The STM32L451RET6 is an ultra-low-power microcontroller based on the Arm® Cortex®-M4 core, featuring a maximum operating frequency of 80 MHz and delivering up to 100 DMIPS performance. It includes 512 KB of Flash memory and 160 KB of SRAM, with 32 KB equipped with hardware parity check for enhanced reliability. The device supports a wide range of peripherals, including 16 communication interfaces such as I2C, USART, and SPI, as well as rich analog features like a 12-bit ADC and DAC. This microcontroller is designed for low-power applications, operating within a voltage range of 1.71 V to 3.6 V and offering various low-power modes, including a shutdown mode consuming only 22 nA. It also features a real-time clock (RTC) with calendar functions and multiple timers for precise control. The STM32L451RET6 is packaged in multiple formats, including LQFP and UFBGA, making it versatile for different design requirements. Its energy efficiency and extensive feature set make it suitable for battery-operated devices and applications requiring low power consumption.
ARM® Cortex®-M4 STM32L4 Microcontroller IC 32-Bit Single-Core 80MHz 512KB (512K x 8) FLASH 64-LQFP (10x10)
IC MCU 32BIT 512KB FLASH 64LQFP
Win Source Part Number: 1147365-STM32L451RET
Category: Integrated Circuits (ICs)>Embedded - Microcontrollers
Series: STM32L4
Core Processor: ARM® Cortex®-M4
Speed: 80MHz
Package: Tray
Standard Package: 960
Mounting: SMD (SMT)
Core Size: 32-Bit Single-Core
Connectivity: CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART
Peripherals: Brown-out Detect/Reset, DMA, PWM, WDT
Number of I/O: 52
Program Memory Size: 512KB (512K x 8)
Program Memory Type: FLASH
RAM Size: 160K x 8
Data Converters: A/D 16x12b; D/A 1x12b
Oscillator Type: Internal
Package / Case: 64-LQFP
Supplier Device Package: 64-LQFP (10x10)
Temperature Range - Operating: -40°C ~ 85°C (TA)
Supply Voltage - Operating: 1.71V ~ 3.6V
ECCN: 3A991A2
Fake Threat In the Open Market: 58 pct.
MSL Level: 3 (168 Hours)
REACH Status: REACH Unaffected
HTSUS: 8542.31.0001
Mfr: STMicroelectronics
Other Names: STM32L451RET6-ND,497
Base Product Number: STM32L451
Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 512 kbytes of Flash memory, DFSDM Product overview: STM32L451RET6 from STMicroelectronics is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Low-Power, ARM Cortex-M, 80 MHz. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, ARM Cortex-M, 80 MHz, Embedded Microcontroller MCU, Microcontrollers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-STM32L451RET6 can be used for catalog matching and distributor lookup.
ARM Microcontrollers - MCU 16/32-BITS MICROS
IC MCU 32BIT 512KB FLASH 64LQFP
MCU, ARM CORTEX-M4, 80MHZ, LQFP-64; Product Range:ARM Cortex-M4 Microcontrollers; Architecture:ARM Cortex-M4; No. of Bits:32bit; CPU Speed:80MHz; Program Memory Size:512KB; RAM Memory Size:160KB; No. of Pins:64Pins; MCU Case RoHS Compliant: Yes
IC MCU 32BIT 512KB FLASH 64LQFP
ARM® Cortex®-M4 STM32L4 Microcontroller IC 32-Bit Single-Core 80MHz 512KB (512K x 8) FLASH 64-LQFP (10x10)
| DigiKey | ODG (Origin Data Global) | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | VAST STOCK CO., LIMITED | Lingto Electronic Limited | Newark, An Avnet Company | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 497-17977-ND | STM32L451RET6 | 1147365-STM32L451RET6 | 685-STM32L451RET6 | STM32L451RET6 | STM32L451RET6 | 56AC6775 | STM32L451RET6 | STM32L451RET6 |
| Product Name | Microcontrollers | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Low-Power ARM Cortex-M 80 MHz Embedded Microcontroller MCU | ARM Microcontrollers - MCU | Embedded - Microcontrollers | Mcu, Arm Cortex-M4, 80Mhz, Lqfp-64; Product Range Stmicroelectronics | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers |
| Data Bus | 32 Bit | 32 Bit | 32 Bit | 32 Bit; 32-Bit | 32 Bit | 32 Bit; 32-Bit Single-Core | |||
| Clock Speed | 80 MHz | 80 MHz | 80 MHz | 48 MHz | 80 MHz | 80 MHz | 80 MHz | ||
| Bits | Other; A/D 16x12b; D/A 1x12b | ||||||||
| RAM | 160 KB | 160 KB | 512 KB | 160 KB | 160 KB | 160 KB | |||
| ROM | 512 KB |
