Overview
The STM32L151C6U6TR is an ultra-low-power microcontroller from STMicroelectronics, based on the ARM Cortex-M3 32-bit RISC core. This device is part of the STM32L151x6/8/B series and is designed for applications requiring high performance and low power consumption. It operates at a frequency of up to 32 MHz and features a comprehensive set of peripherals and communication interfaces, making it suitable for a wide range of applications, including those in the industrial, medical, and consumer electronics sectors.
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 |
| ADC | 12-bit, up to 24 channels, 1 Msps |
| DAC | 12-bit, 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Timers | 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers |
| Communication Interfaces | 1x USB 2.0, 3x USARTs, 2x SPIs, 2x I2Cs |
| Capacitive Sensing Channels | Up to 20 channels |
| Package | UFQFPN48 |
Key Features
- Ultra-low-power platform with various power-saving modes (Standby, Stop, Low-power run)
- Low power consumption: 0.3 μA in Standby mode, 0.9 μA in Standby mode + RTC, 0.57 μA in Stop mode, and 9 μA in Low-power run mode
- High-speed embedded memories: Flash, RAM, and true EEPROM
- Rich analog peripherals: 12-bit ADC, 12-bit DAC, ultra-low-power comparators
- Extensive range of enhanced I/Os and peripherals connected to two APB buses
- Real-time clock and backup registers that remain powered in Standby mode
- Support for capacitive sensing with up to 20 channels
- Comprehensive development support: Serial wire debug, JTAG, and trace supported
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
Applications
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring low power and high reliability
- IoT devices and sensor networks
- Touch sensing applications with support for touchkey, linear, and rotary touch sensors
Q & A
- What is the core architecture of the STM32L151C6U6TR?
The core architecture is based on the ARM Cortex-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L151C6U6TR?
The maximum operating frequency is up to 32 MHz.
- What is the power supply range for the STM32L151C6U6TR?
The power supply range is from 1.65 V to 3.6 V.
- What are the key power-saving modes available in the STM32L151C6U6TR?
The key power-saving modes include Standby, Stop, and Low-power run modes.
- What types of communication interfaces are supported by the STM32L151C6U6TR?
The device supports USB 2.0, USARTs, SPIs, and I2Cs.
- Does the STM32L151C6U6TR support capacitive sensing?
- What is the temperature range for the STM32L151C6U6TR?
The temperature range is -40°C to +85°C, extended to +105°C in low power dissipation state.
- What types of timers are available on the STM32L151C6U6TR?
The device includes 6x 16-bit timers with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, and 2x watchdog timers.
- Does the STM32L151C6U6TR have any built-in memory protection features?
- What is the package type for the STM32L151C6U6TR?
The package type is UFQFPN48.
