STM32H745IIT6 vs STM32H7A3VIT6 对比
详细并排对比 STM32H745IIT6 出自 STMicroelectronics 和 STM32H7A3VIT6 出自 STMicroelectronics。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
STMicroelectronics
STM32H7A3VIT6 - 280MHz Cortex-M7 MCU, 2MB Flash, LQFP-100 | STMicroelectronics
STM32H7A3VIT6 ✓ 量产中规格对比
| 参数 | STM32H745IIT6 | STM32H7A3VIT6 |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $10.62 | $10.45 |
| Core Architecture | Dual-core Arm Cortex-M7 + Cortex-M4 with FPU | — |
| M7 Maximum Clock Frequency | 480 MHz | — |
| M4 Maximum Clock Frequency | 240 MHz | — |
| Flash Memory | 2 MB (dual-bank, with secure sector) | 2 MB (2M x 8) |
| SRAM (Total) | 1 MB (192 KB DTCM/AXI + 64 KB DTCM for M4 + 462 KB system SRAM + 4 KB backup) | — |
| Operating Voltage Range | 1.62 V to 3.6 V | — |
| 封装 | 176-pin LQFP (24x24 mm) | 100-pin LQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度范围 | -40 °C to +85 °C (industrial grade) | — |
| ADC | 16-bit ADC (3.6 MSPS) + two 12-bit ADCs | 3 x 16-bit, up to 3.6 MSPS |
| DAC | Two 12-bit DACs | 2 x 12-bit |
| Graphics Accelerator | Chrom-ART (DMA2D) | — |
| Communication Interfaces | USB OTG FS+HS, 2 × CAN FD, Ethernet MAC, SDMMC, 2 × OctoSPI, FMC, USART/UART/SPI/I2C/LPUART | — |
| Timers | Advanced-control, general-purpose, basic, low-power timers (see datasheet for full list) | [DATA_NEEDED: timer count details] |
| MSL 等级 | 3 (per JEDEC J-STD-020) | [DATA_NEEDED: MSL level] |
| RoHS 状态 | Compliant | Compliant |
| Supply Source | Internal SMPS + LDO regulators | — |
| Core | — | ARM Cortex-M7 (32-bit) |
| Maximum CPU Clock | — | 280 MHz |
| SRAM | — | 1.4 MB total (SRAM1/SRAM2/SRAM3/SRAM4 + DTCM + AXI SRAM) |
| Supply Voltage (VDD) | — | 1.62 V to 3.6 V |
| 工作温度 | — | -40 C to +85 C (industrial grade) |
| I/O Count (approx.) | — | [DATA_NEEDED: I/O count] |
| Communication | — | USB 2.0 FS+HS OTG, CAN FD, USART/UART, SPI, I2C, SAI, SDMMC, FMC |
| Graphics | — | Chrom-ART (DMA2D) accelerator, TFT-LCD controller (LTDC) |
| Math Accelerators | — | FMAC, CORDIC, single-precision hardware MAC |
| Security | — | Cryptographic accelerators, TRNG, secure boot support |
| FPU | — | Double-precision IEEE 754 |
| Cache | — | 16 KB I-cache + 16 KB D-cache |