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STMicroelectronics STM32L471RET6 ARM Cortex-M4 Microcontroller 80MHz 512kB Flash 128kB SRAM 64-Pin LQFP
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Height | 1.45mm |
| Length | 10mm |
| Model | STM32L471RET6 |
| Width | 10mm |
| Mount Type | Surface |
| Series | STM32L471RE |
| Maximum Operating Temperature | 85°C |
| Package Type | LQFP |
| Minimum Operating Temperature | -40°C |
| Ram size | 128kB |
| Flash Memory | 512 kB |
| Pin Count | 64 |
| Maximum Supply Voltage | 3.6V |
| Maximum Power Dissipation Pd | 444mW |
| Minimum Supply Voltage | 1.71V |
| Device Core | ARM Cortex M4 |
| Program Memory Size | 512kB |
| Maximum Clock Frequency | 80MHz |
| Number of Programmable I/Os | 114 |
| Analogue Comparators | 2 |
| Number of Timers | 2 |
| Instruction Set Architecture | RISC |
| ADCs | 16 x 12 Bit |
| Program Memory Type | FLASH |
| DACs | 2 x 12 Bit |
| SRAM | 128 kB |
Key Features
- Features a 32-bit ARM Cortex-M4 RISC core clocked up to 80MHz for efficient processing.
- Offers 512kB flash memory and 128kB SRAM, supporting complex embedded applications.
- Housed in a compact 64-pin LQFP package for reliable, surface-mount PCB integration.
- Supports a wide voltage range from 1.71V to 3.6V for low-power design flexibility.
- Includes 16 x 12-bit ADCs, 2 DACs, comparators, and rich analog and digital peripherals.
- Operating temperature from -40°C to 85°C for extended industrial environment suitability.
- 114 programmable I/Os and multiple timers facilitate versatile control and I/O management.
- Comprehensive protection features such as readout and write protection, proprietary code protection, and firewall.
Product Description
The STMicroelectronics STM32L471RET6 is an ultra-low-power microcontroller designed for demanding embedded and industrial applications requiring high processing efficiency and rich peripheral support. Equipped with a 32-bit ARM Cortex-M4 RISC core featuring a floating-point unit, it operates at speeds up to 80MHz, providing a blend of performance and energy efficiency necessary for modern embedded solutions.
This microcontroller incorporates 512kB of embedded flash memory and 128kB of SRAM, offering ample memory resources to support complex software stacks and real-time processing. Housed in a robust 64-pin LQFP surface-mount package, the STM32L471RET6 is well-suited to automated PCB assembly and long-term deployment in industrial systems.
The STM32L471RET6 stands out with its comprehensive set of analog and digital peripherals, including 16 channels of 12-bit ADCs, 2 DACs, comparators, and advanced timers that enable sophisticated signal acquisition, generation, and control tasks. With 114 programmable I/O pins, the device can manage multiple sensors, actuators, and interfaces across a broad range of applications. Support for flexible supply voltage from 1.71V to 3.6V aids low-power operation, while advanced protection mechanisms such as readout and write protection, proprietary code readout, and on-chip firewall bolster application security.
Designed for harsh environments, the STM32L471RET6 operates reliably across an extended temperature range from -40°C to 85°C, ensuring consistent performance in both commercial and industrial settings. Additional features include an internal RTC, multiple communication interfaces, up to two 32-bit and numerous 16-bit timers, operational amplifiers, voltage reference buffers, and support for capacitive touch sensing with up to 24 channels. The microcontroller also offers advanced digital filtering for sigma-delta modulators (DFSDM).
Key industrial use cases include factory automation, process control, instrumentation, energy management, and advanced portable measurement equipment. The STM32L471RET6 is a versatile choice for engineers seeking to develop reliable, scalable microcontroller-based solutions with a superb balance between performance, integrability, and low-power operation.
Explore more STMicroelectronics microcontrollers and the entire Microcontroller category for your embedded design needs on EnvMart.
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Frequently Asked Questions
The STM32L471RET6 operates at a maximum clock frequency of 80MHz.
This model features 512kB of flash memory and 128kB of SRAM, providing ample resources for complex applications.
The operating temperature range for this microcontroller is from -40°C to 85°C, making it suitable for extended industrial environments.
It has 114 programmable I/Os, allowing for versatile control and management of various peripherals.
This microcontroller is housed in a 64-pin LQFP surface-mount package, suitable for automated PCB assembly.
It supports a supply voltage range from 1.71V to 3.6V, enabling low-power design flexibility.
The STM32L471RET6 includes 16 channels of 12-bit ADCs and 2 DACs, along with comparators for advanced signal processing.
This model includes multiple timers, specifically 2 timers, to facilitate various timing applications.
The dimensions of the STM32L471RET6 are 1.45mm in height, 10mm in length, and 10mm in width.
It utilizes a 32-bit ARM Cortex-M4 RISC core, which supports efficient processing and energy management.
Key applications include factory automation, process control, instrumentation, and energy management.
It includes comprehensive protection features such as readout and write protection, proprietary code protection, and an on-chip firewall.
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