STM32L451VEI6 - 80MHz 512KB Cortex-M4 MCU | STMicroelectronics
料号： STM32L451VEI6 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $11.5899 | $11.59 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
STM32L451VEI6 概述
A microcontroller such as the STM32L451VEI6 integrates a processor core, memory, communication peripherals, analog interfaces, timers, and GPIO into one compact device. The STM32L4 family belongs to the broader embedded-controller hierarchy: Cortex-M4 processor core, 32-bit microcontroller, embedded semiconductor, and electronic control system. This integration reduces component count and allows firmware to coordinate sensing, control, communications, and real-time timing in one controller.
The verified manufacturer information identifies an Arm Cortex-M4 32-bit RISC core, up to 80 MHz operation, 512 KB of Flash, and 160 KB of SRAM. The device also supports digital filtering and analog features identified by the manufacturer as DFSDM, analog, and audio capabilities. These resources support mixed-signal designs where a low-power MCU must acquire sensor data, perform signal conditioning, and communicate results without relying on a separate processor.
The STM32L451VEI6 is positioned for embedded applications requiring more processing performance than a basic low-power MCU while retaining a compact package and energy-conscious architecture. Its Cortex-M4 core supports general-purpose control, communications, and floating-point-oriented workloads, while the integrated analog and audio peripherals can reduce system complexity. Exact peripheral assignments, voltage limits, current consumption, package pin functions, and production lifecycle details must be confirmed in the STMicroelectronics datasheet before final design release.
Typical applications include industrial sensor nodes, low-power data loggers, connected measurement equipment, portable medical or diagnostic instruments, motor and actuator controllers, and compact IoT gateways. The 80 MHz core is useful for protocol handling, sampling workflows, control loops, and user-interface logic. Selection should begin with the required memory map, package footprint, peripheral set, operating voltage, clock tree, and low-power target.
For PCB implementation, use the manufacturer package drawing and land pattern for the 100-UFBGA package rather than a generic BGA footprint. Confirm ball assignments, exposed-pad requirements, decoupling, power routing, and programming access in the datasheet. Also verify startup, clock, reset, and firmware-library support before committing the design to volume production.
This product page combines verified manufacturer and distributor information, application-oriented engineering guidance, procurement context, and strict data-gap markers for specifications not present in the supplied sources. It is intended to support early component selection and sourcing, not to replace the complete STMicroelectronics reference documentation.
STM32L451VEI6 最大额定值与电气特性
| Product Type | 32-bit ultra-low-power microcontroller |
| Processor Core | Arm Cortex-M4 |
| Architecture | 32-bit RISC |
| Maximum Core Frequency | 80 MHz |
| Flash Memory | 512 KB |
| SRAM | 160 KB |
| Floating-Point Unit | Present |
| Digital Filter | DFSDM supported |
| Analog Features | Supported |
| Audio Features | Supported |
| 封装 | 100-UFBGA, 7 mm x 7 mm |
| 安装类型 | Surface mount |
| Core Performance | 100 DMIPS |
STM32L451VEI6 100-ufbga, 7 mm x 7 mm 引脚配置指南
STM32L451VEI6（100-ufbga, 7 mm x 7 mm 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： STM32L451VEI6.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32L451VEI6 适用于 7 应用s: Industrial Sensor Node, Low-Power Data Logger, Connected IoT Controller, Portable Measurement Instrument, Audio Signal Processing, Motor and Actuator Control, Secure Industrial Gateway.
Industrial Sensor Node
The STM32L451VEI6 fits an industrial sensor node that must acquire measurements and perform local processing in a compact 100-UFBGA package. Its Arm Cortex-M4 core operates up to 80 MHz, while 512 KB of Flash and 160 KB of SRAM provide room for application code, drivers, buffers, and protocol stacks. The listed analog and DFSDM features can support digital-filtered signal acquisition. Before layout, verify the exact ADC channels, input limits, sampling requirements, operating temperature, and power-supply range in the STMicroelectronics datasheet.
推荐
Low-Power Data Logger
The STM32L451VEI6 is appropriate for a low-power data logger when the design needs more processing capability than a basic microcontroller while retaining a small package. The 80 MHz Cortex-M4 core can handle sampling, timestamping, data compression, and communication tasks, while the STM32L451 family is identified by STMicroelectronics as ultra-low-power. Actual battery performance depends on sleep mode, peripheral shutdown, sensor duty cycle, and leakage current, so use the manufacturer power data and validate the complete load profile.
推荐
Connected IoT Controller
The STM32L451VEI6 can serve as a low-power embedded controller in an IoT gateway or connected sensor assembly. Its Cortex-M4 architecture supports protocol processing and control logic at up to 80 MHz, and the available Flash and SRAM are suitable for firmware, buffers, and local data handling. The supplied data does not specify wireless radios, so this part should be paired with a separately selected communication module. Confirm package ballout, power sequencing, clocking, and firmware peripheral support before production design release.
推荐
Portable Measurement Instrument
The STM32L451VEI6 is a plausible controller for a portable measurement instrument because it combines an 80 MHz Cortex-M4 core with analog and audio features in a compact package. The MCU can supervise sensor acquisition, perform filtering, coordinate timers, and prepare data for display or export. The supplied data does not specify the exact ADC architecture, DAC availability, input bandwidth, or power consumption, so those details must be checked in the DM00340475 datasheet before selecting the device for a precision analog front end.
推荐
Audio Signal Processing
The verified product information identifies audio features and DFSDM support, making the STM32L451VEI6 relevant to compact audio acquisition and signal-processing designs. The 80 MHz Cortex-M4 core can manage control flow and digital processing while the integrated resources reduce the need for a separate signal-processing device. Exact digital-microphone interfaces, audio-clock options, codec support, and acoustic performance are not supplied here; confirm them in the official datasheet and validate the complete audio signal chain with measured data.
推荐
Motor and Actuator Control
The STM32L451VEI6 can be used as the control processor in a compact motor or actuator controller because its Cortex-M4 core provides real-time processing up to 80 MHz and the family includes analog features for control-oriented designs. Timers and PWM functions are expected for such applications, but the supplied verified snippets do not enumerate timer channels or electrical drive ratings. Use the datasheet to confirm timer pin assignments, dead-time support, capture/compare resources, ADC timing, and protection requirements before driving power stages.
推荐
Secure Industrial Gateway
The STM32L451VEI6 can form the control core of a compact gateway that handles protocol conversion, local storage, and supervisory logic. Its 512 KB of Flash and 160 KB of SRAM provide usable memory for embedded applications, while the 80 MHz core supports concurrent communication tasks. The supplied information does not identify cryptographic accelerators, security certification, Ethernet MAC, or specific security peripherals, so gateways requiring those features need a separate security and interface assessment before design approval.
推荐
推荐产品汇总
工程参考数据： STM32L451VEI6 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 |
|---|---|
| Package | 100-UFBGA, 7 mm x 7 mm |
| Brand | STMicroelectronics |
| Processor Core | Arm Cortex-M4 |
| Maximum Frequency | 80 MHz |
| Flash Memory | 512 KB |
| SRAM | 160 KB |
| Floating-Point Unit | Present |
| Special Features | Analog, audio, and DFSDM |
| Core Performance | 100 DMIPS |
关键差异点
- Cortex-M4 performance with integrated analog and audio focus （对比 STM32F042G4U6TR)
- High memory capacity for embedded control workloads （对比 STM32F042G4U6TR)
- Verified digital-filter and audio-oriented positioning （对比 STM32F042G4U6TR)
设计说明
Use the exact STMicroelectronics 100-UFBGA 7 mm by 7 mm package drawing and land pattern rather than a generic BGA footprint. Confirm every ball assignment, power and ground distribution, decoupling requirement, exposed-pad connection, and programming access point against the official datasheet and package documentation. Incorrect routing on a fine-pitch BGA can cause shorts, signal-integrity failures, and expensive respins even when the firmware is correct.
Confirm the STM32L451VEI6 supply-voltage limits, regulator sequencing, decoupling values, and analog-supply requirements directly from the manufacturer datasheet before designing the power tree. For a battery-powered instrument, estimate average current from the selected operating mode and duty cycle; an 80 MHz maximum frequency does not by itself determine battery life. Validate sleep-mode leakage, wake-up timing, peripheral shutdown behavior, and analog-sensor loading on the assembled board.
Do not treat another STM32 microcontroller with a similar core as a drop-in replacement. A valid replacement must match the 100-UFBGA footprint and ball functions, memory requirements, clock and reset behavior, peripheral mapping, voltage limits, and firmware support. The supplied comparison pages mention different STM32 families but do not verify this part's exact replacement, so review the complete datasheets and test the existing firmware on the proposed substitute before committing it to production.
合规信息
The supplied manufacturer and distributor snippets do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Compliance fields are therefore recorded as unknown rather than assumed.
