STM32H7A3RIT6 vs STM32H7A3VIT6 对比
详细并排对比 STM32H7A3RIT6 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
STM32H7A3RIT6 - 280MHz Cortex-M7 MCU, 2MB Flash | STMicroelectronics
STM32H7A3RIT6 ✓ 量产中STMicroelectronics
STM32H7A3VIT6 - 280MHz Cortex-M7 MCU, 2MB Flash, LQFP-100 | STMicroelectronics
STM32H7A3VIT6 ✓ 量产中规格对比
| 参数 | STM32H7A3RIT6 | 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） | $10.20 | $10.45 |
| Core | ARM Cortex-M7 32-bit | ARM Cortex-M7 (32-bit) |
| 最大时钟频率 | 280 MHz | — |
| Program Memory | 2 MB Flash with ECC | — |
| SRAM | 1376 KB (1 MB DTCM + 376 KB system SRAM) | 1.4 MB total (SRAM1/SRAM2/SRAM3/SRAM4 + DTCM + AXI SRAM) |
| Operating Voltage | 1.62 V to 3.6 V | — |
| 封装 | 64-LQFP (10x10 mm) | 100-pin LQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Supply Voltage (VDD) | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| 工作温度 | -40 C to +85 C | -40 C to +85 C (industrial grade) |
| CoreMark | 2741 | — |
| DMIPS | 1177 | — |
| FPU | Double-precision (DP-FPU) | Double-precision IEEE 754 |
| L1 Cache | 16 KB I-cache + 16 KB D-cache | — |
| USB | USB 2.0 FS OTG + USB Type-C PD | — |
| CAN | 2x CAN-FD (FDCAN) | — |
| ADC | 16-bit, 3.6 MSPS, up to 20 channels | 3 x 16-bit, up to 3.6 MSPS |
| DAC | 2x 12-bit | 2 x 12-bit |
| SDMMC | 2x SDMMC | — |
| OCTOSPI | Yes (1x OCTOSPI / Quad-SPI) | — |
| RoHS 状态 | Compliant | Compliant |
| Maximum CPU Clock | — | 280 MHz |
| Flash Memory | — | 2 MB (2M x 8) |
| I/O Count (approx.) | — | [DATA_NEEDED: I/O count] |
| Timers | — | [DATA_NEEDED: timer count details] |
| 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 |
| Cache | — | 16 KB I-cache + 16 KB D-cache |
| MSL 等级 | — | [DATA_NEEDED: MSL level] |