STM32L452RET6 vs STM32L476RET6 Comparison
Detailed side-by-side comparison of STM32L452RET6 by STMicroelectronics and STM32L476RET6 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
STM32L476RET6 - 80MHz ARM Cortex-M4 MCU 512KB Flash | STMicroelectronics
STM32L476RET6 ✓ ActiveSpecification Comparison
| Parameter | STM32L452RET6 | STM32L476RET6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.95 | $8.10 |
| Core | Arm Cortex-M4 with FPU | — |
| Maximum CPU Frequency | 80 MHz | — |
| Performance | 100 DMIPS / 273 CoreMark | 100 DMIPS (1.25 DMIPS/MHz) |
| Flash Memory | 512 KB | — |
| SRAM | 160 KB | 128 KB |
| Supply Voltage Range | 1.71 V to 3.6 V | 1.7 V to 3.6 V |
| Operating Temperature Range | -40 C to +85 C | -40C to +85C (T6 suffix) |
| Shutdown Mode Current | 22 nA (5 wakeup pins) | — |
| VBAT Mode Current | 145 nA (RTC + 32x32-bit backup registers) | — |
| ADC | 12-bit, with hardware oversampling | 3x 12-bit, up to 5 Msps |
| DAC | 12-bit | 2x 12-bit |
| Comparators | 2 ultra-low-power | 2x ultra-low-power |
| Operational Amplifier | 1 on-chip | — |
| USB | USB 2.0 Full-Speed Device | USB 2.0 Full-Speed OTG (with internal PHY) |
| 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) | — |
| SDMMC | 1 | — |
| Crypto | AES-256 hardware accelerator | — |
| TRNG | Yes (true random number generator) | — |
| 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 | Compliant |
| Core Architecture | — | ARM Cortex-M4 with FPU and DSP instructions |
| Maximum Clock Frequency | — | 80 MHz |
| Program Flash Memory | — | 512 KB |
| I/O Pins | — | 51 (5V-tolerant on FT pins) |
| Operational Amplifiers | — | 2x on-chip |
| LCD Controller | — | 8x40 / 4x44 segments |
| Timers | — | 16-/32-bit, RTC, LPTIM, SysTick |
| Communication Interfaces | — | USART/UART, I2C, SPI, SAI, CAN 2.0B, SDMMC |
| Crypto / Random | — | AES-256 hardware, TRNG |
| DMA | — | DMA1 + DMA2 (14 channels total) |
| Internal SMPS | — | Yes (external 4.7 uH inductor) |