STM32L412RBT6P vs STM32L443RCT6 对比
详细并排对比 STM32L412RBT6P 出自 STMicroelectronics 和 STM32L443RCT6 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
STM32L412RBT6P - 80MHz Cortex-M4 MCU 128KB Flash LQFP-64 | STMicroelectronics
STM32L412RBT6P ✓ 量产中STMicroelectronics
STM32L443RCT6 - 80MHz Cortex-M4 MCU 256KB Flash | STMicroelectronics
STM32L443RCT6 ✓ 量产中规格对比
| 参数 | STM32L412RBT6P | STM32L443RCT6 |
|---|---|---|
| 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） | $3.35 | $5.10 |
| Core Architecture | Arm Cortex-M4 with FPU (single precision) | Arm Cortex-M4 with FPU and DSP instructions |
| 最大时钟频率 | 80 MHz (100 DMIPS) | 80 MHz |
| Program Flash Memory | 128 KB (single bank) | — |
| SRAM | 40 KB | 64 KB |
| Supply Voltage (VDD) | 1.71 V to 3.6 V | — |
| 工作温度范围 | -40 C to +85 C | -40C to +85C |
| 封装 | 64-LQFP (10x10 mm) | 64-pin LQFP (TRAY/REEL) |
| 引脚数量 | 64 | — |
| ADC | 1 x 12-bit, 5 Msps (up to 16 channels) | 12-bit, 5 Msps |
| DAC | 2 x 12-bit | 2x 12-bit |
| Comparators | 2 x rail-to-rail | — |
| Operational Amplifiers | 2 x on-chip OPAMP | 2 on-chip |
| USB | USB 2.0 Full-Speed Device (with dedicated 48 MHz OSC) | — |
| CAN | 1 x CAN 2.0B | — |
| Communication Peripherals | 3x I2C, 3x SPI, 3x USART + 1x UART | USART, LPUART, SPI, I2C, CAN 2.0B, USB FS |
| Timers | 4x 16-bit, 2x 16-bit low-power, 2x watchdog, SysTick | 16-bit and 32-bit timers, RTC, SysTick, LPTIM |
| RTC | Yes, with calendar and alarm | — |
| TRNG | True Random Number Generator (AES-256 capable) | — |
| 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) | — |
| DMIPS Performance | — | 100 DMIPS |
| Program Memory (Flash) | — | 256 KB |
| Operating Voltage Range | — | 1.71 V to 3.6 V |
| USB Interface | — | USB 2.0 Full-Speed with Type-C PD |
| LCD Driver | — | Up to 4x44 or 8x40 segments |
| Hardware Cryptography | — | AES-256 hardware accelerator |
| RoHS 状态 | — | Compliant |