STM32L451RET6 vs STM32L452RET6 Comparação
Comparação detalhada lado a lado de STM32L451RET6 por STMicroelectronics e STM32L452RET6 por STMicroelectronics. Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.
STMicroelectronics
STM32L451RET6 - Ultra-Low-Power Cortex-M4 MCU 512KB Flash | STMicroelectronics
STM32L451RET6 ✓ AtivoSTMicroelectronics
STM32L452RET6 - Ultra-Low-Power Cortex-M4 MCU 80MHz 512KB | ST
STM32L452RET6 ✓ AtivoComparação de especificações
| Parâmetro | STM32L451RET6 | STM32L452RET6 |
|---|---|---|
| Marca | STMicroelectronics | STMicroelectronics |
| Categoria | Microcontrollers | Microcontrollers |
| Status do ciclo de vida | Ativo | Ativo |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $4,38 | $4,95 |
| Core | Arm Cortex-M4 with FPU | Arm Cortex-M4 with FPU |
| Frequência máxima de clock | 80 MHz | — |
| 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 |
| Encapsulamento | 64-LQFP (10x10 mm) | LQFP-64 (10x10 mm) |
| Tipo de montagem | Surface Mount | Surface Mount |
| Faixa de temperatura de operação | -40°C to +85°C | -40 C to +85 C |
| ADC Resolution | 12-bit | — |
| ADC Sample Rate | 5 MSPS | — |
| DAC Resolution | 12-bit | — |
| Number of I2C Interfaces | 4 | — |
| Number of SPI Interfaces | 3 | — |
| Number of USART/UART Interfaces | 3 USART + 1 UART + 1 LPUART | — |
| Number of Timers | 8 (including 2 advanced, 5 general-purpose, 2 basic) | — |
| Status RoHS | Compliant | Compliant |
| Maximum CPU Frequency | — | 80 MHz |
| Performance | — | 100 DMIPS / 273 CoreMark |
| Shutdown Mode Current | — | 22 nA (5 wakeup pins) |
| VBAT Mode Current | — | 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) |