STM32H7A3ZIT6Q - Cortex-M7 MCU 280MHz 2MB Flash | STMicroelectronics
MPN: STM32H7A3ZIT6Q ✓ فعالSTM32H7A3ZIT6Q نمای کلی
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.
جایگزین‌های drop-in برای STM32H7A3ZIT6Q — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
STM32H7A3ZIT6
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
STM32H7B3ZIT6Q
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
STM32H7A3AII6Q
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
STM32H7A3ZIT6Q حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core | ARM Cortex-M7 32-bit RISC |
| حداکثر فرکانس کلاک | 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 |
| بسته‌بندی | 144-LQFP (20x20 mm) |
| Operating Voltage | 1.62 V to 3.6 V |
| دمای کاری | -40 C to +125 C (industrial, AEC-Q100 grade) |
| نوع نصب | 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 |
| وضعیت RoHS | Compliant |
پیکربندی پین STM32H7A3ZIT6Q
| پین 1 | PE2 — GPIO PE2 / TRACECLK / SPI4_SCK / SAI1_MCLK_A / TIM9_CH1 / ETH_MII_TXD3 |
| پین 2 | PE3 — GPIO PE3 / TRACED0 / SAI1_SD_B |
| پین 3 | PE4 — GPIO PE4 / TRACED1 / SPI4_NSS / SAI1_FS_A / DFSDM1_DATIN3 |
| پین 4 | PE5 — GPIO PE5 / TRACED2 / TIM9_CH2 / SPI4_MISO / SAI1_SCK_A |
| پین 5 | PE6 — GPIO PE6 / TRACED3 / TIM1_BKIN / SPI4_MOSI / SAI1_SD_A |
| پین 6 | VBAT — Battery backup domain supply |
| پین 7 | PC13 — GPIO PC13 / RTC_TAMP1 / RTC_OUT |
| پین 8 | PC14 — GPIO PC14 / OSC32_IN (LSE) |
| پین 9 | PC15 — GPIO PC15 / OSC32_OUT (LSE) |
| پین 10 | VSS — Ground |
| پین 11 | VDD — Digital supply 1.62-3.6 V |
| پین 12 | OSC_IN — HSE oscillator input |
| پین 13 | OSC_OUT — HSE oscillator output |
| پین 14 | NRST — Reset input (active low) |
| پین 15 | PA0 — GPIO PA0 / TIM2_CH1 / TIM5_CH1 / UART4_TX |
| پین 16 | PA1 — GPIO PA1 / TIM2_CH2 / TIM5_CH2 / UART4_RX |
| پین 17 | PA2 — GPIO PA2 / TIM2_CH3 / TIM5_CH3 / USART2_TX |
| پین 18 | PA3 — GPIO PA3 / TIM2_CH4 / TIM5_CH4 / USART2_RX |
| پین 19 | VSS — Ground |
| پین 20 | VDD — Digital supply |
| پین 21 | PA4 — GPIO PA4 / SPI1_NSS / SPI3_NSS / USART2_CK / DAC1_OUT |
| پین 22 | PA5 — GPIO PA5 / TIM2_CH1 / TIM8_CH1N / SPI1_SCK / DAC2_OUT |
| پین 23 | PA6 — GPIO PA6 / TIM1_BKIN / SPI1_MISO / TIM3_CH1 |
| پین 24 | PA7 — GPIO PA7 / TIM1_CH1N / SPI1_MOSI / TIM3_CH2 / ETH_MII_RX_DV |
| پین 25 | PC4 — GPIO PC4 / USART1_TX / SPI1_MISO / ETH_MII_RXD0 |
| پین 26 | PC5 — GPIO PC5 / USART1_RX / SPI1_MOSI / ETH_MII_RXD1 |
| پین 27 | PB0 — GPIO PB0 / TIM1_CH2N / TIM3_CH3 / SPI5_SCK / ETH_MII_RXD2 |
| پین 28 | PB1 — GPIO PB1 / TIM1_CH3N / TIM3_CH4 / SPI5_MISO / ETH_MII_RXD3 |
| پین 29 | PB2 — GPIO PB2 / SAI1_SD_A / SPI3_MOSI / TIM8_CH1N |
| پین 30 | PE7 — GPIO PE7 / TIM1_ETR / UART7_RX / SPI5_SCK |
| پین 31 | PE8 — GPIO PE8 / TIM1_CH1N / UART7_TX / SPI5_MISO |
| پین 32 | PE9 — GPIO PE9 / TIM1_CH1 / UART7_RTS / SPI5_MOSI |
| پین 33 | PE10 — GPIO PE10 / TIM1_CH2N / UART7_CTS |
| پین 34 | PE11 — GPIO PE11 / TIM1_CH2 / SPI4_NSS |
| پین 35 | PE12 — GPIO PE12 / TIM1_CH3N / SPI4_SCK |
| پین 36 | PE13 — GPIO PE13 / TIM1_CH3 / SPI4_MISO |
| پین 37 | PE14 — GPIO PE14 / TIM1_CH4 / SPI4_MOSI |
| پین 38 | PE15 — GPIO PE15 / TIM1_BKIN / USART1_CK |
| پین 39 | PB10 — GPIO PB10 / TIM2_CH3 / I2C2_SCL / SPI2_SCK / USART3_TX |
| پین 40 | PB11 — GPIO PB11 / TIM2_CH4 / I2C2_SDA / SPI2_MISO / USART3_RX |
| پین 41 | VCAP_1 — Core regulator decoupling capacitor pin |
| پین 42 | VDD — Digital supply |
| پین 43 | PH14 — GPIO PH14 / TIM8_CH2N / UART4_TX |
| پین 44 | PH15 — GPIO PH15 / TIM8_CH3N / UART4_RX |
| پین 45 | PA8 — GPIO PA8 / TIM1_CH1 / USART1_CK / OTG_FS_SOF / MCO1 |
| پین 46 | PA9 — GPIO PA9 / TIM1_CH2 / USART1_TX / OTG_FS_VBUS |
| پین 47 | PA10 — GPIO PA10 / TIM1_CH3 / USART1_RX / OTG_FS_ID |
| پین 48 | PA11 — GPIO PA11 / TIM1_CH4 / USART1_CTS / CAN1_RX / OTG_FS_DM |
| پین 49 | PA12 — GPIO PA12 / TIM1_ETR / USART1_RTS / CAN1_TX / OTG_FS_DP |
| پین 50 | PA13 — GPIO PA13 / JTMS-SWDIO |
| پین 51 | VCAP_2 — Core regulator decoupling capacitor pin |
| پین 52 | VDD — Digital supply |
| پین 53 | PA14 — GPIO PA14 / JTCK-SWCLK |
| پین 54 | PA15 — GPIO PA15 / JTDI / TIM2_CH1 / SPI1_NSS / SPI3_NSS / UART4_RTS |
| پین 55 | PC10 — GPIO PC10 / SPI3_SCK / USART3_TX / UART4_TX |
| پین 56 | PC11 — GPIO PC11 / SPI3_MISO / USART3_RX / UART4_RX |
| پین 57 | PC12 — GPIO PC12 / SPI3_MOSI / USART3_CK / UART5_TX |
| پین 58 | PD0 — GPIO PD0 / CAN1_RX / SPI4_MISO / SAI1_SD_A / UART4_RX |
| پین 59 | PD1 — GPIO PD1 / CAN1_TX / SPI4_MOSI / SAI1_FS_A / UART5_RX |
| پین 60 | PD2 — GPIO PD2 / TIM3_ETR / UART5_RX / SDMMC1_CMD |
| پین 61 | PD3 — GPIO PD3 / SPI2_SCK / USART2_CTS / SDMMC1_D0 |
| پین 62 | PD4 — GPIO PD4 / USART2_RTS / SDMMC1_D1 |
| پین 63 | PD5 — GPIO PD5 / USART2_TX / SDMMC1_D2 |
| پین 64 | VSS — Ground |
| پین 65 | VDD — Digital supply |
| پین 66 | PB6 — GPIO PB6 / TIM4_CH1 / I2C1_SCL / USART1_TX / CAN2_TX / SDMMC1_D3 |
| پین 67 | PB7 — GPIO PB7 / TIM4_CH2 / I2C1_SDA / USART1_RX / CAN2_RX / SDMMC1_D4 |
| پین 68 | BOOT0 — Boot mode select (0=Flash, 1=System Memory bootloader) |
| پین 69 | PB8 — GPIO PB8 / TIM4_CH3 / I2C1_SCL / SDMMC1_D5 / UART5_RX |
| پین 70 | PB9 — GPIO PB9 / TIM4_CH4 / I2C1_SDA / SDMMC1_D6 / UART5_TX |
| پین 71 | PE0 — GPIO PE0 / TIM4_ETR / UART8_RX / SAI1_MCLK_B / SDMMC1_D7 |
| پین 72 | PE1 — GPIO PE1 / UART8_TX / SAI1_SD_B |
| پین 73 | VSS — Ground |
| پین 74 | VDD — Digital supply |
| پین 75 | VSS — Ground (analog) |
| پین 76 | VDDA — Analog supply (for ADC/DAC) |
| پین 77 | VREF+ — ADC positive reference voltage |
| پین 78 | PA0 — [DATA_NEEDED: pin description] |
| پین 79 | PA1 — [DATA_NEEDED: pin description] |
| پین 80 | VREF- — ADC negative reference |
| پین 81 | PA2 — [DATA_NEEDED: pin description] |
| پین 82 | PA3 — [DATA_NEEDED: pin description] |
| پین 83 | VSSA — Analog ground |
| پین 84 | PB12 — GPIO PB12 / TIM4_CH1 / I2C2_SCL / SPI2_NSS / USART3_CK / CAN2_RX / OTG_HS_ID |
| پین 85 | PB13 — GPIO PB13 / TIM4_CH2 / SPI2_SCK / USART3_CTS / CAN2_TX / OTG_HS_VBUS |
| پین 86 | PB14 — GPIO PB14 / TIM4_CH3 / SPI2_MISO / USART3_RTS |
| پین 87 | PB15 — GPIO PB15 / TIM4_CH4 / SPI2_MOSI |
| پین 88 | PD8 — GPIO PD8 / USART3_TX / SDMMC1_D0 |
| پین 89 | PD9 — GPIO PD9 / USART3_RX / SDMMC1_D1 |
| پین 90 | PD10 — GPIO PD10 / USART3_CK / SDMMC1_D2 |
| پین 91 | PD11 — GPIO PD11 / USART3_CTS / SDMMC1_D3 |
| پین 92 | PD12 — GPIO PD12 / TIM4_CH1 / USART3_RTS |
| پین 93 | PD13 — GPIO PD13 / TIM4_CH2 / UART8_CTS |
| پین 94 | VSS — Ground |
| پین 95 | VDD — Digital supply |
| پین 96 | PD14 — GPIO PD14 / TIM4_CH3 / UART8_CTS |
| پین 97 | PD15 — GPIO PD15 / TIM4_CH4 / UART8_RTS |
| پین 98 | PG6 — GPIO PG6 / TIM12_CH1 |
| پین 99 | PG7 — GPIO PG7 / TIM12_CH2 / UART6_RTS |
| پین 100 | PG8 — GPIO PG8 / TIM12_CH3 / UART6_CTS / SPI6_NSS / SDMMC1_D4 |
| پین 101 | VSS — Ground |
| پین 102 | VDD — Digital supply |
| پین 103 | PG9 — GPIO PG9 / USART6_TX / SPI1_MISO / SDMMC1_D5 |
| پین 104 | PG10 — GPIO PG10 / USART6_RX / SPI1_MOSI / SDMMC1_D6 |
| پین 105 | PG11 — GPIO PG11 / USART6_CTS / SPI1_SCK / SDMMC1_D7 |
| پین 106 | PG12 — GPIO PG12 / USART6_RTS / SPI6_NSS / SDMMC1_D0 |
| پین 107 | PG13 — GPIO PG13 / USART6_CK / SPI6_SCK / SDMMC1_D1 |
| پین 108 | PG14 — GPIO PG14 / USART6_TX / SPI6_MISO / SDMMC1_D2 |
| پین 109 | VSS — Ground |
| پین 110 | VDD — Digital supply |
| پین 111 | PG15 — GPIO PG15 / USART6_CTS / SDMMC1_CK |
| پین 112 | PB3 — GPIO PB3 / JTDO-SWO / TIM2_CH2 / SPI1_SCK / SPI3_SCK |
| پین 113 | PB4 — GPIO PB4 / NJTRST / TIM3_CH1 / SPI1_MISO / SPI3_MISO |
| پین 114 | PB5 — GPIO PB5 / TIM3_CH2 / I2C1_SMBA / SPI1_MOSI / SPI3_MOSI |
| پین 115 | PG0 — GPIO PG0 / TIM8_CH1N / UART9_RX |
| پین 116 | PG1 — GPIO PG1 / TIM8_CH1 / UART9_TX |
| پین 117 | PG2 — GPIO PG2 / TIM8_CH2N |
| پین 118 | PG3 — GPIO PG3 / TIM8_CH2 |
| پین 119 | PG4 — GPIO PG4 / TIM8_CH3 |
| پین 120 | PG5 — GPIO PG5 / TIM8_CH3N |
| پین 121 | PA8 — [DATA_NEEDED: pin description] |
| پین 122 | PA9 — [DATA_NEEDED: pin description] |
| پین 123 | PA10 — [DATA_NEEDED: pin description] |
| پین 124 | PA11 — [DATA_NEEDED: pin description] |
| پین 125 | PA12 — [DATA_NEEDED: pin description] |
| پین 126 | PA13 — [DATA_NEEDED: pin description] |
| پین 127 | VSS — Ground |
| پین 128 | VDD — Digital supply |
| پین 129 | PA14 — [DATA_NEEDED: pin description] |
| پین 130 | PA15 — [DATA_NEEDED: pin description] |
| پین 131 | PC6 — GPIO PC6 / TIM3_CH1 / USART6_TX / SDMMC1_D0 |
| پین 132 | PC7 — GPIO PC7 / TIM3_CH2 / USART6_RX / SDMMC1_D1 |
| پین 133 | PC8 — GPIO PC8 / TIM3_CH3 / USART6_CK / SDMMC1_D2 |
| پین 134 | PC9 — GPIO PC9 / TIM3_CH4 / USART6_CTS / SDMMC1_D3 |
| پین 135 | PA0 — [DATA_NEEDED: pin description] |
| پین 136 | VSS — Ground |
| پین 137 | VDD — Digital supply |
| پین 138 | PA1 — [DATA_NEEDED: pin description] |
| پین 139 | PA2 — [DATA_NEEDED: pin description] |
| پین 140 | PA3 — [DATA_NEEDED: pin description] |
| پین 141 | PA4 — [DATA_NEEDED: pin description] |
| پین 142 | PA5 — [DATA_NEEDED: pin description] |
| پین 143 | VSS — Ground |
| پین 144 | VDD — Digital supply |
کاربردهای معمول
STM32H7A3ZIT6Q مناسب است برای 6 کاربردs: 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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
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.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای STM32H7A3ZIT6Q — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | 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 |
تفاوت‌های کلیدی
- AEC-Q100 grade Q qualification (در مقابلSTM32H7A3ZIT6)
- Octo-SPI external memory interface (در مقابلSTM32H7A3ZIT6)
- Larger 144-LQFP with 112 GPIO (در مقابلSTM32H7A3LIH6Q (LQFP64))
یادداشت‌های طراحی
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.
اطلاعات انطباق
AEC-Q100 grade 'Q' qualified per STMicroelectronics product datasheet. RoHS and REACH compliant. Lead-free and halogen-free packaging.
