Overview
The STM32L151C8U6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L series. It is based on the ARM Cortex-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This device is designed for applications requiring low power consumption and high performance. It features a comprehensive set of peripherals, including high-speed embedded memories, extensive I/Os, and advanced communication interfaces. The STM32L151C8U6TR is particularly suited for battery-powered devices and other low-power applications due to its various power-saving modes and ultra-low-power features.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M3 32-bit CPU |
| Frequency | Up to 32 MHz |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80 bytes |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40°C to 85°C / 105°C in low power dissipation state |
| Standby Mode Current | 0.3 μA (3 wakeup pins), 0.9 μA (with RTC) |
| Stop Mode Current | 0.57 μA (16 wakeup lines), 1.2 μA (with RTC) |
| Low-Power Run Mode Current | 9 μA |
| Run Mode Current | 214 μA/MHz |
| I/O Leakage | 10 nA ultra-low I/O leakage |
| Wakeup Time | < 8 μs |
| ADC | 12-bit, 1 Msps, up to 24 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | 6 general-purpose 16-bit timers, 2 basic 16-bit timers, 2 watchdog timers |
| Communication Interfaces | 1x USB 2.0, 3x USARTs, 2x SPIs, 2x I2Cs |
| Capacitive Sensing Channels | Up to 20 channels |
| Package | UFQFPN 48 7x7x0.55 mm |
Key Features
- Ultra-low-power platform: Designed for low power consumption with various power-saving modes.
- High-performance core: ARM Cortex-M3 32-bit CPU operating at up to 32 MHz.
- Advanced peripherals: Includes 12-bit ADC, 12-bit DAC, ultra-low-power comparators, and multiple timers.
- Rich communication interfaces: Supports USB 2.0, USARTs, SPIs, and I2Cs.
- Capacitive sensing: Up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- Memory protection unit: Enhances system security and reliability.
- Low-power clock sources: Includes crystal oscillators, internal RC oscillators, and a PLL for CPU and USB clock.
- Development support: Serial wire debug, JTAG, and trace supported.
Applications
- Battery-powered devices: Ideal for applications requiring long battery life.
- IoT devices: Suitable for Internet of Things applications due to its low power consumption and rich peripherals.
- Industrial automation: Can be used in industrial control systems and automation due to its robust features and interfaces.
- Medical devices: Applicable in medical devices that require low power and high reliability.
- Consumer electronics: Suitable for various consumer electronics that need efficient power management.
Q & A
- What is the core architecture of the STM32L151C8U6TR?
The STM32L151C8U6TR is based on the ARM Cortex-M3 32-bit RISC core.
- What is the maximum frequency of the STM32L151C8U6TR?
The maximum frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L151C8U6TR?
The device operates from 1.65 V to 3.6 V.
- What are the key power-saving modes of the STM32L151C8U6TR?
The device features Standby mode (0.3 μA), Stop mode (0.57 μA), and Low-power run mode (9 μA).
- What types of communication interfaces does the STM32L151C8U6TR support?
The device supports USB 2.0, USARTs, SPIs, and I2Cs.
- How many capacitive sensing channels does the STM32L151C8U6TR have?
Up to 20 capacitive sensing channels.
- What is the temperature range for the STM32L151C8U6TR?
The device operates in the -40°C to 85°C / 105°C temperature range in low power dissipation state.
- Does the STM32L151C8U6TR support LCD driving?
No, the STM32L151C8U6TR does not include an LCD driver.
- What is the package type of the STM32L151C8U6TR?
The package type is UFQFPN 48 7x7x0.55 mm.
- What development tools are supported for the STM32L151C8U6TR?
The device supports serial wire debug, JTAG, and trace.
