110 | PB5 — GPIO / alternate functions |
| Broche 111 | PB6 — GPIO / alternate functions |
| Broche 112 | PB7 — GPIO / alternate functions |
| Broche 113 | BOOT0 — Boot mode selection |
| Broche 114 | PB8 — GPIO / alternate functions |
| Broche 115 | PB9 — GPIO / alternate functions |
| Broche 116 | PE7 — GPIO / alternate functions |
| Broche 117 | PE8 — GPIO / alternate functions |
| Broche 118 | PE9 — GPIO / alternate functions |
| Broche 119 | PE10 — GPIO / alternate functions |
| Broche 120 | PE11 — GPIO / alternate functions |
| Broche 121 | PE12 — GPIO / alternate functions |
| Broche 122 | PE13 — GPIO / alternate functions |
| Broche 123 | PE14 — GPIO / alternate functions |
| Broche 124 | PE15 — GPIO / alternate functions |
| Broche 125 | PB10 — GPIO / alternate functions |
| Broche 126 | PB11 — GPIO / alternate functions |
| Broche 127 | VSS — Ground |
| Broche 128 | VDD — Digital power supply |
| Broche 129 | PB12 — GPIO / alternate functions |
| Broche 130 | PB13 — GPIO / alternate functions |
| Broche 131 | PB14 — GPIO / alternate functions |
| Broche 132 | PB15 — GPIO / alternate functions |
| Broche 133 | PD8 — GPIO / alternate functions |
| Broche 134 | PD9 — GPIO / alternate functions |
| Broche 135 | PD10 — GPIO / alternate functions |
| Broche 136 | PD11 — GPIO / alternate functions |
| Broche 137 | PD12 — GPIO / alternate functions |
| Broche 138 | PD13 — GPIO / alternate functions |
| Broche 139 | PD14 — GPIO / alternate functions |
| Broche 140 | PD15 — GPIO / alternate functions |
| Broche 141 | PA0 — GPIO / ADC input / WKUP |
| Broche 142 | PA1 — GPIO / ADC input |
| Broche 143 | PA2 — GPIO / USART2_TX |
| Broche 144 | PA3 — GPIO / USART2_RX |
Applications typiques
STM32H7B3ZIT6 convient pour 6 applications: Industrial Automation, Human-Machine Interface (HMI), Motor Control, Audio Processing, IoT Gateway, Medical Devices.
Industrial Automation
The STM32H7B3ZIT6 is ideal for industrial automation controllers due to its high clock speed, rich communication interfaces (Ethernet, FDCAN, USART), and advanced timers for precise motor control. It can handle complex PLC logic, real-time control loops, and HMI interfaces simultaneously. The 2 MB flash allows storing large firmware and data logs, while the 1.4 MB SRAM supports large data buffers for industrial protocols. The device's robust operating temperature range (-40°C to +85°C) ensures reliability in factory environments. Its cryptographic acceleration enhances secure communication in industrial IoT applications.
Recommandé
Human-Machine Interface (HMI)
The STM32H7B3ZIT6 excels in HMI applications with its Chrom-ART Accelerator, which offloads 2D graphics rendering from the CPU, enabling smooth animations and responsive touch interfaces. The device supports external SDRAM via its flexible memory controller, allowing large frame buffers for high-resolution displays. The 280 MHz Cortex-M7 core handles complex UI logic and communication with ease. The device's rich peripheral set includes LTDC (LCD-TFT controller) and DSI host, simplifying display integration. The 2 MB flash provides ample storage for GUI assets and fonts. This makes it suitable for smart home panels, industrial HMIs, and medical devices.
Recommandé
Motor Control
The STM32H7B3ZIT6 is well-suited for motor control applications, including field-oriented control (FOC) of BLDC and PMSM motors. Its advanced timers generate complementary PWM signals with dead-time insertion, while the 16-bit ADC with 3.6 MSPS provides high-speed current sensing. The device's high clock speed ensures fast control loop execution, and the 2 MB flash allows storing complex control algorithms and safety routines. The FDCAN interface enables communication with industrial drives. The device's cryptographic acceleration can be used for secure firmware updates. The wide supply voltage range and industrial temperature range make it robust for motor drive environments.
Recommandé
Audio Processing
The STM32H7B3ZIT6 is capable of high-quality audio processing due to its high clock speed and DSP instructions. It can handle audio codecs, effects processing, and audio streaming. The device includes I2S interfaces for connecting audio codecs, and its DMA controllers enable efficient data transfer. The 1.4 MB SRAM allows buffering large audio samples, and the 2 MB flash can store audio data or firmware. The Chrom-ART Accelerator can be used for audio visualizations. The device's low-latency interrupt handling ensures real-time audio performance. This makes it suitable for audio interfaces, smart speakers, and professional audio equipment.
Recommandé
IoT Gateway
The STM32H7B3ZIT6 is an excellent choice for IoT gateways due to its Ethernet MAC, USB OTG, and multiple communication interfaces. It can aggregate data from various sensors and devices, process it locally, and transmit to the cloud via Ethernet or Wi-Fi (using external modules). The device's cryptographic acceleration ensures secure data transmission and firmware updates. The 2 MB flash and 1.4 MB SRAM provide ample resources for protocol stacks and data buffering. The device's low-power modes enable energy-efficient operation. This makes it suitable for smart building controllers, industrial IoT gateways, and edge computing nodes.
Recommandé
Medical Devices
The STM32H7B3ZIT6 is suitable for medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high performance enables real-time signal processing, while the rich peripheral set supports various sensors and displays. The device's cryptographic acceleration can secure patient data. The 2 MB flash allows storing complex algorithms and patient data logs. The device's reliability and long-term availability make it suitable for medical applications. The industrial temperature range ensures operation in clinical environments. The device's low-power modes are beneficial for battery-powered portable medical devices.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32H7B3ZIT6 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM32H7A3ZIT6 | STM32H7B0ZIT6 | STM32H743ZIT6 | STM32H753ZIT6 | STM32H750ZBT6 |
|---|---|---|---|---|---|---|
| Package | LQFP144 | LQFP144 | LQFP144 | LQFP144 | LQFP144 | LQFP144 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Max Clock Speed | 280 MHz | 280 MHz | 280 MHz | 480 MHz | 480 MHz | 480 MHz |
| Flash Memory | 2 MB | 2 MB | 2 MB | 2 MB | 2 MB | 128 KB |
| SRAM | 1.4 MB | 1.4 MB | 1.4 MB | 1 MB | 1 MB | 1 MB |
| Chrom-ART Accelerator | Yes | No | No | No | No | No |
| Ethernet MAC | Yes | Yes | Yes | Yes | Yes | Yes |
| Cryptographic Acceleration | Yes | Yes | Yes | Yes | Yes | Yes |
Principaux différenciateurs
- Chrom-ART Accelerator for 2D graphics (vs STM32H743ZIT6)
- Higher SRAM capacity (1.4 MB) (vs STM32H743ZIT6)
- Lower power consumption at 280 MHz (vs STM32H743ZIT6)
Notes de conception
The STM32H7B3ZIT6 requires a stable power supply. Use a 100nF decoupling capacitor on each VDD pin and a 4.7uF bulk capacitor on the main supply. The VDDA pin should be filtered with a ferrite bead and a 1uF capacitor to reduce analog noise. Ensure the supply voltage is within 1.62V to 3.6V. For low-power operation, the internal LDO can be bypassed by connecting VCAP pins to an external capacitor, but follow the datasheet recommendations.
For the LQFP144 package, ensure proper grounding and thermal relief. Use a solid ground plane and place vias near the ground pins. The exposed pad (if present) should be soldered to the ground plane for thermal dissipation. Keep high-speed traces short and avoid routing near the crystal oscillator pins. Follow the layout guidelines in the STM32H7 hardware development application note (AN4666).
A common pitfall is incorrect boot configuration. The BOOT0 pin must be set correctly to boot from flash, system memory, or SRAM. Also, ensure the HSE crystal is properly connected with load capacitors as specified in the datasheet. Do not exceed the absolute maximum ratings on any pin. For firmware development, use the STM32CubeH7 software package and STM32CubeProgrammer for flashing.
Informations de conformité
RoHS and REACH compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32H7A3ZIT6Q or other automotive-grade variants.
