STM32L452RET6 vs STM32L412RBT6P 对比
详细并排对比 STM32L452RET6 出自 STMicroelectronics 和 STM32L412RBT6P 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
STM32L412RBT6P - 80MHz Cortex-M4 MCU 128KB Flash LQFP-64 | STMicroelectronics
STM32L412RBT6P ✓ 量产中规格对比
| 参数 | STM32L452RET6 | STM32L412RBT6P |
|---|---|---|
| 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 | $3.35 |
| Core | Arm Cortex-M4 with FPU | — |
| Maximum CPU Frequency | 80 MHz | — |
| Performance | 100 DMIPS / 273 CoreMark | — |
| Flash Memory | 512 KB | — |
| SRAM | 160 KB | 40 KB |
| Supply Voltage Range | 1.71 V to 3.6 V | — |
| 工作温度范围 | -40 C to +85 C | -40 C to +85 C |
| Shutdown Mode Current | 22 nA (5 wakeup pins) | — |
| VBAT Mode Current | 145 nA (RTC + 32x32-bit backup registers) | — |
| ADC | 12-bit, with hardware oversampling | 1 x 12-bit, 5 Msps (up to 16 channels) |
| DAC | 12-bit | 2 x 12-bit |
| Comparators | 2 ultra-low-power | 2 x rail-to-rail |
| Operational Amplifier | 1 on-chip | — |
| USB | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed Device (with dedicated 48 MHz OSC) |
| 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) | 1 x CAN 2.0B |
| SDMMC | 1 | — |
| Crypto | AES-256 hardware accelerator | — |
| TRNG | Yes (true random number generator) | True Random Number Generator (AES-256 capable) |
| 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 | — |
| RoHS 状态 | Compliant | — |
| Core Architecture | — | Arm Cortex-M4 with FPU (single precision) |
| 最大时钟频率 | — | 80 MHz (100 DMIPS) |
| Program Flash Memory | — | 128 KB (single bank) |
| Supply Voltage (VDD) | — | 1.71 V to 3.6 V |
| 引脚数量 | — | 64 |
| Operational Amplifiers | — | 2 x on-chip OPAMP |
| Communication Peripherals | — | 3x I2C, 3x SPI, 3x USART + 1x UART |
| Timers | — | 4x 16-bit, 2x 16-bit low-power, 2x watchdog, SysTick |
| RTC | — | Yes, with calendar and alarm |
| Low-Power Modes | — | Shutdown ~30 nA, Standby ~120 nA, Stop with RTC ~420 nA |
| Internal Voltage Regulator | — | Integrated LDO and SMPS step-down |
| Backup Domain | — | VBAT pin for RTC and backup register retention |
| RoHS / REACH | — | ROHS3 compliant (per distributor data) |