STM32L452RET6 vs STM32L452RET6P 对比
详细并排对比 STM32L452RET6 出自 STMicroelectronics 和 STM32L452RET6P 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
STM32L452RET6 - Ultra-Low-Power Cortex-M4 MCU 80MHz 512KB | ST
STM32L452RET6 ✓ 量产中STMicroelectronics
STM32L452RET6P - 80MHz Cortex-M4 MCU, 512KB Flash | STMicroelectronics
STM32L452RET6P ✓ 量产中规格对比
| 参数 | STM32L452RET6 | STM32L452RET6P |
|---|---|---|
| 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） | $4.95 | $5.62 |
| Core | Arm Cortex-M4 with FPU | — |
| Maximum CPU Frequency | 80 MHz | — |
| Performance | 100 DMIPS / 273 CoreMark | — |
| Flash Memory | 512 KB | 512 KB |
| SRAM | 160 KB | 160 KB |
| Supply Voltage Range | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
| 工作温度范围 | -40 C to +85 C | -40 C to +85 C or -40 C to +125 C (grade dependent) |
| Shutdown Mode Current | 22 nA (5 wakeup pins) | 22 nA (5 wakeup pins) |
| VBAT Mode Current | 145 nA (RTC + 32x32-bit backup registers) | 145 nA (RTC + 32x32-bit backup registers) |
| ADC | 12-bit, with hardware oversampling | — |
| DAC | 12-bit | — |
| Comparators | 2 ultra-low-power | — |
| Operational Amplifier | 1 on-chip | — |
| USB | USB 2.0 Full-Speed Device | — |
| DFSDM | Yes (digital filter for sigma-delta modulators) | — |
| SMPS Support | Yes (internal step-down core supply) | — |
| USART/UART | 3 USART + 2 UART | — |
| SPI | 3 | — |
| I2C | 3 | — |
| CAN | 1 (CAN 2.0B) | — |
| SDMMC | 1 | — |
| Crypto | AES-256 hardware accelerator | — |
| TRNG | Yes (true random number generator) | — |
| Unique ID | 96-bit | — |
| External Memory Interface | FSMC (SRAM, PSRAM, NOR, NAND) | — |
| 封装 | LQFP-64 (10x10 mm) | 64-LQFP (10x10 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | Arm Cortex-M4F with FPU and DSP |
| 最大时钟频率 | — | 80 MHz |
| DMIPS Performance | — | 100 DMIPS |
| USB Interface | — | USB 2.0 Full-Speed Device with embedded PHY and DFS |
| ADC / DAC | — | 2x 12-bit ADC (5 Msps), 2x 12-bit DAC |
| Analog Peripherals | — | 2 op-amps, 2 comparators |
| Connectivity | — | CAN 2.0B, 2x I2C, 3x SPI, 4x USART, 2x UART, 1x LPUART |
| LCD Driver | — | Yes, up to 8x40 segments |
| Hardware Crypto | — | AES-256 |
| External SMPS | — | Yes (integrated SMPS step-down converter) |