STM32H7B3ZIT6 - 280MHz Cortex-M7 MCU, 2MB Flash | STMicroelectronics
料号： STM32H7B3ZIT6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： STM32H7B3ZIT6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32H7B3ZIT6 （相同外形与封装尺寸） ——差异在于 ADC, Operating Temperature, Package, DAC, Communication Interfaces.
快速对比工具——选择替代料号进行并排对比：
STM32H7A3ZIT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32H7B0ZIT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32H743ZIT6
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$10.65 / 个
查看数据手册 →STM32H753ZIT6
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$11.95 / 个
查看数据手册 →STM32H750ZBT6
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$7.2 / 个
查看数据手册 →STM32H7B3ZIT6 最大额定值与电气特性
| Core | Arm Cortex-M7 |
| Max Clock Speed | 280 MHz |
| Flash Memory | 2 MB |
| SRAM | 1.4 MB |
| 封装 | LQFP144 (20x20 mm) |
| 电源电压 | 1.62 V to 3.6 V |
| 工作温度 | -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 |
| RoHS 状态 | Compliant |
STM32H7B3ZIT6 引脚配置
| 引脚 1 | PE2 — GPIO / alternate functions |
| 引脚 2 | PE3 — GPIO / alternate functions |
| 引脚 3 | PE4 — GPIO / alternate functions |
| 引脚 4 | PE5 — GPIO / alternate functions |
| 引脚 5 | PE6 — GPIO / alternate functions |
| 引脚 6 | VBAT — Backup battery supply |
| 引脚 7 | PC13 — GPIO / RTC tamper |
| 引脚 8 | PC14 — GPIO / OSC32_IN |
| 引脚 9 | PC15 — GPIO / OSC32_OUT |
| 引脚 10 | PF0 — GPIO / alternate functions |
| 引脚 11 | PF1 — GPIO / alternate functions |
| 引脚 12 | PF2 — GPIO / alternate functions |
| 引脚 13 | PF3 — GPIO / alternate functions |
| 引脚 14 | PF4 — GPIO / alternate functions |
| 引脚 15 | PF5 — GPIO / alternate functions |
| 引脚 16 | PF6 — GPIO / alternate functions |
| 引脚 17 | PF7 — GPIO / alternate functions |
| 引脚 18 | PF8 — GPIO / alternate functions |
| 引脚 19 | PF9 — GPIO / alternate functions |
| 引脚 20 | PF10 — GPIO / alternate functions |
| 引脚 21 | VSS — Ground |
| 引脚 22 | VDD — Digital power supply |
| 引脚 23 | PF11 — GPIO / alternate functions |
| 引脚 24 | PF12 — GPIO / alternate functions |
| 引脚 25 | PF13 — GPIO / alternate functions |
| 引脚 26 | PF14 — GPIO / alternate functions |
| 引脚 27 | PF15 — GPIO / alternate functions |
| 引脚 28 | PG0 — GPIO / alternate functions |
| 引脚 29 | PG1 — GPIO / alternate functions |
| 引脚 30 | PG2 — GPIO / alternate functions |
| 引脚 31 | PG3 — GPIO / alternate functions |
| 引脚 32 | PG4 — GPIO / alternate functions |
| 引脚 33 | PG5 — GPIO / alternate functions |
| 引脚 34 | PG6 — GPIO / alternate functions |
| 引脚 35 | PG7 — GPIO / alternate functions |
| 引脚 36 | PG8 — GPIO / alternate functions |
| 引脚 37 | PG9 — GPIO / alternate functions |
| 引脚 38 | PG10 — GPIO / alternate functions |
| 引脚 39 | PG11 — GPIO / alternate functions |
| 引脚 40 | PG12 — GPIO / alternate functions |
| 引脚 41 | PG13 — GPIO / alternate functions |
| 引脚 42 | PG14 — GPIO / alternate functions |
| 引脚 43 | PG15 — GPIO / alternate functions |
| 引脚 44 | VSS — Ground |
| 引脚 45 | VDD — Digital power supply |
| 引脚 46 | PH0 — GPIO / OSC_IN |
| 引脚 47 | PH1 — GPIO / OSC_OUT |
| 引脚 48 | NRST — Reset (active low) |
| 引脚 49 | PC0 — GPIO / ADC input |
| 引脚 50 | PC1 — GPIO / ADC input |
| 引脚 51 | PC2 — GPIO / ADC input |
| 引脚 52 | PC3 — GPIO / ADC input |
| 引脚 53 | VSSA — Analog ground |
| 引脚 54 | VDDA — Analog power supply |
| 引脚 55 | PC4 — GPIO / ADC input |
| 引脚 56 | PC5 — GPIO / ADC input |
| 引脚 57 | PB0 — GPIO / ADC input |
| 引脚 58 | PB1 — GPIO / ADC input |
| 引脚 59 | PB2 — GPIO / alternate functions |
| 引脚 60 | PB3 — GPIO / alternate functions |
| 引脚 61 | PB4 — GPIO / alternate functions |
| 引脚 62 | PB5 — GPIO / alternate functions |
| 引脚 63 | PB6 — GPIO / alternate functions |
| 引脚 64 | PB7 — GPIO / alternate functions |
| 引脚 65 | BOOT0 — Boot mode selection |
| 引脚 66 | PB8 — GPIO / alternate functions |
| 引脚 67 | PB9 — GPIO / alternate functions |
| 引脚 68 | PE7 — GPIO / alternate functions |
| 引脚 69 | PE8 — GPIO / alternate functions |
| 引脚 70 | PE9 — GPIO / alternate functions |
| 引脚 71 | PE10 — GPIO / alternate functions |
| 引脚 72 | PE11 — GPIO / alternate functions |
| 引脚 73 | PE12 — GPIO / alternate functions |
| 引脚 74 | PE13 — GPIO / alternate functions |
| 引脚 75 | PE14 — GPIO / alternate functions |
| 引脚 76 | PE15 — GPIO / alternate functions |
| 引脚 77 | PB10 — GPIO / alternate functions |
| 引脚 78 | PB11 — GPIO / alternate functions |
| 引脚 79 | VSS — Ground |
| 引脚 80 | VDD — Digital power supply |
| 引脚 81 | PB12 — GPIO / alternate functions |
| 引脚 82 | PB13 — GPIO / alternate functions |
| 引脚 83 | PB14 — GPIO / alternate functions |
| 引脚 84 | PB15 — GPIO / alternate functions |
| 引脚 85 | PD8 — GPIO / alternate functions |
| 引脚 86 | PD9 — GPIO / alternate functions |
| 引脚 87 | PD10 — GPIO / alternate functions |
| 引脚 88 | PD11 — GPIO / alternate functions |
| 引脚 89 | PD12 — GPIO / alternate functions |
| 引脚 90 | PD13 — GPIO / alternate functions |
| 引脚 91 | PD14 — GPIO / alternate functions |
| 引脚 92 | PD15 — GPIO / alternate functions |
| 引脚 93 | PA0 — GPIO / ADC input / WKUP |
| 引脚 94 | PA1 — GPIO / ADC input |
| 引脚 95 | PA2 — GPIO / USART2_TX |
| 引脚 96 | PA3 — GPIO / USART2_RX |
| 引脚 97 | VSS — Ground |
| 引脚 98 | VDD — Digital power supply |
| 引脚 99 | PA4 — GPIO / DAC_OUT1 |
| 引脚 100 | PA5 — GPIO / DAC_OUT2 |
| 引脚 101 | PA6 — GPIO / ADC input |
| 引脚 102 | PA7 — GPIO / ADC input |
| 引脚 103 | PC4 — GPIO / ADC input |
| 引脚 104 | PC5 — GPIO / ADC input |
| 引脚 105 | PB0 — GPIO / ADC input |
| 引脚 106 | PB1 — GPIO / ADC input |
| 引脚 107 | PB2 — GPIO / alternate functions |
| 引脚 108 | PB3 — GPIO / alternate functions |
| 引脚 109 | PB4 — GPIO / alternate functions |
| 引脚 110 | PB5 — GPIO / alternate functions |
| 引脚 111 | PB6 — GPIO / alternate functions |
| 引脚 112 | PB7 — GPIO / alternate functions |
| 引脚 113 | BOOT0 — Boot mode selection |
| 引脚 114 | PB8 — GPIO / alternate functions |
| 引脚 115 | PB9 — GPIO / alternate functions |
| 引脚 116 | PE7 — GPIO / alternate functions |
| 引脚 117 | PE8 — GPIO / alternate functions |
| 引脚 118 | PE9 — GPIO / alternate functions |
| 引脚 119 | PE10 — GPIO / alternate functions |
| 引脚 120 | PE11 — GPIO / alternate functions |
| 引脚 121 | PE12 — GPIO / alternate functions |
| 引脚 122 | PE13 — GPIO / alternate functions |
| 引脚 123 | PE14 — GPIO / alternate functions |
| 引脚 124 | PE15 — GPIO / alternate functions |
| 引脚 125 | PB10 — GPIO / alternate functions |
| 引脚 126 | PB11 — GPIO / alternate functions |
| 引脚 127 | VSS — Ground |
| 引脚 128 | VDD — Digital power supply |
| 引脚 129 | PB12 — GPIO / alternate functions |
| 引脚 130 | PB13 — GPIO / alternate functions |
| 引脚 131 | PB14 — GPIO / alternate functions |
| 引脚 132 | PB15 — GPIO / alternate functions |
| 引脚 133 | PD8 — GPIO / alternate functions |
| 引脚 134 | PD9 — GPIO / alternate functions |
| 引脚 135 | PD10 — GPIO / alternate functions |
| 引脚 136 | PD11 — GPIO / alternate functions |
| 引脚 137 | PD12 — GPIO / alternate functions |
| 引脚 138 | PD13 — GPIO / alternate functions |
| 引脚 139 | PD14 — GPIO / alternate functions |
| 引脚 140 | PD15 — GPIO / alternate functions |
| 引脚 141 | PA0 — GPIO / ADC input / WKUP |
| 引脚 142 | PA1 — GPIO / ADC input |
| 引脚 143 | PA2 — GPIO / USART2_TX |
| 引脚 144 | PA3 — GPIO / USART2_RX |
典型应用
STM32H7B3ZIT6 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： STM32H7B3ZIT6 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Chrom-ART Accelerator for 2D graphics （对比 STM32H743ZIT6)
- Higher SRAM capacity (1.4 MB) （对比 STM32H743ZIT6)
- Lower power consumption at 280 MHz （对比 STM32H743ZIT6)
设计说明
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.
合规信息
RoHS and REACH compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32H7A3ZIT6Q or other automotive-grade variants.
