規格
| 屬性 | 價值 |
| Package | Tray |
| Series | STM32L4 |
| ProductStatus | Active |
| CoreProcessor | ARM® Cortex®-M4 |
| CoreSize | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| NumberofI/O | 39 |
| ProgramMemorySize | 256KB (256K x 8) |
| ProgramMemoryType | FLASH |
| RAMSize | 64K x 8 |
| Voltage-Supply(Vcc/Vdd) | 1.71V ~ 3.6V |
| DataConverters | A/D 10x12b; D/A 2x12b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 48-UFQFN Exposed Pad |
概述
Description
The STM32L431CCU6 is a low-power, high-performance ARM Cortex-M4 microcontroller from STMicroelectronics. Key features:
- Core: 32-bit Cortex-M4 with FPU, running at 80 MHz.
- Memory: 256 KB Flash, 64 KB SRAM.
- Power Efficiency: Ultra-low-power modes (down to 28 nA in shutdown).
- Peripherals: Rich set including USB 2.0, ADC, DAC, timers, USART, SPI, I2C, and CAN.
- Security: Hardware encryption (AES, PKA).
- Package: 48-pin UFQFPN (compact, surface-mount).
Ideal for battery-powered IoT, wearables, and embedded applications requiring efficiency and performance.
- Core: 32-bit Cortex-M4 with FPU, running at 80 MHz.
- Memory: 256 KB Flash, 64 KB SRAM.
- Power Efficiency: Ultra-low-power modes (down to 28 nA in shutdown).
- Peripherals: Rich set including USB 2.0, ADC, DAC, timers, USART, SPI, I2C, and CAN.
- Security: Hardware encryption (AES, PKA).
- Package: 48-pin UFQFPN (compact, surface-mount).
Ideal for battery-powered IoT, wearables, and embedded applications requiring efficiency and performance.
Equivalent
The STM32L431CCU6 (Ultra-low-power Cortex-M4) has several equivalents:
- STM32L432KCU6: Similar specs, fewer GPIOs.
- STM32L433CCU6: Adds AES encryption.
- STM32L443CCU6: Enhanced security (TRNG, PKA).
- STM32L451CCU6: More RAM/flash, additional peripherals.
- STM32L471CCU6: Higher performance, more features.
Alternatives from other brands:
- NXP Kinetis K32L2B: Ultra-low-power M0+/M4.
- Silicon Labs EFM32PG12: Energy-friendly M4.
Choose based on power, peripherals, or security needs.
- STM32L432KCU6: Similar specs, fewer GPIOs.
- STM32L433CCU6: Adds AES encryption.
- STM32L443CCU6: Enhanced security (TRNG, PKA).
- STM32L451CCU6: More RAM/flash, additional peripherals.
- STM32L471CCU6: Higher performance, more features.
Alternatives from other brands:
- NXP Kinetis K32L2B: Ultra-low-power M0+/M4.
- Silicon Labs EFM32PG12: Energy-friendly M4.
Choose based on power, peripherals, or security needs.
Features
The STM32L431CCU6 is a low-power ARM Cortex-M4 MCU with these key features:
- Core: 80 MHz Cortex-M4 with FPU and DSP instructions
- Memory: 256 KB Flash, 64 KB SRAM
- Power: Ultra-low-power (ULP) operation (down to 28 nA in shutdown mode)
- Peripherals:
- 12-bit ADC (5 Msps), 12-bit DAC
- USB 2.0 FS, USART, SPI, I²C, CAN
- AES-128/256, PKA (Public Key Accelerator)
- Timers: 16-bit & 32-bit timers, LP timers
- Packaging: 48-pin UFQFPN (7x7 mm)
- Operating Voltage: 1.71V to 3.6V
- Temp Range: -40°C to +85°C
Ideal for battery-powered IoT, wearables, and embedded apps requiring security and efficiency.
- Core: 80 MHz Cortex-M4 with FPU and DSP instructions
- Memory: 256 KB Flash, 64 KB SRAM
- Power: Ultra-low-power (ULP) operation (down to 28 nA in shutdown mode)
- Peripherals:
- 12-bit ADC (5 Msps), 12-bit DAC
- USB 2.0 FS, USART, SPI, I²C, CAN
- AES-128/256, PKA (Public Key Accelerator)
- Timers: 16-bit & 32-bit timers, LP timers
- Packaging: 48-pin UFQFPN (7x7 mm)
- Operating Voltage: 1.71V to 3.6V
- Temp Range: -40°C to +85°C
Ideal for battery-powered IoT, wearables, and embedded apps requiring security and efficiency.
Pinout
The STM32L431CCU6 is a 48-pin microcontroller in a UFQFPN package (7x7 mm). Key functions include:
- Core: ARM Cortex-M4 (80 MHz, with FPU)
- Memory: 256 KB Flash, 64 KB SRAM
- GPIO: Up to 39 I/O pins (5V-tolerant, interrupt-capable)
- Peripherals:
- 12-bit ADC (16 ch)
- 2x DACs
- 4x USART, 2x SPI, 2x I²C
- USB 2.0 FS, CAN 2.0B
- 7x timers (incl. 16/32-bit)
- Power: Ultra-low-power (LQFP48 footprint compatible).
Pins include VDD/VSS (power), NRST (reset), BOOT0, and debug (SWD: SWCLK, SWDIO).
- Core: ARM Cortex-M4 (80 MHz, with FPU)
- Memory: 256 KB Flash, 64 KB SRAM
- GPIO: Up to 39 I/O pins (5V-tolerant, interrupt-capable)
- Peripherals:
- 12-bit ADC (16 ch)
- 2x DACs
- 4x USART, 2x SPI, 2x I²C
- USB 2.0 FS, CAN 2.0B
- 7x timers (incl. 16/32-bit)
- Power: Ultra-low-power (LQFP48 footprint compatible).
Pins include VDD/VSS (power), NRST (reset), BOOT0, and debug (SWD: SWCLK, SWDIO).
Manufacturer
The STM32L431CCU6 is manufactured by STMicroelectronics (ST), a multinational semiconductor and electronics company headquartered in Geneva, Switzerland.
STMicroelectronics specializes in designing and producing microcontrollers, sensors, power management ICs, and other semiconductor solutions. The STM32 series, including the STM32L431CCU6, is a popular line of ARM Cortex-M-based microcontrollers known for energy efficiency, performance, and versatility in embedded applications.
ST serves industries like automotive, industrial, consumer electronics, and IoT, emphasizing innovation and reliability.
STMicroelectronics specializes in designing and producing microcontrollers, sensors, power management ICs, and other semiconductor solutions. The STM32 series, including the STM32L431CCU6, is a popular line of ARM Cortex-M-based microcontrollers known for energy efficiency, performance, and versatility in embedded applications.
ST serves industries like automotive, industrial, consumer electronics, and IoT, emphasizing innovation and reliability.
Application
The STM32L431CCU6, an ultra-low-power Cortex-M4 MCU, is ideal for:
- IoT devices (sensors, wearables, smart home)
- Battery-powered systems (medical devices, remote monitors)
- Industrial automation (control systems, HMI)
- Consumer electronics (fitness trackers, wireless peripherals)
- Energy-efficient embedded apps (smart meters, lighting control)
Its low power consumption, rich peripherals (USB, ADC, DAC), and ARM Cortex-M4 core make it suitable for real-time, power-sensitive applications.
- IoT devices (sensors, wearables, smart home)
- Battery-powered systems (medical devices, remote monitors)
- Industrial automation (control systems, HMI)
- Consumer electronics (fitness trackers, wireless peripherals)
- Energy-efficient embedded apps (smart meters, lighting control)
Its low power consumption, rich peripherals (USB, ADC, DAC), and ARM Cortex-M4 core make it suitable for real-time, power-sensitive applications.
Package
The STM32L431CCU6 comes in a UFQFPN48 package. This is a 48-pin, ultra-thin fine-pitch quad flat package with no leads (QFN), measuring 7x7 mm with a 0.5 mm pitch. It is surface-mountable, compact, and suitable for space-constrained applications. The package includes exposed thermal pads for improved heat dissipation.
