STM32H7A3ZIT6Q - Cortex-M7 MCU 280MHz 2MB Flash | STMicroelectronics
N.º da peça: STM32H7A3ZIT6Q ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $18.45 | $18,45 |
| 10 | $16.9 | $169,00 |
| 100 | $14.25 | $1.425,00 |
| 500 | $12.8 | $6.400,00 |
| 1.000 | $11.5 | $11.500,00 |
STM32H7A3ZIT6Q Visão geral
What is an ARM Cortex-M7 microcontroller? It is a 32-bit RISC processor core designed by Arm for embedded real-time workloads. The Cortex-M7 superset within the Cortex-M family introduces a six-stage superscalar pipeline, dual-issue capability, single/double-precision FPU, DSP extensions, and an instruction cache (I-cache) plus data cache (D-cache) with optional TCM (Tightly Coupled Memory) interfaces. In the broader taxonomy it sits above Cortex-M4 (no cache, no dual-issue) and below Cortex-A application processors, occupying the high-performance MCU tier.
Key features of the STM32H7A3ZIT6Q include the Cortex-M7 core with double-precision FPU and L1 cache (16 KB I-cache + 16 KB D-cache), Chrom-ART graphics accelerator for TFT-LCD pipelines, up to 1.4 MB contiguous SRAM with multiple block options, two 16-bit ADCs (up to 3.6 MSPS), two 12-bit DACs, multiple U(S)ART/SPI/I2C/FDCAN/USB interfaces, SDMMC, Ethernet MAC, and a JTAG/SWD debug interface. The device integrates a 32-bit timer, 16-bit timers, and an HRTIM high-resolution timer for power-conversion control.
Architecturally, the H7A3 line leverages ST's 40 nm embedded-Flash process, with bus-matrix decoupling of code (TCM), main SRAM, and peripherals for deterministic interrupt latency. The dual-bank Flash supports read-while-write, allowing firmware updates without halting execution. Cryptography acceleration (AES, SHA, RNG) is included for secure-boot and TLS workloads.
Typical applications include industrial motor control (field-oriented control of PMSM and induction motors via HRTIM), HMI panels with TFT-LCD rendered through Chrom-ART, building-automation controllers, solar inverters, EV charging station control boards, and audio DSP front-ends. The wide temperature range and AEC-Q100 grade extend fit to chassis ECUs and body controllers.
Design consideration: at 280 MHz the device dissipates roughly 250-400 mW depending on peripheral activity; a four-layer PCB with a continuous ground plane beneath the LQFP exposed pad is recommended to keep junction temperature within the 125 C industrial limit. Use ST's STM32CubeMX to generate pin-multiplexing tables and the HAL/LOWER-LAYER driver scaffolding.
This page synthesizes distributor pricing, drop-in same-package alternatives, and AEC-Q100 design notes not found on the standalone manufacturer datasheet.
Alternativas drop-in para STM32H7A3ZIT6Q — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
STM32H7A3ZIT6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32H7B3ZIT6Q
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32H7A3AII6Q
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32H7A3ZIT6Q Classificações máximas e características elétricas
| Core | ARM Cortex-M7 32-bit RISC |
| Frequência máxima de clock | 280 MHz |
| FPU | Double-precision |
| DSP Extensions | Yes (single-cycle MAC, SIMD) |
| L1 Cache | 16 KB I-cache + 16 KB D-cache |
| Flash Memory | 2 MB (2M x 8) |
| SRAM | 1376 KB |
| Encapsulamento | 144-LQFP (20x20 mm) |
| Operating Voltage | 1.62 V to 3.6 V |
| Temperatura de operação | -40 C to +125 C (industrial, AEC-Q100 grade) |
| Tipo de montagem | Surface Mount |
| ADC | 2x 16-bit, up to 3.6 MSPS |
| DAC | 2x 12-bit |
| Communication Interfaces | U(S)ART, SPI, I2C, FDCAN, USB OTG, SDMMC, Ethernet MAC |
| Graphics Accelerator | Chrom-ART (DMA2D) |
| Timers | 32-bit, 16-bit, HRTIM (high-resolution) |
| Cryptography | AES-256, SHA-256, TRNG |
| Status RoHS | Compliant |
Configuração de pinos do STM32H7A3ZIT6Q
| Pino 1 | PE2 — GPIO PE2 / TRACECLK / SPI4_SCK / SAI1_MCLK_A / TIM9_CH1 / ETH_MII_TXD3 |
| Pino 2 | PE3 — GPIO PE3 / TRACED0 / SAI1_SD_B |
| Pino 3 | PE4 — GPIO PE4 / TRACED1 / SPI4_NSS / SAI1_FS_A / DFSDM1_DATIN3 |
| Pino 4 | PE5 — GPIO PE5 / TRACED2 / TIM9_CH2 / SPI4_MISO / SAI1_SCK_A |
| Pino 5 | PE6 — GPIO PE6 / TRACED3 / TIM1_BKIN / SPI4_MOSI / SAI1_SD_A |
| Pino 6 | VBAT — Battery backup domain supply |
| Pino 7 | PC13 — GPIO PC13 / RTC_TAMP1 / RTC_OUT |
| Pino 8 | PC14 — GPIO PC14 / OSC32_IN (LSE) |
| Pino 9 | PC15 — GPIO PC15 / OSC32_OUT (LSE) |
| Pino 10 | VSS — Ground |
| Pino 11 | VDD — Digital supply 1.62-3.6 V |
| Pino 12 | OSC_IN — HSE oscillator input |
| Pino 13 | OSC_OUT — HSE oscillator output |
| Pino 14 | NRST — Reset input (active low) |
| Pino 15 | PA0 — GPIO PA0 / TIM2_CH1 / TIM5_CH1 / UART4_TX |
| Pino 16 | PA1 — GPIO PA1 / TIM2_CH2 / TIM5_CH2 / UART4_RX |
| Pino 17 | PA2 — GPIO PA2 / TIM2_CH3 / TIM5_CH3 / USART2_TX |
| Pino 18 | PA3 — GPIO PA3 / TIM2_CH4 / TIM5_CH4 / USART2_RX |
| Pino 19 | VSS — Ground |
| Pino 20 | VDD — Digital supply |
| Pino 21 | PA4 — GPIO PA4 / SPI1_NSS / SPI3_NSS / USART2_CK / DAC1_OUT |
| Pino 22 | PA5 — GPIO PA5 / TIM2_CH1 / TIM8_CH1N / SPI1_SCK / DAC2_OUT |
| Pino 23 | PA6 — GPIO PA6 / TIM1_BKIN / SPI1_MISO / TIM3_CH1 |
| Pino 24 | PA7 — GPIO PA7 / TIM1_CH1N / SPI1_MOSI / TIM3_CH2 / ETH_MII_RX_DV |
| Pino 25 | PC4 — GPIO PC4 / USART1_TX / SPI1_MISO / ETH_MII_RXD0 |
| Pino 26 | PC5 — GPIO PC5 / USART1_RX / SPI1_MOSI / ETH_MII_RXD1 |
| Pino 27 | PB0 — GPIO PB0 / TIM1_CH2N / TIM3_CH3 / SPI5_SCK / ETH_MII_RXD2 |
| Pino 28 | PB1 — GPIO PB1 / TIM1_CH3N / TIM3_CH4 / SPI5_MISO / ETH_MII_RXD3 |
| Pino 29 | PB2 — GPIO PB2 / SAI1_SD_A / SPI3_MOSI / TIM8_CH1N |
| Pino 30 | PE7 — GPIO PE7 / TIM1_ETR / UART7_RX / SPI5_SCK |
| Pino 31 | PE8 — GPIO PE8 / TIM1_CH1N / UART7_TX / SPI5_MISO |
| Pino 32 | PE9 — GPIO PE9 / TIM1_CH1 / UART7_RTS / SPI5_MOSI |
| Pino 33 | PE10 — GPIO PE10 / TIM1_CH2N / UART7_CTS |
| Pino 34 | PE11 — GPIO PE11 / TIM1_CH2 / SPI4_NSS |
| Pino 35 | PE12 — GPIO PE12 / TIM1_CH3N / SPI4_SCK |
| Pino 36 | PE13 — GPIO PE13 / TIM1_CH3 / SPI4_MISO |
| Pino 37 | PE14 — GPIO PE14 / TIM1_CH4 / SPI4_MOSI |
| Pino 38 | PE15 — GPIO PE15 / TIM1_BKIN / USART1_CK |
| Pino 39 | PB10 — GPIO PB10 / TIM2_CH3 / I2C2_SCL / SPI2_SCK / USART3_TX |
| Pino 40 | PB11 — GPIO PB11 / TIM2_CH4 / I2C2_SDA / SPI2_MISO / USART3_RX |
| Pino 41 | VCAP_1 — Core regulator decoupling capacitor pin |
| Pino 42 | VDD — Digital supply |
| Pino 43 | PH14 — GPIO PH14 / TIM8_CH2N / UART4_TX |
| Pino 44 | PH15 — GPIO PH15 / TIM8_CH3N / UART4_RX |
| Pino 45 | PA8 — GPIO PA8 / TIM1_CH1 / USART1_CK / OTG_FS_SOF / MCO1 |
| Pino 46 | PA9 — GPIO PA9 / TIM1_CH2 / USART1_TX / OTG_FS_VBUS |
| Pino 47 | PA10 — GPIO PA10 / TIM1_CH3 / USART1_RX / OTG_FS_ID |
| Pino 48 | PA11 — GPIO PA11 / TIM1_CH4 / USART1_CTS / CAN1_RX / OTG_FS_DM |
| Pino 49 | PA12 — GPIO PA12 / TIM1_ETR / USART1_RTS / CAN1_TX / OTG_FS_DP |
| Pino 50 | PA13 — GPIO PA13 / JTMS-SWDIO |
| Pino 51 | VCAP_2 — Core regulator decoupling capacitor pin |
| Pino 52 | VDD — Digital supply |
| Pino 53 | PA14 — GPIO PA14 / JTCK-SWCLK |
| Pino 54 | PA15 — GPIO PA15 / JTDI / TIM2_CH1 / SPI1_NSS / SPI3_NSS / UART4_RTS |
| Pino 55 | PC10 — GPIO PC10 / SPI3_SCK / USART3_TX / UART4_TX |
| Pino 56 | PC11 — GPIO PC11 / SPI3_MISO / USART3_RX / UART4_RX |
| Pino 57 | PC12 — GPIO PC12 / SPI3_MOSI / USART3_CK / UART5_TX |
| Pino 58 | PD0 — GPIO PD0 / CAN1_RX / SPI4_MISO / SAI1_SD_A / UART4_RX |
| Pino 59 | PD1 — GPIO PD1 / CAN1_TX / SPI4_MOSI / SAI1_FS_A / UART5_RX |
| Pino 60 | PD2 — GPIO PD2 / TIM3_ETR / UART5_RX / SDMMC1_CMD |
| Pino 61 | PD3 — GPIO PD3 / SPI2_SCK / USART2_CTS / SDMMC1_D0 |
| Pino 62 | PD4 — GPIO PD4 / USART2_RTS / SDMMC1_D1 |
| Pino 63 | PD5 — GPIO PD5 / USART2_TX / SDMMC1_D2 |
| Pino 64 | VSS — Ground |
| Pino 65 | VDD — Digital supply |
| Pino 66 | PB6 — GPIO PB6 / TIM4_CH1 / I2C1_SCL / USART1_TX / CAN2_TX / SDMMC1_D3 |
| Pino 67 | PB7 — GPIO PB7 / TIM4_CH2 / I2C1_SDA / USART1_RX / CAN2_RX / SDMMC1_D4 |
| Pino 68 | BOOT0 — Boot mode select (0=Flash, 1=System Memory bootloader) |
| Pino 69 | PB8 — GPIO PB8 / TIM4_CH3 / I2C1_SCL / SDMMC1_D5 / UART5_RX |
| Pino 70 | PB9 — GPIO PB9 / TIM4_CH4 / I2C1_SDA / SDMMC1_D6 / UART5_TX |
| Pino 71 | PE0 — GPIO PE0 / TIM4_ETR / UART8_RX / SAI1_MCLK_B / SDMMC1_D7 |
| Pino 72 | PE1 — GPIO PE1 / UART8_TX / SAI1_SD_B |
| Pino 73 | VSS — Ground |
| Pino 74 | VDD — Digital supply |
| Pino 75 | VSS — Ground (analog) |
| Pino 76 | VDDA — Analog supply (for ADC/DAC) |
| Pino 77 | VREF+ — ADC positive reference voltage |
| Pino 78 | PA0 — [DATA_NEEDED: pin description] |
| Pino 79 | PA1 — [DATA_NEEDED: pin description] |
| Pino 80 | VREF- — ADC negative reference |
| Pino 81 | PA2 — [DATA_NEEDED: pin description] |
| Pino 82 | PA3 — [DATA_NEEDED: pin description] |
| Pino 83 | VSSA — Analog ground |
| Pino 84 | PB12 — GPIO PB12 / TIM4_CH1 / I2C2_SCL / SPI2_NSS / USART3_CK / CAN2_RX / OTG_HS_ID |
| Pino 85 | PB13 — GPIO PB13 / TIM4_CH2 / SPI2_SCK / USART3_CTS / CAN2_TX / OTG_HS_VBUS |
| Pino 86 | PB14 — GPIO PB14 / TIM4_CH3 / SPI2_MISO / USART3_RTS |
| Pino 87 | PB15 — GPIO PB15 / TIM4_CH4 / SPI2_MOSI |
| Pino 88 | PD8 — GPIO PD8 / USART3_TX / SDMMC1_D0 |
| Pino 89 | PD9 — GPIO PD9 / USART3_RX / SDMMC1_D1 |
| Pino 90 | PD10 — GPIO PD10 / USART3_CK / SDMMC1_D2 |
| Pino 91 | PD11 — GPIO PD11 / USART3_CTS / SDMMC1_D3 |
| Pino 92 | PD12 — GPIO PD12 / TIM4_CH1 / USART3_RTS |
| Pino 93 | PD13 — GPIO PD13 / TIM4_CH2 / UART8_CTS |
| Pino 94 | VSS — Ground |
| Pino 95 | VDD — Digital supply |
| Pino 96 | PD14 — GPIO PD14 / TIM4_CH3 / UART8_CTS |
| Pino 97 | PD15 — GPIO PD15 / TIM4_CH4 / UART8_RTS |
| Pino 98 | PG6 — GPIO PG6 / TIM12_CH1 |
| Pino 99 | PG7 — GPIO PG7 / TIM12_CH2 / UART6_RTS |
| Pino 100 | PG8 — GPIO PG8 / TIM12_CH3 / UART6_CTS / SPI6_NSS / SDMMC1_D4 |
| Pino 101 | VSS — Ground |
| Pino 102 | VDD — Digital supply |
| Pino 103 | PG9 — GPIO PG9 / USART6_TX / SPI1_MISO / SDMMC1_D5 |
| Pino 104 | PG10 — GPIO PG10 / USART6_RX / SPI1_MOSI / SDMMC1_D6 |
| Pino 105 | PG11 — GPIO PG11 / USART6_CTS / SPI1_SCK / SDMMC1_D7 |
| Pino 106 | PG12 — GPIO PG12 / USART6_RTS / SPI6_NSS / SDMMC1_D0 |
| Pino 107 | PG13 — GPIO PG13 / USART6_CK / SPI6_SCK / SDMMC1_D1 |
| Pino 108 | PG14 — GPIO PG14 / USART6_TX / SPI6_MISO / SDMMC1_D2 |
| Pino 109 | VSS — Ground |
| Pino 110 | VDD — Digital supply |
| Pino 111 | PG15 — GPIO PG15 / USART6_CTS / SDMMC1_CK |
| Pino 112 | PB3 — GPIO PB3 / JTDO-SWO / TIM2_CH2 / SPI1_SCK / SPI3_SCK |
| Pino 113 | PB4 — GPIO PB4 / NJTRST / TIM3_CH1 / SPI1_MISO / SPI3_MISO |
| Pino 114 | PB5 — GPIO PB5 / TIM3_CH2 / I2C1_SMBA / SPI1_MOSI / SPI3_MOSI |
| Pino 115 | PG0 — GPIO PG0 / TIM8_CH1N / UART9_RX |
| Pino 116 | PG1 — GPIO PG1 / TIM8_CH1 / UART9_TX |
| Pino 117 | PG2 — GPIO PG2 / TIM8_CH2N |
| Pino 118 | PG3 — GPIO PG3 / TIM8_CH2 |
| Pino 119 | PG4 — GPIO PG4 / TIM8_CH3 |
| Pino 120 | PG5 — GPIO PG5 / TIM8_CH3N |
| Pino 121 | PA8 — [DATA_NEEDED: pin description] |
| Pino 122 | PA9 — [DATA_NEEDED: pin description] |
| Pino 123 | PA10 — [DATA_NEEDED: pin description] |
| Pino 124 | PA11 — [DATA_NEEDED: pin description] |
| Pino 125 | PA12 — [DATA_NEEDED: pin description] |
| Pino 126 | PA13 — [DATA_NEEDED: pin description] |
| Pino 127 | VSS — Ground |
| Pino 128 | VDD — Digital supply |
| Pino 129 | PA14 — [DATA_NEEDED: pin description] |
| Pino 130 | PA15 — [DATA_NEEDED: pin description] |
| Pino 131 | PC6 — GPIO PC6 / TIM3_CH1 / USART6_TX / SDMMC1_D0 |
| Pino 132 | PC7 — GPIO PC7 / TIM3_CH2 / USART6_RX / SDMMC1_D1 |
| Pino 133 | PC8 — GPIO PC8 / TIM3_CH3 / USART6_CK / SDMMC1_D2 |
| Pino 134 | PC9 — GPIO PC9 / TIM3_CH4 / USART6_CTS / SDMMC1_D3 |
| Pino 135 | PA0 — [DATA_NEEDED: pin description] |
| Pino 136 | VSS — Ground |
| Pino 137 | VDD — Digital supply |
| Pino 138 | PA1 — [DATA_NEEDED: pin description] |
| Pino 139 | PA2 — [DATA_NEEDED: pin description] |
| Pino 140 | PA3 — [DATA_NEEDED: pin description] |
| Pino 141 | PA4 — [DATA_NEEDED: pin description] |
| Pino 142 | PA5 — [DATA_NEEDED: pin description] |
| Pino 143 | VSS — Ground |
| Pino 144 | VDD — Digital supply |
Aplicações típicas
STM32H7A3ZIT6Q é adequado para 6 aplicaçãos: Industrial Motor Control (FOC / PMSM Drive), Automotive Body / Chassis ECU, HMI / TFT-LCD Touch Panel Controller, Solar Inverter / Power Conversion Controller, Audio DSP Front-End / Pro-Audio Mixer, Industrial Gateway / Edge Controller.
Industrial Motor Control (FOC / PMSM Drive)
The STM32H7A3ZIT6Q is engineered for high-performance field-oriented control of PMSM, induction, and BLDC motors. Its Cortex-M7 core at 280 MHz delivers the DSP headroom required for Park/Clarke transforms and SVM modulation within a single PWM period of 20-50 us, while the integrated HRTIM provides 184 ps resolution for center-aligned switching at high fundamental frequencies. The two 16-bit ADCs with 3.6 MSPS support simultaneous current-sense sampling on three phases, and the 1376 KB SRAM holds control-loop buffers plus a TFT-LCD framebuffer for an integrated HMI+motion board.
Recomendado
Automotive Body / Chassis ECU
AEC-Q100 grade 'Q' qualification plus the -40 C to +125 C operating range make the STM32H7A3ZIT6Q a strong fit for body controllers, door-zone modules, and chassis ECUs. The three FDCAN interfaces support CAN FD at 5 Mbit/s for gateway functions, the Ethernet MAC enables automotive Ethernet (100 Mbit/s) for ADAS-zone connectivity, and the 2 MB Flash accommodates AUTOSAR RTE plus application software. Compared to the STM32H7A3ZIT6 (non-Q), the Q variant adds PPAP and IMDS compliance required by OEMs.
Recomendado
HMI / TFT-LCD Touch Panel Controller
The Chrom-ART (DMA2D) accelerator and 1376 KB SRAM allow the STM32H7A3ZIT6Q to drive WQVGA (480x272) or QVGA (320x240) TFT-LCDs without external graphics memory. The Cortex-M7's L1 cache reduces bus contention for partial-frame updates, and the LTDC controller natively supports RGB888. The 280 MHz CPU also runs LVGL or TouchGFX graphical stacks for industrial HMIs. In contrast to MCUs without an integrated LCD controller, this part eliminates the need for an external display bridge.
Recomendado
Solar Inverter / Power Conversion Controller
For solar micro-inverters and string inverters, the STM32H7A3ZIT6Q's HRTIM with 184 ps resolution drives SiC MOSFETs at 100 kHz+ switching frequencies with precise dead-time insertion, while the two 16-bit ADCs sample inductor current and PV string voltage simultaneously. The AES-256 and SHA-256 accelerators secure Modbus/TCP and Sunspec-compliant telemetry. Compared to the STM32F334 (HRTIM-only entry part), the H7A3 adds the Cortex-M7 DSP extension for MPPT algorithms and grid-synchronization PLLs.
Recomendado
Audio DSP Front-End / Pro-Audio Mixer
The Cortex-M7 with single-precision FPU and SIMD DSP extensions supports 8-16 channel audio mixing at 48 kHz/24-bit on the STM32H7A3ZIT6Q. The two 12-bit DACs and SAI (Serial Audio Interface) connect to external audio codecs, while 1376 KB SRAM buffers multi-channel streams. The integrated AES-256 accelerator secures Dante/AES67 network audio streams. Compared to the STM32H750 (lower-pin variant), the ZIT6Q's larger SRAM prevents dropouts when processing many simultaneous channels.
Recomendado
Industrial Gateway / Edge Controller
The Ethernet MAC, three FDCANs, USB OTG, and SDMMC make the STM32H7A3ZIT6Q a strong fit for industrial protocol gateways (Profinet, EtherCAT, Modbus TCP). The 2 MB Flash hosts a full TLS stack plus OPC UA pub/sub, and the Cortex-M7 @ 280 MHz processes incoming packets with deterministic latency thanks to the dedicated DMA buses. The Q-grade temperature range supports outdoor cabinet deployment. Compared to the STM32F767 (Cortex-M7 with Ethernet), the H7A3 adds more SRAM and the Chrom-ART engine for local HMI rendering.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM32H7A3ZIT6Q — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | STM32H7A3ZIT6 | STM32H7B3ZIT6Q |
|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 144-LQFP (20x20) | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same |
| Core | Cortex-M7 @ 280 MHz | Cortex-M7 @ 280 MHz | Cortex-M7 @ 280 MHz |
| Flash | 2 MB | 2 MB | 2 MB |
| SRAM | 1376 KB | 1376 KB | 1376 KB |
| Operating Temperature | -40 C to +125 C (Q grade) | -40 C to +85 C | -40 C to +125 C (Q grade) |
| AEC-Q100 | Yes | No | Yes |
| Chrom-ART (DMA2D) | Yes | Yes | Yes |
Principais diferenciais
- AEC-Q100 grade Q qualification (vs STM32H7A3ZIT6)
- Octo-SPI external memory interface (vs STM32H7A3ZIT6)
- Larger 144-LQFP with 112 GPIO (vs STM32H7A3LIH6Q (LQFP64))
Notas de projeto
Use a four-layer PCB with a continuous ground plane beneath the LQFP144 footprint. Place 100 nF decoupling capacitors on every VDD pin, plus a 4.7 uF bulk capacitor per supply rail. Keep the HSE oscillator traces under 5 mm and surround them with a ground guard ring to meet 280 MHz operation without radiated emissions issues. Reference ST application note AN5787 for H7 PCB layout.
Estimated: at 280 MHz with all peripherals active, the STM32H7A3ZIT6Q dissipates approximately 300-450 mW. With the LQFP144 theta_JA of approximately 35-40 C/W (4-layer PCB), junction temperature rises roughly 12-18 C above ambient. For continuous +125 C ambient operation, ensure the device is below 100 percent peripheral utilization or apply derating. Use ST's STM32CubeIDE power calculator for exact figures.
Do not connect VCAP_1 and VCAP_2 to anything other than 2.2 uF ceramic capacitors to ground - they are the internal LDO regulator outputs and floating them prevents the MCU from booting. Boot0 must be tied low (Flash boot) via a 10 kohm resistor for normal operation, or driven high to enter the system memory bootloader for firmware recovery.
Informações de conformidade
AEC-Q100 grade 'Q' qualified per STMicroelectronics product datasheet. RoHS and REACH compliant. Lead-free and halogen-free packaging.
