STM32L031C6T6 - 32MHz Ultra-Low-Power MCU | STMicroelectronics
料号： STM32L031C6T6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
STM32L031C6T6 概述
A microcontroller is a programmable system-on-chip that integrates a processor core, memory, and peripherals such as GPIO, timers, serial interfaces, and analog blocks. Within the hierarchy, the STM32L031C6T6 is an embedded microcontroller, a semiconductor, and a member of STMicroelectronics’ STM32 family. Its Arm Cortex-M0+ core provides a 32-bit RISC architecture suited to compact control, sensing, and communication tasks.
Key verified features include a 32 MHz operating frequency, 32 KB Flash memory, and a 48-LQFP package. The verified distributor records also identify the STM32L0 series as an access-line ultra-low-power family. The 32 KB Flash capacity is useful for compact firmware that does not require the storage of a larger application, while the 48-pin package provides a substantial lead-count for external connections and mixed-signal or communication peripherals.
The STM32L031C6T6 is positioned for low-power embedded systems where the Cortex-M0+ ecosystem, compact package, and 32 MHz processing capability are more important than high-end connectivity or large memory capacity. Its 3.3 V class supply description is reflected in distributor listings, although exact electrical limits, current consumption, peripheral inventory, temperature limits, and package dimensions must be confirmed against the manufacturer datasheet before design release.
Typical applications include low-power sensor nodes, compact industrial controllers, battery-operated instruments, IoT edge devices, and small motor or actuator control boards. In a sensor node, the MCU can acquire measurements, filter data, and transmit results through a serial interface. In an industrial controller, its GPIO and timer resources can coordinate inputs, indicators, and actuators while maintaining a compact board footprint.
The principal design consideration is firmware and peripheral planning. Engineers should verify the exact pin multiplexing, alternate functions, debug access, clock configuration, and low-power modes in the STM32L031C6 datasheet before assigning the 48 LQFP leads. This page combines verified distributor information, manufacturer product data, and practical sourcing guidance; it does not infer missing electrical specifications.
直接替换替代料： STM32L031C6T6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32L031C6T6 （相同外形与封装尺寸） ——差异在于 Package, Flash Memory.
快速对比工具——选择替代料号进行并排对比：
STM32L031C6T6DTR
✅ 直接替换📋 参考替代料（不在目录中）
STM32L073CBT6
✅ 直接替换📋 参考替代料（不在目录中）
STM32L031C6T6 最大额定值与电气特性
| Core | Arm Cortex-M0+ |
| Architecture | 32-bit RISC |
| 最大时钟频率 | 32 MHz |
| Flash Memory | 32 KB |
| Flash Organization | 32K x 8 bits |
| Product Series | STM32L0 |
| Product Family | STM32L031x4/6 access line |
| 电源电压 | 3.3 V |
| 封装 | 48-pin LQFP, 7 x 7 mm |
| 安装类型 | Surface mount |
| Microcontroller Type | Ultra-low-power microcontroller |
| Processor Core | 32-bit Arm Cortex-M0+ |
| Program Memory Type | Flash |
| Program Memory Size | 32 KB |
| Manufacturer Product Family | STM32L0 series |
| Manufacturer | STMicroelectronics |
STM32L031C6T6 48-pin lqfp, 7 x 7 mm 引脚配置指南
STM32L031C6T6（48-pin lqfp, 7 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： STM32L031C6T6.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32L031C6T6 适用于 6 应用s: Battery-Powered Sensor Node, Compact Industrial Controller, Low-Power IoT Edge Device, Battery-Operated Measurement Instrument, Compact Motor or Actuator Control, Wearable or Personal Device Controller.
Battery-Powered Sensor Node
The STM32L031C6T6 fits compact sensor nodes because it combines a 32 MHz Arm Cortex-M0+ core with 32 KB of Flash and an ultra-low-power family positioning. A node can sample a sensor, apply local filtering, manage a wake interval, and transmit a compact status packet through a selected serial interface. The 48-LQFP package provides more external connection options than a small-pin-count MCU, while the limited memory favors focused firmware rather than large local buffering. Confirm the exact low-power mode currents, RAM size, and serial peripheral mapping before finalizing the power budget.
推荐
Compact Industrial Controller
The STM32L031C6T6 can serve as the central controller in a compact industrial control board that monitors discrete inputs and coordinates relays, indicators, or actuators. Its 48-LQFP package offers a broad pin count for control signals and support circuitry, while the 32 MHz Cortex-M0+ core provides a responsive control platform without requiring a high-performance processor. Firmware can implement state machines, debounce logic, fault handling, and communication services. The final design must verify the exact GPIO count, timer resources, supply limits, and pin multiplexing in the manufacturer documentation.
推荐
Low-Power IoT Edge Device
The STM32L031C6T6 is suitable for an IoT edge device that periodically reads local inputs, evaluates a simple control rule, and forwards data through a communications module. The 32-bit Cortex-M0+ architecture handles protocol framing and control logic, while 32 KB Flash is appropriate for a constrained application with compact firmware. The family’s ultra-low-power positioning can help when the device spends substantial time idle, but actual battery performance depends on the selected mode, peripheral activity, supply design, and wake-up sequence. Those values are not supplied here and should be validated experimentally.
推荐
Battery-Operated Measurement Instrument
The STM32L031C6T6 can be used in a portable measurement instrument when the design needs local acquisition control, display or communications updates, and a compact embedded processor. The 32 MHz Cortex-M0+ core provides enough performance for straightforward sampling orchestration, calibration handling, and user-interface logic, while the 48-LQFP package facilitates separation between analog support, digital processing, and communication signals. The supplied data does not specify the ADC characteristics or RAM capacity, so analog accuracy and sampling plans require confirmation from the datasheet before committing the part.
推荐
Compact Motor or Actuator Control
The STM32L031C6T6 is a reasonable starting point for a compact actuator-control board when the application requires deterministic timing, discrete control outputs, and local safety logic. Its 32 MHz Cortex-M0+ core can execute a motor or valve state machine, monitor limit inputs, and coordinate status indicators. The 48-LQFP package offers sufficient pin count for control and feedback signals, but the exact timer outputs, capture functions, PWM behavior, and electrical limits must be verified. Do not assume that an STM32L0 MCU’s pinout matches other STM32 families or competing MCUs.
推荐
Wearable or Personal Device Controller
The STM32L031C6T6 can support a small wearable or personal-device controller where an efficient 32-bit core and modest Flash requirement are preferable to a high-memory MCU. The device may manage buttons, indicators, simple sensors, and low-rate communications while fitting within a constrained board area. The STM32L0 family’s ultra-low-power positioning is relevant for battery-operated equipment, but the verified records do not provide sleep-mode current or operating-temperature data. Validate current consumption, ESD requirements, and wearable-specific reliability constraints before production release.
推荐
工程参考数据： STM32L031C6T6 ——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 | STM32L031C6T6DTR | STM32L073CBT6 | STM32F030RCT6 |
|---|---|---|---|---|
| Package | 48-LQFP 7x7 mm | 48-LQFP 7x7 mm | LQFP-48 | LQFP-64 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Family | STM32L0 | STM32L0 | STM32L0 | STM32F0 |
| Verified Drop-In Status | Target device | Requires confirmation | Requires confirmation | Not confirmed |
关键差异点
- Directly verified target identity （对比 STM32L031C6T6DTR)
- Access-line STM32L0 positioning （对比 STM32L073CBT6)
- Known package format （对比 STM32F030RCT6)
设计说明
Begin the power architecture by confirming the STM32L031C6T6 operating-voltage range, current limits, and low-power mode behavior in the manufacturer datasheet. The supplied distributor record only verifies a 3.3 V supply description. Select the regulator, decoupling network, and external component ratings around the confirmed limits rather than assuming that a nominal 3.3 V rail is sufficient. For battery-powered designs, measure average and peak current in the intended firmware state because sleep-mode current is not provided in the verified data.
Use the manufacturer’s 48-LQFP footprint and pin-assignment table as the PCB layout authority. Place required power, ground, decoupling, reset, and debug connections according to the datasheet, and preserve the package’s thermal and assembly requirements. Do not copy a generic STM32 footprint because related STM32 devices can use different package pin counts and alternate-function assignments. The supplied data confirms 48-LQFP 7 x 7 mm but does not provide the complete numbered pinout.
Avoid treating STM32L031C6T6, STM32L073CBT6, and STM32F030RCT6 as interchangeable based only on their STM32 names. The verified records establish the target as a 32 MHz Cortex-M0+ device with 32 KB Flash in 48-LQFP, while the alternatives have different or incomplete comparison data. Before substituting a part, verify pin names, package dimensions, voltage tolerance, clock behavior, memory requirements, peripheral functions, and firmware support. A functional substitute may require PCB changes even when it serves the same application.
合规信息
The supplied verified records do not provide component-level compliance declarations. Confirm RoHS, REACH, automotive qualification, lead-free, halogen-free, and conflict-minerals status from the current STMicroelectronics documentation or authorized distributor records.
