STM32H745IIT6 vs STM32F746IET6 对比
详细并排对比 STM32H745IIT6 出自 STMicroelectronics 和 STM32F746IET6 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。
规格对比
| 参数 | STM32H745IIT6 | STM32F746IET6 |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 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) | 512 KB (512K 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) | 176-LQFP, 24 mm x 24 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 | — |
| DAC | Two 12-bit DACs | — |
| 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) | — |
| MSL 等级 | 3 (per JEDEC J-STD-020) | — |
| RoHS 状态 | Compliant | — |
| Supply Source | Internal SMPS + LDO regulators | — |
| Product Type | — | 32-bit ARM Cortex-M7 microcontroller |
| CPU Maximum Frequency | — | 216 MHz |
| Architecture | — | ARM Cortex-M7 with DSP and FPU |
| RAM | — | 320 KB |
| I/O Count | — | 140 I/O |
| 电源电压 | — | 1.8 V, 2.5 V, or 3.3 V |
| 工作温度 | — | -40 °C to +85 °C |
| Program Memory Type | — | Flash |
| Processor Core | — | ARM Cortex-M7 |
| DSP Support | — | DSP with FPU |
| Cache | — | L1 cache |
| External Memory Interface | — | SDRAM |
| Display Feature | — | TFT |
| Graphics Feature | — | Art Accelerator |
| Manufacturer | — | STMicroelectronics |