STM32L452RET6 vs STM32L412RBT6P Comparison
Detailed side-by-side comparison of STM32L452RET6 by STMicroelectronics and STM32L412RBT6P by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32L452RET6 - Ultra-Low-Power Cortex-M4 MCU 80MHz 512KB | ST
STM32L452RET6 ✓ ActiveSTMicroelectronics
STM32L412RBT6P - 80MHz Cortex-M4 MCU 128KB Flash LQFP-64 | STMicroelectronics
STM32L412RBT6P ✓ ActiveSpecification Comparison
| Parameter | STM32L452RET6 | STM32L412RBT6P |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (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 | — |
| Operating Temperature Range | -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) | — |
| Package | LQFP-64 (10x10 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | — |
| RoHS Status | Compliant | — |
| Core Architecture | — | Arm Cortex-M4 with FPU (single precision) |
| Maximum Clock Frequency | — | 80 MHz (100 DMIPS) |
| Program Flash Memory | — | 128 KB (single bank) |
| Supply Voltage (VDD) | — | 1.71 V to 3.6 V |
| Pin Count | — | 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) |