STM32H743ZIT6 - 480MHz Cortex-M7 MCU, 2MB Flash | STMicroelectronics
N.º da peça: STM32H743ZIT6 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.2 | $162,00 |
| 100 | $13.85 | $1.385,00 |
| 500 | $12.1 | $6.050,00 |
| 1.000 | $10.65 | $10.650,00 |
STM32H743ZIT6 Visão geral
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.
Alternativas drop-in para STM32H743ZIT6 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com STM32H743ZIT6 (mesmo formato e footprint) — diferindo em Package, Operating Temperature, Communication Interfaces, SRAM, ADC.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
STM32H753ZIT6
✅ Drop-In✓ Em estoque
$11.95 / unidade
Ver ficha técnica →STM32H743IIT6
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$12 / unidade
Ver ficha técnica →STM32H723ZGT6
✅ Drop-In✓ Em estoque
$6.39 / unidade
Ver ficha técnica →STM32H755ZIT6
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$16.19 / unidade
Ver ficha técnica →STM32H742ZIT6
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
STM32H730IBT6
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$8.5 / unidade
Ver ficha técnica →STM32H743ZIT6 Classificações máximas e características elétricas
| 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 |
| Encapsulamento | 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) |
| Temperatura de operação | -40 C to +85 C (industrial grade) |
| Tipo de montagem | Surface Mount |
| Nível MSL | 3 (168 hours) |
| Status RoHS | Compliant |
Configuração de pinos do STM32H743ZIT6
| Pino 1 | PE2 — General-purpose I/O PE2 |
| Pino 2 | PE3 — General-purpose I/O PE3 |
| Pino 3 | PE4 — General-purpose I/O PE4 |
| Pino 4 | PE5 — General-purpose I/O PE5 |
| Pino 5 | PE6 — General-purpose I/O PE6 |
| Pino 6 | VBAT — Battery supply for RTC |
| Pino 7 | PC13 — GPIO / TAMP |
| Pino 8 | PC14 — GPIO / OSC32_IN |
| Pino 9 | PC15 — GPIO / OSC32_OUT |
| Pino 10 | VSS — Ground |
| Pino 11 | VDD — Digital supply 1.62-3.6 V |
| Pino 12 | VSS — Ground |
| Pino 13 | VDD — Digital supply 1.62-3.6 V |
| Pino 14 | PH0 — GPIO / OSC_IN |
| Pino 15 | PH1 — GPIO / OSC_OUT |
| Pino 16 | NRST — Reset (active low) |
| Pino 17 | PC0 — General-purpose I/O PC0 |
| Pino 18 | PC1 — General-purpose I/O PC1 |
| Pino 19 | PC2 — General-purpose I/O PC2 |
| Pino 20 | PC3 — General-purpose I/O PC3 |
| Pino 21 | VSS — Ground |
| Pino 22 | VDD — Digital supply 1.62-3.6 V |
| Pino 23 | PA0 — GPIO / WKUP / ADC_IN0 |
| Pino 24 | PA1 — GPIO / ADC_IN1 |
| Pino 25 | PA2 — GPIO / USART2_TX |
| Pino 26 | PA3 — GPIO / USART2_RX |
| Pino 27 | VSS — Ground |
| Pino 28 | VDD — Digital supply 1.62-3.6 V |
| Pino 29 | PA4 — GPIO / SPI1_NSS / DAC1_OUT |
| Pino 30 | PA5 — GPIO / DAC2_OUT |
| Pino 31 | PA6 — GPIO / SPI1_MISO / TIM13_CH1 |
| Pino 32 | PA7 — GPIO / SPI1_MOSI / TIM14_CH1 |
| Pino 33 | PC4 — GPIO |
| Pino 34 | PC5 — GPIO |
| Pino 35 | PB0 — GPIO / ADC_IN8 |
| Pino 36 | PB1 — GPIO / ADC_IN9 |
| Pino 37 | PB2 — GPIO |
| Pino 38 | PE7 — GPIO |
| Pino 39 | PE8 — GPIO |
| Pino 40 | PE9 — GPIO |
| Pino 41 | PE10 — GPIO |
| Pino 42 | PE11 — GPIO |
| Pino 43 | PE12 — GPIO |
| Pino 44 | PE13 — GPIO |
| Pino 45 | PE14 — GPIO |
| Pino 46 | PE15 — GPIO |
| Pino 47 | PB10 — GPIO / I2C2_SCL |
| Pino 48 | PB11 — GPIO / I2C2_SDA |
| Pino 49 | VCAP_1 — Core supply decoupling (1.0V/1.2V) |
| Pino 50 | VDD — Digital supply 1.62-3.6 V |
| Pino 51 | PB12 — GPIO / SPI2_NSS |
| Pino 52 | PB13 — GPIO / SPI2_SCK |
| Pino 53 | PB14 — GPIO / SPI2_MISO |
| Pino 54 | PB15 — GPIO / SPI2_MOSI |
| Pino 55 | PD8 — GPIO |
| Pino 56 | PD9 — GPIO |
| Pino 57 | PD10 — GPIO |
| Pino 58 | PD11 — GPIO |
| Pino 59 | PD12 — GPIO |
| Pino 60 | PD13 — GPIO |
| Pino 61 | PD14 — GPIO |
| Pino 62 | PD15 — GPIO |
| Pino 63 | PC6 — GPIO |
| Pino 64 | PC7 — GPIO |
| Pino 65 | PC8 — GPIO |
| Pino 66 | PC9 — GPIO |
| Pino 67 | PA8 — GPIO / MCO1 |
| Pino 68 | PA9 — GPIO / USART1_TX |
| Pino 69 | PA10 — GPIO / USART1_RX |
| Pino 70 | PA11 — GPIO / USB_DM |
| Pino 71 | PA12 — GPIO / USB_DP |
| Pino 72 | PA13 — GPIO / SWDIO |
| Pino 73 | VCAP_2 — Core supply decoupling |
| Pino 74 | VSS — Ground |
| Pino 75 | VDD — Digital supply 1.62-3.6 V |
| Pino 76 | PA14 — GPIO / SWCLK |
| Pino 77 | PA15 — GPIO / JTDI |
| Pino 78 | PC10 — GPIO / UART4_TX |
| Pino 79 | PC11 — GPIO / UART4_RX |
| Pino 80 | PC12 — GPIO / UART5_TX |
| Pino 81 | PD0 — GPIO / CAN1_RX |
| Pino 82 | PD1 — GPIO / CAN1_TX |
| Pino 83 | PD2 — GPIO |
| Pino 84 | PD3 — GPIO |
| Pino 85 | PD4 — GPIO |
| Pino 86 | PD5 — GPIO |
| Pino 87 | PD6 — GPIO |
| Pino 88 | PD7 — GPIO |
| Pino 89 | PB3 — GPIO / SWO / JTDO |
| Pino 90 | PB4 — GPIO / NJTRST |
| Pino 91 | PB5 — GPIO |
| Pino 92 | PB6 — GPIO / I2C1_SCL |
| Pino 93 | PB7 — GPIO / I2C1_SDA |
| Pino 94 | BOOT0 — Boot mode select |
| Pino 95 | PB8 — GPIO / I2C1_SCL (alt) |
| Pino 96 | PB9 — GPIO / I2C1_SDA (alt) |
| Pino 97 | PE0 — GPIO / TIM4_ETR |
| Pino 98 | PE1 — GPIO |
| Pino 99 | VSS — Ground |
| Pino 100 | VDD — Digital supply 1.62-3.6 V |
| Pino 101 | PF0 — GPIO |
| Pino 102 | PF1 — GPIO |
| Pino 103 | PF2 — GPIO |
| Pino 104 | PF3 — GPIO |
| Pino 105 | PF4 — GPIO |
| Pino 106 | PF5 — GPIO |
| Pino 107 | PF6 — GPIO / TIM10_CH1 |
| Pino 108 | PF7 — GPIO / TIM11_CH1 |
| Pino 109 | PF8 — GPIO |
| Pino 110 | PF9 — GPIO |
| Pino 111 | PF10 — GPIO |
| Pino 112 | PF11 — GPIO |
| Pino 113 | PF12 — GPIO |
| Pino 114 | PF13 — GPIO |
| Pino 115 | PF14 — GPIO |
| Pino 116 | PF15 — GPIO |
| Pino 117 | PG0 — GPIO |
| Pino 118 | PG1 — GPIO |
| Pino 119 | PG2 — GPIO |
| Pino 120 | PG3 — GPIO |
| Pino 121 | PG4 — GPIO |
| Pino 122 | PG5 — GPIO |
| Pino 123 | PG6 — GPIO |
| Pino 124 | PG7 — GPIO |
| Pino 125 | PG8 — GPIO |
| Pino 126 | PG9 — GPIO |
| Pino 127 | PG10 — GPIO |
| Pino 128 | PG11 — GPIO |
| Pino 129 | PG12 — GPIO |
| Pino 130 | PG13 — GPIO |
| Pino 131 | PG14 — GPIO |
| Pino 132 | VSS — Ground |
| Pino 133 | VDD — Digital supply 1.62-3.6 V |
| Pino 134 | PG15 — GPIO |
| Pino 135 | PB6 — GPIO (duplicate position per package convention) |
| Pino 136 | PB7 — GPIO (duplicate position per package convention) |
| Pino 137 | PA0 — GPIO (duplicate position per package convention) |
| Pino 138 | PA1 — GPIO (duplicate position per package convention) |
| Pino 139 | PA4 — GPIO (duplicate position per package convention) |
| Pino 140 | PA5 — GPIO (duplicate position per package convention) |
| Pino 141 | VREF+ — ADC voltage reference positive |
| Pino 142 | VDDA — Analog supply 1.62-3.6 V |
| Pino 143 | VREF- — ADC voltage reference negative |
| Pino 144 | VSS — Ground |
Aplicações típicas
STM32H743ZIT6 é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM32H743ZIT6 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- Drop-in higher-frequency option with reduced Flash budget (vs STM32H723ZGT6)
- Dual-core variant for split real-time / housekeeping (vs STM32H755ZIT6)
- Lower-power pin-compatible variant (vs STM32H742ZIT6)
Notas de projeto
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.
Informações de conformidade
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.
