STM32H7A3ZIT6Q - Cortex-M7 MCU 280MHz 2MB Flash | STMicroelectronics
MPN: STM32H7A3ZIT6Q ✓ Hoạt độngSTM32H7A3ZIT6Q Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho STM32H7A3ZIT6Q — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
STM32H7A3ZIT6
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32H7B3ZIT6Q
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32H7A3AII6Q
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32H7A3ZIT6Q Tỷ lệ tối đa & tính chất điện
| Core | ARM Cortex-M7 32-bit RISC |
| Tần số xung maksimum | 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 |
| Hộp | 144-LQFP (20x20 mm) |
| Operating Voltage | 1.62 V to 3.6 V |
| Nhiệt độ hoạt động | -40 C to +125 C (industrial, AEC-Q100 grade) |
| Kiểu lắp đặt | 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 |
| Trạng thái RoHS | Compliant |
Cấu hình chân STM32H7A3ZIT6Q
| Chân 1 | PE2 — GPIO PE2 / TRACECLK / SPI4_SCK / SAI1_MCLK_A / TIM9_CH1 / ETH_MII_TXD3 |
| Chân 2 | PE3 — GPIO PE3 / TRACED0 / SAI1_SD_B |
| Chân 3 | PE4 — GPIO PE4 / TRACED1 / SPI4_NSS / SAI1_FS_A / DFSDM1_DATIN3 |
| Chân 4 | PE5 — GPIO PE5 / TRACED2 / TIM9_CH2 / SPI4_MISO / SAI1_SCK_A |
| Chân 5 | PE6 — GPIO PE6 / TRACED3 / TIM1_BKIN / SPI4_MOSI / SAI1_SD_A |
| Chân 6 | VBAT — Battery backup domain supply |
| Chân 7 | PC13 — GPIO PC13 / RTC_TAMP1 / RTC_OUT |
| Chân 8 | PC14 — GPIO PC14 / OSC32_IN (LSE) |
| Chân 9 | PC15 — GPIO PC15 / OSC32_OUT (LSE) |
| Chân 10 | VSS — Ground |
| Chân 11 | VDD — Digital supply 1.62-3.6 V |
| Chân 12 | OSC_IN — HSE oscillator input |
| Chân 13 | OSC_OUT — HSE oscillator output |
| Chân 14 | NRST — Reset input (active low) |
| Chân 15 | PA0 — GPIO PA0 / TIM2_CH1 / TIM5_CH1 / UART4_TX |
| Chân 16 | PA1 — GPIO PA1 / TIM2_CH2 / TIM5_CH2 / UART4_RX |
| Chân 17 | PA2 — GPIO PA2 / TIM2_CH3 / TIM5_CH3 / USART2_TX |
| Chân 18 | PA3 — GPIO PA3 / TIM2_CH4 / TIM5_CH4 / USART2_RX |
| Chân 19 | VSS — Ground |
| Chân 20 | VDD — Digital supply |
| Chân 21 | PA4 — GPIO PA4 / SPI1_NSS / SPI3_NSS / USART2_CK / DAC1_OUT |
| Chân 22 | PA5 — GPIO PA5 / TIM2_CH1 / TIM8_CH1N / SPI1_SCK / DAC2_OUT |
| Chân 23 | PA6 — GPIO PA6 / TIM1_BKIN / SPI1_MISO / TIM3_CH1 |
| Chân 24 | PA7 — GPIO PA7 / TIM1_CH1N / SPI1_MOSI / TIM3_CH2 / ETH_MII_RX_DV |
| Chân 25 | PC4 — GPIO PC4 / USART1_TX / SPI1_MISO / ETH_MII_RXD0 |
| Chân 26 | PC5 — GPIO PC5 / USART1_RX / SPI1_MOSI / ETH_MII_RXD1 |
| Chân 27 | PB0 — GPIO PB0 / TIM1_CH2N / TIM3_CH3 / SPI5_SCK / ETH_MII_RXD2 |
| Chân 28 | PB1 — GPIO PB1 / TIM1_CH3N / TIM3_CH4 / SPI5_MISO / ETH_MII_RXD3 |
| Chân 29 | PB2 — GPIO PB2 / SAI1_SD_A / SPI3_MOSI / TIM8_CH1N |
| Chân 30 | PE7 — GPIO PE7 / TIM1_ETR / UART7_RX / SPI5_SCK |
| Chân 31 | PE8 — GPIO PE8 / TIM1_CH1N / UART7_TX / SPI5_MISO |
| Chân 32 | PE9 — GPIO PE9 / TIM1_CH1 / UART7_RTS / SPI5_MOSI |
| Chân 33 | PE10 — GPIO PE10 / TIM1_CH2N / UART7_CTS |
| Chân 34 | PE11 — GPIO PE11 / TIM1_CH2 / SPI4_NSS |
| Chân 35 | PE12 — GPIO PE12 / TIM1_CH3N / SPI4_SCK |
| Chân 36 | PE13 — GPIO PE13 / TIM1_CH3 / SPI4_MISO |
| Chân 37 | PE14 — GPIO PE14 / TIM1_CH4 / SPI4_MOSI |
| Chân 38 | PE15 — GPIO PE15 / TIM1_BKIN / USART1_CK |
| Chân 39 | PB10 — GPIO PB10 / TIM2_CH3 / I2C2_SCL / SPI2_SCK / USART3_TX |
| Chân 40 | PB11 — GPIO PB11 / TIM2_CH4 / I2C2_SDA / SPI2_MISO / USART3_RX |
| Chân 41 | VCAP_1 — Core regulator decoupling capacitor pin |
| Chân 42 | VDD — Digital supply |
| Chân 43 | PH14 — GPIO PH14 / TIM8_CH2N / UART4_TX |
| Chân 44 | PH15 — GPIO PH15 / TIM8_CH3N / UART4_RX |
| Chân 45 | PA8 — GPIO PA8 / TIM1_CH1 / USART1_CK / OTG_FS_SOF / MCO1 |
| Chân 46 | PA9 — GPIO PA9 / TIM1_CH2 / USART1_TX / OTG_FS_VBUS |
| Chân 47 | PA10 — GPIO PA10 / TIM1_CH3 / USART1_RX / OTG_FS_ID |
| Chân 48 | PA11 — GPIO PA11 / TIM1_CH4 / USART1_CTS / CAN1_RX / OTG_FS_DM |
| Chân 49 | PA12 — GPIO PA12 / TIM1_ETR / USART1_RTS / CAN1_TX / OTG_FS_DP |
| Chân 50 | PA13 — GPIO PA13 / JTMS-SWDIO |
| Chân 51 | VCAP_2 — Core regulator decoupling capacitor pin |
| Chân 52 | VDD — Digital supply |
| Chân 53 | PA14 — GPIO PA14 / JTCK-SWCLK |
| Chân 54 | PA15 — GPIO PA15 / JTDI / TIM2_CH1 / SPI1_NSS / SPI3_NSS / UART4_RTS |
| Chân 55 | PC10 — GPIO PC10 / SPI3_SCK / USART3_TX / UART4_TX |
| Chân 56 | PC11 — GPIO PC11 / SPI3_MISO / USART3_RX / UART4_RX |
| Chân 57 | PC12 — GPIO PC12 / SPI3_MOSI / USART3_CK / UART5_TX |
| Chân 58 | PD0 — GPIO PD0 / CAN1_RX / SPI4_MISO / SAI1_SD_A / UART4_RX |
| Chân 59 | PD1 — GPIO PD1 / CAN1_TX / SPI4_MOSI / SAI1_FS_A / UART5_RX |
| Chân 60 | PD2 — GPIO PD2 / TIM3_ETR / UART5_RX / SDMMC1_CMD |
| Chân 61 | PD3 — GPIO PD3 / SPI2_SCK / USART2_CTS / SDMMC1_D0 |
| Chân 62 | PD4 — GPIO PD4 / USART2_RTS / SDMMC1_D1 |
| Chân 63 | PD5 — GPIO PD5 / USART2_TX / SDMMC1_D2 |
| Chân 64 | VSS — Ground |
| Chân 65 | VDD — Digital supply |
| Chân 66 | PB6 — GPIO PB6 / TIM4_CH1 / I2C1_SCL / USART1_TX / CAN2_TX / SDMMC1_D3 |
| Chân 67 | PB7 — GPIO PB7 / TIM4_CH2 / I2C1_SDA / USART1_RX / CAN2_RX / SDMMC1_D4 |
| Chân 68 | BOOT0 — Boot mode select (0=Flash, 1=System Memory bootloader) |
| Chân 69 | PB8 — GPIO PB8 / TIM4_CH3 / I2C1_SCL / SDMMC1_D5 / UART5_RX |
| Chân 70 | PB9 — GPIO PB9 / TIM4_CH4 / I2C1_SDA / SDMMC1_D6 / UART5_TX |
| Chân 71 | PE0 — GPIO PE0 / TIM4_ETR / UART8_RX / SAI1_MCLK_B / SDMMC1_D7 |
| Chân 72 | PE1 — GPIO PE1 / UART8_TX / SAI1_SD_B |
| Chân 73 | VSS — Ground |
| Chân 74 | VDD — Digital supply |
| Chân 75 | VSS — Ground (analog) |
| Chân 76 | VDDA — Analog supply (for ADC/DAC) |
| Chân 77 | VREF+ — ADC positive reference voltage |
| Chân 78 | PA0 — [DATA_NEEDED: pin description] |
| Chân 79 | PA1 — [DATA_NEEDED: pin description] |
| Chân 80 | VREF- — ADC negative reference |
| Chân 81 | PA2 — [DATA_NEEDED: pin description] |
| Chân 82 | PA3 — [DATA_NEEDED: pin description] |
| Chân 83 | VSSA — Analog ground |
| Chân 84 | PB12 — GPIO PB12 / TIM4_CH1 / I2C2_SCL / SPI2_NSS / USART3_CK / CAN2_RX / OTG_HS_ID |
| Chân 85 | PB13 — GPIO PB13 / TIM4_CH2 / SPI2_SCK / USART3_CTS / CAN2_TX / OTG_HS_VBUS |
| Chân 86 | PB14 — GPIO PB14 / TIM4_CH3 / SPI2_MISO / USART3_RTS |
| Chân 87 | PB15 — GPIO PB15 / TIM4_CH4 / SPI2_MOSI |
| Chân 88 | PD8 — GPIO PD8 / USART3_TX / SDMMC1_D0 |
| Chân 89 | PD9 — GPIO PD9 / USART3_RX / SDMMC1_D1 |
| Chân 90 | PD10 — GPIO PD10 / USART3_CK / SDMMC1_D2 |
| Chân 91 | PD11 — GPIO PD11 / USART3_CTS / SDMMC1_D3 |
| Chân 92 | PD12 — GPIO PD12 / TIM4_CH1 / USART3_RTS |
| Chân 93 | PD13 — GPIO PD13 / TIM4_CH2 / UART8_CTS |
| Chân 94 | VSS — Ground |
| Chân 95 | VDD — Digital supply |
| Chân 96 | PD14 — GPIO PD14 / TIM4_CH3 / UART8_CTS |
| Chân 97 | PD15 — GPIO PD15 / TIM4_CH4 / UART8_RTS |
| Chân 98 | PG6 — GPIO PG6 / TIM12_CH1 |
| Chân 99 | PG7 — GPIO PG7 / TIM12_CH2 / UART6_RTS |
| Chân 100 | PG8 — GPIO PG8 / TIM12_CH3 / UART6_CTS / SPI6_NSS / SDMMC1_D4 |
| Chân 101 | VSS — Ground |
| Chân 102 | VDD — Digital supply |
| Chân 103 | PG9 — GPIO PG9 / USART6_TX / SPI1_MISO / SDMMC1_D5 |
| Chân 104 | PG10 — GPIO PG10 / USART6_RX / SPI1_MOSI / SDMMC1_D6 |
| Chân 105 | PG11 — GPIO PG11 / USART6_CTS / SPI1_SCK / SDMMC1_D7 |
| Chân 106 | PG12 — GPIO PG12 / USART6_RTS / SPI6_NSS / SDMMC1_D0 |
| Chân 107 | PG13 — GPIO PG13 / USART6_CK / SPI6_SCK / SDMMC1_D1 |
| Chân 108 | PG14 — GPIO PG14 / USART6_TX / SPI6_MISO / SDMMC1_D2 |
| Chân 109 | VSS — Ground |
| Chân 110 | VDD — Digital supply |
| Chân 111 | PG15 — GPIO PG15 / USART6_CTS / SDMMC1_CK |
| Chân 112 | PB3 — GPIO PB3 / JTDO-SWO / TIM2_CH2 / SPI1_SCK / SPI3_SCK |
| Chân 113 | PB4 — GPIO PB4 / NJTRST / TIM3_CH1 / SPI1_MISO / SPI3_MISO |
| Chân 114 | PB5 — GPIO PB5 / TIM3_CH2 / I2C1_SMBA / SPI1_MOSI / SPI3_MOSI |
| Chân 115 | PG0 — GPIO PG0 / TIM8_CH1N / UART9_RX |
| Chân 116 | PG1 — GPIO PG1 / TIM8_CH1 / UART9_TX |
| Chân 117 | PG2 — GPIO PG2 / TIM8_CH2N |
| Chân 118 | PG3 — GPIO PG3 / TIM8_CH2 |
| Chân 119 | PG4 — GPIO PG4 / TIM8_CH3 |
| Chân 120 | PG5 — GPIO PG5 / TIM8_CH3N |
| Chân 121 | PA8 — [DATA_NEEDED: pin description] |
| Chân 122 | PA9 — [DATA_NEEDED: pin description] |
| Chân 123 | PA10 — [DATA_NEEDED: pin description] |
| Chân 124 | PA11 — [DATA_NEEDED: pin description] |
| Chân 125 | PA12 — [DATA_NEEDED: pin description] |
| Chân 126 | PA13 — [DATA_NEEDED: pin description] |
| Chân 127 | VSS — Ground |
| Chân 128 | VDD — Digital supply |
| Chân 129 | PA14 — [DATA_NEEDED: pin description] |
| Chân 130 | PA15 — [DATA_NEEDED: pin description] |
| Chân 131 | PC6 — GPIO PC6 / TIM3_CH1 / USART6_TX / SDMMC1_D0 |
| Chân 132 | PC7 — GPIO PC7 / TIM3_CH2 / USART6_RX / SDMMC1_D1 |
| Chân 133 | PC8 — GPIO PC8 / TIM3_CH3 / USART6_CK / SDMMC1_D2 |
| Chân 134 | PC9 — GPIO PC9 / TIM3_CH4 / USART6_CTS / SDMMC1_D3 |
| Chân 135 | PA0 — [DATA_NEEDED: pin description] |
| Chân 136 | VSS — Ground |
| Chân 137 | VDD — Digital supply |
| Chân 138 | PA1 — [DATA_NEEDED: pin description] |
| Chân 139 | PA2 — [DATA_NEEDED: pin description] |
| Chân 140 | PA3 — [DATA_NEEDED: pin description] |
| Chân 141 | PA4 — [DATA_NEEDED: pin description] |
| Chân 142 | PA5 — [DATA_NEEDED: pin description] |
| Chân 143 | VSS — Ground |
| Chân 144 | VDD — Digital supply |
Ứng dụng tiêu biểu
STM32H7A3ZIT6Q phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho STM32H7A3ZIT6Q — 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 | 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 |
Bảo phân biệt quan trọng
- AEC-Q100 grade Q qualification (vsSTM32H7A3ZIT6)
- Octo-SPI external memory interface (vsSTM32H7A3ZIT6)
- Larger 144-LQFP with 112 GPIO (vsSTM32H7A3LIH6Q (LQFP64))
Ghi chú thiết kế
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.
Thông tin tuân thủ
AEC-Q100 grade 'Q' qualified per STMicroelectronics product datasheet. RoHS and REACH compliant. Lead-free and halogen-free packaging.
