STM32L412CBU6 vs STM32L451CEU6 对比
详细并排对比 STM32L412CBU6 出自 STMicroelectronics 和 STM32L451CEU6 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
STM32L412CBU6 - 80MHz Cortex-M4 128KB Flash MCU | STMicroelectronics
STM32L412CBU6 ✓ 量产中STMicroelectronics
STM32L451CEU6 - 80MHz Cortex-M4 MCU 512KB Flash | STMicroelectronics
STM32L451CEU6 ✓ 量产中规格对比
| 参数 | STM32L412CBU6 | STM32L451CEU6 |
|---|---|---|
| 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） | $2.74 | $5.95 |
| Core Architecture | ARM Cortex-M4 with FPU (32-bit) | — |
| 最大时钟频率 | 80 MHz | 80 MHz |
| Performance | 100 DMIPS | — |
| Program Memory (Flash) | 128 KB | — |
| SRAM | 40 KB | 160 KB |
| Operating Voltage Range | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
| 关断电流 | 16 nA (4 wakeup pins) | 30 nA typical |
| VBAT Mode Current | 300 nA (RTC + 32x32-bit backup regs) | — |
| 工作温度范围 | -40C to +85C / +125C | — |
| 封装 | 48-UFQFPN (7x7 mm) | 48-pin UFQFPN (7x7 mm) |
| Number of I/O Pins | 38 GPIO | — |
| ADC | 1 x 12-bit, 5 Msps | 12-bit, up to 5 Msps, hardware oversampling |
| DAC | 2 x 12-bit | 2 channels, 12-bit |
| Comparators | 2 | — |
| Operational Amplifiers | 2 | — |
| Communication Interfaces | USB FS, 2x I2C, 2x SPI, 3x USART, LPUART, CAN, I2S | — |
| Hardware Cryptography | AES-128, TRNG | — |
| Internal Voltage Regulator | SMPS step-down + LDO | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| Core | — | ARM Cortex-M4 with FPU and DSP |
| Flash Memory | — | 512 KB |
| Supply Current (RUN) | — | [DATA_NEEDED: typical uA/MHz figure] |
| 工作温度 | — | -40C to +85C |
| USB | — | USB 2.0 Full-Speed device/host |
| CAN | — | 1x CAN 2.0B |
| I2C Interfaces | — | 3 |
| SPI Interfaces | — | 3 |
| GPIO Count | — | [DATA_NEEDED: exact GPIO count for UFQFPN48] |
| DFSDM | — | Yes (digital filter for sigma-delta modulators) |