STM32L431VCI6

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STM32L431VCI6

IC MCU 32BIT 256KB FLSH 100UFBGA

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Spezifikationen

Supplier STMicroelectronics
Package Tray
Series STM32L4
ProductStatus Active
CoreProcessor ARM® Cortex®-M4
CoreSize 32-Bit Single-Core
Speed 80MHz
Connectivity CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, PWM, WDT
NumberofI/O 83
ProgramMemorySize 256KB (256K x 8)
ProgramMemoryType FLASH
RAMSize 64K x 8
Voltage-Supply(Vcc/Vdd) 1.71V ~ 3.6V
DataConverters A/D 16x12b; D/A 2x12b
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 100-UFBGA

Übersicht

Description

STM32L431VCI6 is STMicroelectronics’ ultra-low-power STM32L4 MCU in a 48‑pin LQFP (CI6) package. It uses an ARM Cortex‑M4F core, runs up to 80 MHz, and operates on 1.65–3.6 V. Memory varies by variant but typically includes hundreds of KB of Flash and tens of KB of RAM. It supports multiple power modes (Stop, Standby) for long battery life. Peripherals usually include GPIO, timers, ADCs, and serial interfaces (I2C, SPI, USART/UART) with USB FS where supported. DMA and a rich set of analog features help with sensing and control tasks. Development is supported by STM32CubeMX/HAL libraries and STM32CubeIDE, plus broad vendor/community tooling. Common applications: wearable and portable sensors, battery-powered IoT nodes, and other energy-constrained devices needing moderate performance with low power. For exact memory sizes, peripherals, and package details, refer to the official datasheet for this exact device package variant.

Features

Key features of STM32L431VCI6 (highlights):
- Core: 32‑bit ARM Cortex‑M4F with FPU
- Clock: Up to ~80 MHz
- Memory: Up to 512 KB Flash; up to 64 KB RAM (device variants vary)
- Memory/Bus: DMA controller for peripherals and memory
- Low power: multiple power modes (Sleep, Stop, Standby) with VBAT/RTC support
- USB: USB 2.0 Full‑Speed device (FS)
- Analog: 12‑bit ADC with multiple channels
- Timers: multiple 16/32‑bit general-purpose/timers (including at least one advanced-control timer)
- Communication: multiple USART/UARTs (including LPUART), SPI, I2C, I2S
- Other peripherals: CRC, ADC comparators, and various GPIOs
- Voltage/Temp: 1.65–3.6 V supply; industrial temperature range (-40 to +85°C)
- Package: compact LQFP/UFQFPN option set (e.g., 48‑pin family variants)
- Features: standard ST ecosystem with HAL/LL libraries and ST’s security/protection features
Note: exact flash/RAM counts and available peripherals can vary by exact device revision within STM32L431VCI6; consult the datasheet for the precise variant.

Package

LQFP-100 (Low-profile Quad Flat Package, 100 pins; 10×10 mm).

Pinout

- Pin count: 64 pins (LQFP-64 package)
- Function: 32-bit ARM Cortex-M4 microcontroller (STM32L4 family) with ultra-low-power operation for embedded applications (integrated peripherals such as USB, ADC, timers, etc.).

Manufacturer

- Manufacturer: STMicroelectronics (ST)
- What kind of company: A multinational semiconductor company that designs, manufactures, and sells integrated circuits and microelectronics (headquartered in Geneva, Switzerland; formed from a French-Italian merger).

Application

STM32L431VCI6 is a low‑power Cortex‑M4 MCU suitable for battery-powered, space‑constrained devices. Common applications include:
- Wearables and personal health devices
- Battery-powered IoT sensors and asset-tracking nodes
- Portable test/measurement equipment and data loggers
- LCD-based consumer and smart‑home devices (thermostats, meters, remotes)
- Industrial monitoring and control with strict power budgets

Equivalent

Not a direct cross-vendor equivalent. Closest ST options: other STM32L4/L4+-series MCUs with similar memory/peripherals (e.g., STM32L432, STM32L452, STM32L476 in comparable packages). Outside ST, common Cortex-M4F peers include NXP LPC55S6x/LPC55S69 and Microchip ATSAME54/ATSAME70. However, pinouts and peripherals differ; use datasheet cross-reference tools to confirm compatibility.

Versand

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