STM32L412RBT6P vs STM32L452RET6P 比較
詳細並排比較 STM32L412RBT6P 由 STMicroelectronics 與 STM32L452RET6P 由 STMicroelectronics. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
STMicroelectronics
STM32L412RBT6P - 80MHz Cortex-M4 MCU 128KB Flash LQFP-64 | STMicroelectronics
STM32L412RBT6P ✓ 啟用中STMicroelectronics
STM32L452RET6P - 80MHz Cortex-M4 MCU, 512KB Flash | STMicroelectronics
STM32L452RET6P ✓ 啟用中規格比較
| 參數 | STM32L412RBT6P | STM32L452RET6P |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Core Architecture | Arm Cortex-M4 with FPU (single precision) | Arm Cortex-M4F with FPU and DSP |
| 最大時脈頻率 | 80 MHz (100 DMIPS) | 80 MHz |
| Program Flash Memory | 128 KB (single bank) | — |
| SRAM | 40 KB | 160 KB |
| Supply Voltage (VDD) | 1.71 V to 3.6 V | — |
| 工作溫度範圍 | -40 C to +85 C | -40 C to +85 C or -40 C to +125 C (grade dependent) |
| 封裝 | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| 腳位數 | 64 | — |
| ADC | 1 x 12-bit, 5 Msps (up to 16 channels) | — |
| DAC | 2 x 12-bit | — |
| Comparators | 2 x rail-to-rail | — |
| Operational Amplifiers | 2 x on-chip OPAMP | — |
| 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 | — |
| Timers | 4x 16-bit, 2x 16-bit low-power, 2x watchdog, SysTick | — |
| 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 |
| Flash Memory | — | 512 KB |
| Supply Voltage Range | — | 1.71 V to 3.6 V |
| Shutdown Mode Current | — | 22 nA (5 wakeup pins) |
| VBAT Mode Current | — | 145 nA (RTC + 32x32-bit backup registers) |
| 安裝類型 | — | Surface Mount |
| 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 |
| RoHS 狀態 | — | Compliant |
| External SMPS | — | Yes (integrated SMPS step-down converter) |