STM32L152VCT6 - 32MHz Cortex-M3 MCU 256KB Flash | STMicroelectronics
Артикул: STM32L152VCT6 ✓ АктивенSTM32L152VCT6 Обзор
An ultra-low-power microcontroller is a semiconductor device designed to minimize energy consumption while maintaining responsive application performance. The STM32L152 series belongs to the ARM Cortex-M3 microcontroller family within the broader embedded-processor and power-management ecosystem. Its combination of sleep modes, fast wake-up capability, USB, LCD support, ADC, DAC, timers, and communication peripherals allows a design to replace several discrete components while conserving board area.
Key features include a 32-bit Cortex-M3 processor operating up to 32MHz, 256KB of embedded Flash for firmware, 32KB of SRAM, and 8KB of EEPROM. The device includes USB connectivity, LCD controller support, ADC and DAC resources, and multiple communication interfaces suited to embedded control systems. Its 100-lead LQFP package provides a high pin count for analog, communication, debug, and general-purpose I/O access.
The Cortex-M3 architecture provides a compact instruction set, deterministic interrupt handling, and efficient execution of embedded control code. Programmable peripherals and direct memory access support responsive sensor acquisition, communication, display updates, and motor or actuator control. The STM32L152VCT6 is therefore suitable for designs that need more processing capability and connectivity than a basic 8-bit controller while retaining a low-power-oriented platform.
Typical applications include USB-connected data loggers, low-power industrial sensor nodes, portable measurement equipment, LCD-based user interfaces, medical monitoring devices, security and access-control terminals, and energy-conscious consumer products. The LCD interface is useful for local status displays, while USB simplifies connection to a host computer or charging and configuration environment.
Designers should use the manufacturer pin-description table and reference manual when assigning the 100 LQFP leads, planning power, grounding, clock, and debug connections, and confirming peripheral alternate functions. The 1.8V, 2.5V, and 3.3V supply options support multiple embedded platforms, but the selected regulator, decoupling strategy, and operating voltage must be coordinated with the device's electrical limits. PCB layout should preserve clean analog grounding and controlled clock routing.
This product page combines manufacturer specifications, searchable MPN details, application guidance, design notes, and a careful comparison with related STM32L-series devices. It is intended to help engineers identify whether the STM32L152VCT6's balance of Flash memory, USB, LCD support, analog resources, low-power behavior, and LQFP-100 footprint fits the target design.
Аналоги без доработки для STM32L152VCT6 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с STM32L152VCT6 (тот же форм-фактор и посадочное место) — отличается по Package, Flash Memory, Product Type, SRAM, ADC.
STM32L152VCT6A
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
STM32L162VCT6A
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
STM32L151VCT6TR
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
STM32L152VCT6 Максимальные параметры и электрические характеристики
| Product Type | Ultra-low-power 32-bit microcontroller |
| Core | ARM Cortex-M3, 32-bit |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| EEPROM | 8 KB |
| Operating Voltage Options | 1.8 V, 2.5 V, or 3.3 V |
| USB Connectivity | USB device connectivity |
| LCD Support | LCD controller support |
| ADC | 12-bit analog-to-digital converter |
| DAC | Integrated digital-to-analog converter |
| Wake-Up Time | 8 us |
| Корпус | 100-lead LQFP, 14 x 14 mm |
| Тип монтажа | Surface mount |
| Product Temperature Range | -40C to +85C |
| Статус RoHS | RoHS compliant |
Руководство по цоколевке STM32L152VCT6 в корпусе 100-lead lqfp, 14 x 14 mm
Цоколевка для STM32L152VCT6 (корпус 100-lead lqfp, 14 x 14 mm). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.
Нет подробных данных о распиновке для STM32L152VCT6.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
STM32L152VCT6 подходит для 6 применениеs: USB Portable Data Logger, Industrial Sensor Node, LCD Instrument Panel, Portable Medical Monitor, Access Control Terminal, Energy-Conscious Consumer Controller.
USB Portable Data Logger
The STM32L152VCT6 fits portable data loggers because its USB device connectivity provides a direct path to a host computer while the 32 MHz Cortex-M3 core handles sampling, file preparation, and user-interface tasks. The 256 KB Flash can store firmware and compact configuration data, while 8KB EEPROM preserves calibration or record metadata without consuming the main program area. Its low-power orientation and 8 us wake-up time are useful for systems that spend much of their operating cycle idle. In a battery-powered design, the actual energy budget should include regulator quiescent current, sensor standby consumption, USB attachment behavior, and the frequency of write operations to nonvolatile memory.
Рекомендуется
Industrial Sensor Node
The STM32L152VCT6 is suitable for industrial sensor nodes that require local signal conditioning, communications, and low idle energy. Its 32-bit Cortex-M3 processor can manage digital sensors and protocol handling, while the integrated ADC supports analog sensor inputs and the DAC supports bias generation or test stimulus. The 32KB SRAM accommodates buffering and communication stacks, and the 8KB EEPROM is useful for calibration parameters. For installations with limited energy budgets, use the low-power modes and rapid 8 us wake-up capability to reduce the time the controller remains active. Deployment must still account for the industrial temperature grade, supply conditioning, surge protection, grounding, and EMI requirements of the installed equipment.
Рекомендуется
LCD Instrument Panel
The STM32L152VCT6 works well in a compact instrument panel where an LCD provides local status, measurements, or configuration menus. Its LCD-controller capability reduces the need for a separate display interface IC, while the 32 MHz Cortex-M3 core leaves processing capacity for keypad handling, data filtering, and control loops. The 256 KB Flash can support a graphical interface and application firmware, and the 8KB EEPROM can retain user settings such as calibration coefficients or display preferences. The 100-lead LQFP package also exposes the required communication and control pins. Layout should keep LCD traces away from switching nodes and analog inputs, while firmware should refresh only the required display areas to reduce processing time and power consumption.
Рекомендуется
Portable Medical Monitor
The STM32L152VCT6 can support a portable medical-monitoring product that combines a display, sensor interface, and USB charging or data connection. Its low-power architecture is valuable in battery-operated equipment, and the 8 us wake-up time allows the controller to respond quickly after a user event or scheduled measurement interval. The integrated ADC and DAC provide useful resources for sensor conditioning and stimulus generation, while 32KB SRAM supports short-term measurement buffering. Development should prioritize isolation, input protection, calibration, alarm behavior, and electromagnetic compatibility appropriate to the medical equipment category. The STM32L152VCT6 itself does not establish medical certification; compliance depends on the finished product, its risk classification, validation process, and applicable regional requirements.
Рекомендуется
Access Control Terminal
The STM32L152VCT6 is appropriate for an access-control terminal that coordinates readers, indicators, a local display, and a host connection. The 32 MHz Cortex-M3 core provides enough performance for peripheral management and structured communication code, while 256 KB Flash accommodates application firmware and credentials. USB connectivity can simplify commissioning or tethering to a host system, and the LCD interface can show status without requiring a separate display controller. For security-oriented designs, use the MCU’s supported peripherals appropriately and avoid treating USB connectivity as a substitute for authenticated storage and secure key management. The enclosure, reader interface, surge protection, and power-loss behavior remain important parts of a reliable terminal design.
Рекомендуется
Energy-Conscious Consumer Controller
The STM32L152VCT6 fits consumer products that need USB connectivity, local display feedback, and low standby energy. A smart control panel or compact appliance interface can use the 32 MHz Cortex-M3 core for user interaction, the ADC and DAC for analog functions, and the LCD controller for status information. The 256 KB Flash and 32KB SRAM are practical for embedded UI and control code, while low-power modes reduce consumption when the product is idle. Implementation should use the manufacturer's clock and power-management recommendations, and the USB interface must be inactive when it would prevent the required standby target. Firmware updates, brownout behavior, LED efficiency, and regulator selection often determine battery life as much as the microcontroller itself.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для STM32L152VCT6 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | STM32L152VCT6A | STM32L162VCT6A | STM32L151VCT6TR |
|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 100-lead LQFP (14 x 14 mm) | 100-lead LQFP (14 x 14 mm) | 100-lead LQFP (14 x 14 mm) | 100-lead LQFP (14 x 14 mm) |
| Core | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Flash Memory | 256 KB | 256 KB | 384 KB | 256 KB |
Ключевые отличия
- Combines USB, LCD support, and analog conversion in the STM32L152VC platform (против STM32L151VCT6TR)
- Uses 128 KB less Flash than the STM32L162VCT6A option (против STM32L162VCT6A)
- Matches the core, speed, Flash capacity, and package of the closest suffix variant (против STM32L152VCT6A)
Заметки по проектированию
Plan the 1.8 V, 2.5 V, or 3.3 V supply rail around the selected operating mode, USB attachment state, and analog load. Place the manufacturer's recommended bulk and high-frequency decoupling capacitors close to the corresponding supply pins, with a low-impedance ground return. If the design targets deep sleep, include the regulator's own quiescent current and load-switch leakage in the current budget; those external losses can dominate a low-power MCU's sleep consumption.
Use the manufacturer pin-description table for every LQFP-100 lead and preserve the package's standard pin-1 orientation before assigning analog and communication functions. Keep USB data routing short and continuous, maintain the specified reference-plane return path, and separate switching or high-current traces from ADC inputs. The LCD interface also benefits from a quiet analog ground region and guarded spacing between sensitive inputs and fast digital edges.
Do not assume that another STM32L1 device is interchangeable merely because it uses Cortex-M3 and the same LQFP-100 package. Compare USB availability, Flash capacity, SRAM, EEPROM, temperature grade, suffix, clock limits, and alternate-function assignments. A replacement also requires linker-map review, boot-code checks, peripheral-library or register-level validation, and a production test confirming USB, LCD, ADC, DAC, and low-power operation.
Treat analog inputs and references as sensitive nodes even though the MCU integrates the ADC and DAC. Use a quiet reference arrangement, protect external inputs from transients, and sample only after the source has settled. For USB-connected boards, follow the device's USB electrical and layout guidance, including controlled-impedance routing where applicable, and test signal integrity with the intended host, cable, and enclosure configuration.
Информация о соответствии
RoHS compliance is stated in the product comparison information. The other compliance fields cannot be confirmed from the available records.
