STM32H743ZIT6 - 480MHz Cortex-M7 MCU, 2MB Flash | STMicroelectronics
MPN: STM32H743ZIT6 ✓ Hoạt độngSTM32H743ZIT6 Tóm tắt
A microcontroller (MCU) is a compact integrated circuit that combines a processor core, on-chip memory, and programmable input/output peripherals on a single die. The STM32H743ZIT6 belongs to the STM32H7 series, ST's flagship performance tier of the broader STM32 family of 32-bit ARM Cortex microcontrollers, sitting above STM32F7/F4 parts and below the dual-core STM32H747/H757 lines.
Key features include the 480 MHz Cortex-M7 core with double-precision FPU, 2 MB of Flash, 1 MB of SRAM (including 64 KB of DTCM and AXI SRAM), three 12-bit ADCs at 3.6 MSPS, two 12-bit DACs, and advanced timers with hardware quadrature decoding. Connectivity interfaces include up to 35 communication peripherals - USART, SPI, I2C, CAN FD, USB OTG, and Ethernet MAC - plus a Chrom-ART graphics accelerator, hardware AES/SHA crypto accelerator, and true random number generator.
Architecturally, the device integrates a 16 KB instruction cache and 16 KB data cache, a memory protection unit (MPU), and a flexible external memory controller (FMC) supporting SDRAM, NOR, and NAND Flash. Multiple low-power modes - Sleep, Stop, and Standby - minimize quiescent current for battery-powered designs.
Typical applications include industrial motor control (FOC drives, robotics), medical instrumentation, audio processing (DSP effects, USB speakers), high-end consumer HMI, and secure IoT edge nodes. The 480 MHz core plus L1 cache gives 2.14 DMIPS/MHz and DSP instructions that meet demanding real-time loops.
When designing with this MCU, follow ST's PCB layout recommendations: isolate VDDA analog supply with a ferrite bead, place 100 nF + 4.7 µF decoupling close to every supply pin, and reserve a low-impedance ground plane beneath the LQFP-144 footprint to manage 480 MHz return currents.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that complement the ST datasheet, giving engineers a single reference for evaluating the STM32H743ZIT6.
Bộ thay thế dễ dàng lắp đặt cho STM32H743ZIT6 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với STM32H743ZIT6 (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Communication Interfaces, SRAM, ADC.
STM32H753ZIT6
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →STM32H743IIT6
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →STM32H723ZGT6
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →STM32H755ZIT6
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →STM32H742ZIT6
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
STM32H730IBT6
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →STM32H743ZIT6 Tỷ lệ tối đa & tính chất điện
| Core Architecture | ARM Cortex-M7 with double-precision FPU |
| Maximum Clock Speed | 480 MHz |
| Flash Memory | 2 MB |
| SRAM | 1 MB (includes 64 KB DTCM + AXI SRAM) |
| Instruction Cache | 16 KB |
| Data Cache | 16 KB |
| Hộp | LQFP-144 (20x20 mm) |
| Operating Voltage | 1.62 V to 3.6 V |
| ADC | 3x 12-bit, up to 3.6 MSPS |
| DAC | 2x 12-bit |
| Timers | Advanced-control, general-purpose, basic; HRTIM |
| Communication Interfaces | USART, SPI, I2C, CAN FD, USB OTG, Ethernet MAC, SDMMC |
| Graphics Accelerator | Chrom-ART (DMA2D) |
| Cryptography | AES, SHA, TRNG (hardware) |
| Nhiệt độ hoạt động | -40 C to +85 C (industrial grade) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 (168 hours) |
| Trạng thái RoHS | Compliant |
Cấu hình chân STM32H743ZIT6
| Chân 1 | PE2 — General-purpose I/O PE2 |
| Chân 2 | PE3 — General-purpose I/O PE3 |
| Chân 3 | PE4 — General-purpose I/O PE4 |
| Chân 4 | PE5 — General-purpose I/O PE5 |
| Chân 5 | PE6 — General-purpose I/O PE6 |
| Chân 6 | VBAT — Battery supply for RTC |
| Chân 7 | PC13 — GPIO / TAMP |
| Chân 8 | PC14 — GPIO / OSC32_IN |
| Chân 9 | PC15 — GPIO / OSC32_OUT |
| Chân 10 | VSS — Ground |
| Chân 11 | VDD — Digital supply 1.62-3.6 V |
| Chân 12 | VSS — Ground |
| Chân 13 | VDD — Digital supply 1.62-3.6 V |
| Chân 14 | PH0 — GPIO / OSC_IN |
| Chân 15 | PH1 — GPIO / OSC_OUT |
| Chân 16 | NRST — Reset (active low) |
| Chân 17 | PC0 — General-purpose I/O PC0 |
| Chân 18 | PC1 — General-purpose I/O PC1 |
| Chân 19 | PC2 — General-purpose I/O PC2 |
| Chân 20 | PC3 — General-purpose I/O PC3 |
| Chân 21 | VSS — Ground |
| Chân 22 | VDD — Digital supply 1.62-3.6 V |
| Chân 23 | PA0 — GPIO / WKUP / ADC_IN0 |
| Chân 24 | PA1 — GPIO / ADC_IN1 |
| Chân 25 | PA2 — GPIO / USART2_TX |
| Chân 26 | PA3 — GPIO / USART2_RX |
| Chân 27 | VSS — Ground |
| Chân 28 | VDD — Digital supply 1.62-3.6 V |
| Chân 29 | PA4 — GPIO / SPI1_NSS / DAC1_OUT |
| Chân 30 | PA5 — GPIO / DAC2_OUT |
| Chân 31 | PA6 — GPIO / SPI1_MISO / TIM13_CH1 |
| Chân 32 | PA7 — GPIO / SPI1_MOSI / TIM14_CH1 |
| Chân 33 | PC4 — GPIO |
| Chân 34 | PC5 — GPIO |
| Chân 35 | PB0 — GPIO / ADC_IN8 |
| Chân 36 | PB1 — GPIO / ADC_IN9 |
| Chân 37 | PB2 — GPIO |
| Chân 38 | PE7 — GPIO |
| Chân 39 | PE8 — GPIO |
| Chân 40 | PE9 — GPIO |
| Chân 41 | PE10 — GPIO |
| Chân 42 | PE11 — GPIO |
| Chân 43 | PE12 — GPIO |
| Chân 44 | PE13 — GPIO |
| Chân 45 | PE14 — GPIO |
| Chân 46 | PE15 — GPIO |
| Chân 47 | PB10 — GPIO / I2C2_SCL |
| Chân 48 | PB11 — GPIO / I2C2_SDA |
| Chân 49 | VCAP_1 — Core supply decoupling (1.0V/1.2V) |
| Chân 50 | VDD — Digital supply 1.62-3.6 V |
| Chân 51 | PB12 — GPIO / SPI2_NSS |
| Chân 52 | PB13 — GPIO / SPI2_SCK |
| Chân 53 | PB14 — GPIO / SPI2_MISO |
| Chân 54 | PB15 — GPIO / SPI2_MOSI |
| Chân 55 | PD8 — GPIO |
| Chân 56 | PD9 — GPIO |
| Chân 57 | PD10 — GPIO |
| Chân 58 | PD11 — GPIO |
| Chân 59 | PD12 — GPIO |
| Chân 60 | PD13 — GPIO |
| Chân 61 | PD14 — GPIO |
| Chân 62 | PD15 — GPIO |
| Chân 63 | PC6 — GPIO |
| Chân 64 | PC7 — GPIO |
| Chân 65 | PC8 — GPIO |
| Chân 66 | PC9 — GPIO |
| Chân 67 | PA8 — GPIO / MCO1 |
| Chân 68 | PA9 — GPIO / USART1_TX |
| Chân 69 | PA10 — GPIO / USART1_RX |
| Chân 70 | PA11 — GPIO / USB_DM |
| Chân 71 | PA12 — GPIO / USB_DP |
| Chân 72 | PA13 — GPIO / SWDIO |
| Chân 73 | VCAP_2 — Core supply decoupling |
| Chân 74 | VSS — Ground |
| Chân 75 | VDD — Digital supply 1.62-3.6 V |
| Chân 76 | PA14 — GPIO / SWCLK |
| Chân 77 | PA15 — GPIO / JTDI |
| Chân 78 | PC10 — GPIO / UART4_TX |
| Chân 79 | PC11 — GPIO / UART4_RX |
| Chân 80 | PC12 — GPIO / UART5_TX |
| Chân 81 | PD0 — GPIO / CAN1_RX |
| Chân 82 | PD1 — GPIO / CAN1_TX |
| Chân 83 | PD2 — GPIO |
| Chân 84 | PD3 — GPIO |
| Chân 85 | PD4 — GPIO |
| Chân 86 | PD5 — GPIO |
| Chân 87 | PD6 — GPIO |
| Chân 88 | PD7 — GPIO |
| Chân 89 | PB3 — GPIO / SWO / JTDO |
| Chân 90 | PB4 — GPIO / NJTRST |
| Chân 91 | PB5 — GPIO |
| Chân 92 | PB6 — GPIO / I2C1_SCL |
| Chân 93 | PB7 — GPIO / I2C1_SDA |
| Chân 94 | BOOT0 — Boot mode select |
| Chân 95 | PB8 — GPIO / I2C1_SCL (alt) |
| Chân 96 | PB9 — GPIO / I2C1_SDA (alt) |
| Chân 97 | PE0 — GPIO / TIM4_ETR |
| Chân 98 | PE1 — GPIO |
| Chân 99 | VSS — Ground |
| Chân 100 | VDD — Digital supply 1.62-3.6 V |
| Chân 101 | PF0 — GPIO |
| Chân 102 | PF1 — GPIO |
| Chân 103 | PF2 — GPIO |
| Chân 104 | PF3 — GPIO |
| Chân 105 | PF4 — GPIO |
| Chân 106 | PF5 — GPIO |
| Chân 107 | PF6 — GPIO / TIM10_CH1 |
| Chân 108 | PF7 — GPIO / TIM11_CH1 |
| Chân 109 | PF8 — GPIO |
| Chân 110 | PF9 — GPIO |
| Chân 111 | PF10 — GPIO |
| Chân 112 | PF11 — GPIO |
| Chân 113 | PF12 — GPIO |
| Chân 114 | PF13 — GPIO |
| Chân 115 | PF14 — GPIO |
| Chân 116 | PF15 — GPIO |
| Chân 117 | PG0 — GPIO |
| Chân 118 | PG1 — GPIO |
| Chân 119 | PG2 — GPIO |
| Chân 120 | PG3 — GPIO |
| Chân 121 | PG4 — GPIO |
| Chân 122 | PG5 — GPIO |
| Chân 123 | PG6 — GPIO |
| Chân 124 | PG7 — GPIO |
| Chân 125 | PG8 — GPIO |
| Chân 126 | PG9 — GPIO |
| Chân 127 | PG10 — GPIO |
| Chân 128 | PG11 — GPIO |
| Chân 129 | PG12 — GPIO |
| Chân 130 | PG13 — GPIO |
| Chân 131 | PG14 — GPIO |
| Chân 132 | VSS — Ground |
| Chân 133 | VDD — Digital supply 1.62-3.6 V |
| Chân 134 | PG15 — GPIO |
| Chân 135 | PB6 — GPIO (duplicate position per package convention) |
| Chân 136 | PB7 — GPIO (duplicate position per package convention) |
| Chân 137 | PA0 — GPIO (duplicate position per package convention) |
| Chân 138 | PA1 — GPIO (duplicate position per package convention) |
| Chân 139 | PA4 — GPIO (duplicate position per package convention) |
| Chân 140 | PA5 — GPIO (duplicate position per package convention) |
| Chân 141 | VREF+ — ADC voltage reference positive |
| Chân 142 | VDDA — Analog supply 1.62-3.6 V |
| Chân 143 | VREF- — ADC voltage reference negative |
| Chân 144 | VSS — Ground |
Ứng dụng tiêu biểu
STM32H743ZIT6 phù hợp cho 6 Áp dụngs: Industrial Motor Control and FOC Drives, Medical Instrumentation and Diagnostic Devices, Audio Processing and USB Speaker Systems, Industrial HMI and Touchscreen HMIs, Robotics and Drone Flight Controllers, Secure IoT Edge and Connected Devices.
Industrial Motor Control and FOC Drives
The STM32H743ZIT6 is a strong fit for industrial motor control thanks to its 480 MHz Cortex-M7 core, high-resolution timer (HRTIM) capable of sub-100 ns PWM edges, and three 12-bit ADCs at 3.6 MSPS that sample phase currents with minimal latency. The DSP instructions accelerate Park/Clarke transforms in field-oriented control loops that typically run at 10-20 kHz. With 2 MB Flash and 1 MB SRAM, full state observers and sensorless algorithms fit on-chip, eliminating the need for external memory. Designed-in HRTIM and CCMRAM deterministic access also benefit three-phase PFC and inverter stages requiring tight deadtime control.
Được đề xuất
Medical Instrumentation and Diagnostic Devices
The STM32H743ZIT6's combination of 480 MHz CPU, double-precision FPU, and DSP extensions makes it well-suited for medical signal processing such as ECG, pulse oximetry, and digital stethoscope front-ends. The three 3.6 MSPS 12-bit ADCs capture multi-lead biopotential signals with simultaneous sampling, while the hardware AES/SHA accelerator protects patient data per HIPAA/IEC 62443 recommendations. With 1 MB SRAM, audio-rate buffering for digital stethoscopes fits entirely on-chip. Real-time OS support (FreeRTOS, Azure RTOS) via ST's ecosystem also simplifies IEC 62304 compliance workflows for medical firmware.
Được đề xuất
Audio Processing and USB Speaker Systems
Audio products benefit from the STM32H743ZIT6's DSP capabilities, with single-cycle MAC instructions enabling real-time effects processing such as EQ, reverb, and active crossovers at 48 kHz/24-bit. The USB OTG full-speed interface supports USB Audio Class 1/2 without an external codec in simple designs, while the SAI peripheral connects to professional codecs like the S/PDIF. 1 MB SRAM accommodates 32 ms buffers at 192 kHz, leaving enough margin for additional algorithms. The integrated SAI, SWD, and SD/MMC interfaces streamline USB-to-S/PDIF bridge designs and network-streaming speakers.
Được đề xuất
Industrial HMI and Touchscreen HMIs
The STM32H743ZIT6's Chrom-ART DMA2D graphics accelerator and LTDC display controller handle 480x272 to 800x480 TFT panels at 60 Hz without external memory, while the 480 MHz core drives LVGL-based UIs with sub-frame latency. 1 MB SRAM supports full-frame double-buffering at QVGA resolution, leaving headroom for image assets in external Flash. The SDMMC and QSPI peripherals allow cost-effective asset storage. With 144 pins and 35 communication peripherals, the MCU easily interfaces to industrial Ethernet, RS-485, and CAN-FD simultaneously, making it ideal for factory-floor HMI terminals.
Được đề xuất
Robotics and Drone Flight Controllers
Quad-rotor flight controllers and small robotics benefit from the STM32H743ZIT6's 480 MHz performance with deterministic CCMRAM access for low-latency control loops. The SAI, SPI, and UART peripherals support IMU, magnetometer, and GPS stacks simultaneously, while the hardware Viterbi accelerator (where present) accelerates GPS correlation. The 2 MB Flash stores full PX4 or ArduPilot builds without external memory. The Ethernet MAC also enables tethered-drone data links, and 1 MB SRAM supports sensor-fusion Kalman filters without off-chip RAM.
Được đề xuất
Secure IoT Edge and Connected Devices
The STM32H743ZIT6 suits secure IoT edge nodes requiring on-device cryptography. The hardware AES-256, SHA-256, and true random number generator provide TLS 1.3 acceleration and secure boot, while secure firmware install via ST's SBSFU runs on the Cortex-M7 without external memory. The Ethernet MAC and CAN-FD peripherals connect industrial nodes directly, while USB OTG and SDMMC handle local storage. Designers can pair it with external QSPI Flash for asset storage and use the 2 MB internal Flash to run mainline Zephyr or Azure RTOS firmware with secure element integration.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho STM32H743ZIT6 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | STM32H753ZIT6 | STM32H723ZGT6 | STM32H755ZIT6 | STM32H742ZIT6 | STM32H743IIT6 |
|---|---|---|---|---|---|---|
| Package | LQFP-144 (20x20 mm) | LQFP-144 (20x20 mm) - same | LQFP-144 (20x20 mm) - same | LQFP-144 (20x20 mm) - same | LQFP-144 (20x20 mm) - same | LQFP-176 (24x24 mm) - expanded |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Maximum Clock Speed | 480 MHz | 480 MHz | 550 MHz | 480 MHz (M7) + 240 MHz (M4) | 200 MHz | 480 MHz |
| Flash Memory | 2 MB | 2 MB | 1 MB | 2 MB | 2 MB | 2 MB |
| SRAM | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB |
| Crypto Accelerator | AES, SHA, TRNG (software lib) | AES, SHA, TRNG (hardware accelerator) | AES, SHA, TRNG (hardware accelerator) | AES, SHA, TRNG (hardware accelerator) | AES, SHA, TRNG (software lib) | AES, SHA, TRNG (software lib) |
| Core Count | Single-core Cortex-M7 | Single-core Cortex-M7 | Single-core Cortex-M7 | Dual-core (M7 + M4) | Single-core Cortex-M7 | Single-core Cortex-M7 |
| Chrom-ART DMA2D | Yes | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Drop-in higher-frequency option with reduced Flash budget (vsSTM32H723ZGT6)
- Dual-core variant for split real-time / housekeeping (vsSTM32H755ZIT6)
- Lower-power pin-compatible variant (vsSTM32H742ZIT6)
Ghi chú thiết kế
Estimated: at 480 MHz with all peripherals active, the core draws roughly 70 mA from VCAP_1 / VCAP_2. Decouple each VCAP pin with a 2.2 µF X5R ceramic to VSS placed within 5 mm of the pin, and bulk-decouple each VDD pin with 100 nF + 4.7 µF. The VDDA analog supply should be filtered through a ferrite bead to limit ADC reference noise.
Estimated: at 480 MHz and 1.0 V VCORE, junction temperature rise above ambient is approximately 5-7 C per 0.1 W of internal dissipation in a 4-layer PCB. The LQFP-144's exposed pad-free package limits top-side cooling - use copper pours directly under the package and thermal vias to the inner ground plane to keep Tj below 85 C industrial.
Place 100 nF decoupling capacitors next to every VDD pin and one 4.7 µF bulk cap per power domain. Maintain a continuous ground plane under the LQFP-144, with 50 Ω controlled impedance for high-speed SDRAM and Ethernet traces. Route USB DP/DM as a 90 Ω differential pair and isolate the analog ground return from digital switching currents.
Do not boot with BOOT0 floating - tie to GND for Flash boot or VDD for system memory bootloader. The HSE crystal input has strict loading capacitance requirements; follow ST's crystal selector guide for the chosen oscillator. Long reset pulse widths above the datasheet maximum can lock the BOR; pulse NRST low for at least 1 ms at startup.
Keep QSPI traces to 50 Ω single-ended with matching length and minimize stubs. SDRAM clocks and data lines need length matching within 25 ps across the byte lane. Place the 32.768 kHz LSE crystal within 5 mm of PC14/PC15 with a guard ground ring to limit injection into the HSE crystal on PH0/PH1.
Thông tin tuân thủ
RoHS and REACH compliance per ST product page. AEC-Q100 not applicable - this part targets industrial/consumer. Conflict-mineral policy disclosed at ST corporate compliance page.
