Overview
The STM32L151C8T6TR is an ultra-low-power 32-bit microcontroller from STMicroelectronics, based on the ARM Cortex-M3 core. This MCU is designed to offer high performance and low power consumption, making it suitable for a wide range of applications that require energy efficiency. The device operates at a frequency of up to 32 MHz and features a comprehensive set of peripherals and interfaces.
The STM32L151C8T6TR is part of the STM32L1 series, which is known for its ultra-low-power platform, allowing for extended battery life in portable devices. It includes advanced power-saving modes, such as Standby, Stop, and Low-power run modes, with current consumption as low as 0.3 µA in Standby mode.
Key Specifications
| Specification | Details |
|---|---|
| Core Architecture | ARM Cortex-M3 32-bit RISC |
| Frequency | Up to 32 MHz |
| Flash Memory | Up to 64 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 (down to 1.65 V at power down) |
| Operating Temperature | -40°C to 85°C (extended to 105°C in low power dissipation state) |
| ADC | 12-bit, 1 Msps, up to 24 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Comparators | 2 ultra-low-power comparators (window mode and wake up capability) |
| 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 |
| I/Os | Up to 83 fast I/Os (73 I/Os 5V tolerant) |
| Package | LQFP48 |
Key Features
- Ultra-low-power platform: Features Standby, Stop, and Low-power run modes with low current consumption (e.g., 0.3 µA in Standby mode).
- Rich analog peripherals: Includes a 12-bit ADC, 2x 12-bit DACs, and 2 ultra-low-power comparators.
- Advanced 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 (MPU): Enhances system security and reliability.
- Real-time clock and backup registers: Maintains time and data even in Standby mode.
- High-speed embedded memories: Includes Flash, RAM, and true EEPROM.
- Multiple power-saving modes: Allows for the design of low-power applications.
Applications
- Portable and battery-powered devices: Ideal for applications requiring low power consumption to extend battery life.
- Industrial automation and control systems: Utilizes advanced communication interfaces and robust peripherals.
- Consumer electronics: Suitable for devices that require touch sensing and low power operation.
- Medical devices: Benefits from the ultra-low-power features and advanced analog peripherals.
- Automotive systems: Can be used in various automotive applications due to its robustness and low power consumption.
Q & A
- What is the core architecture of the STM32L151C8T6TR?
The core architecture is based on the ARM Cortex-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L151C8T6TR?
The maximum operating frequency is up to 32 MHz.
- What is the power supply range for the STM32L151C8T6TR?
The power supply range is from 1.65 V to 3.6 V.
- What types of communication interfaces does the STM32L151C8T6TR support?
The device supports USB 2.0, USARTs, SPIs, and I2Cs.
- How many capacitive sensing channels does the STM32L151C8T6TR have?
It has up to 20 capacitive sensing channels.
- What is the maximum temperature range for the STM32L151C8T6TR?
The operating temperature range is from -40°C to 85°C, extended to 105°C in low power dissipation state.
- Does the STM32L151C8T6TR have a memory protection unit (MPU)?
Yes, it includes a memory protection unit (MPU).
- What is the current consumption in Standby mode for the STM32L151C8T6TR?
The current consumption in Standby mode is as low as 0.3 µA.
- How many I/Os does the STM32L151C8T6TR have?
It has up to 83 fast I/Os (73 I/Os 5V tolerant).
- What package type is the STM32L151C8T6TR available in?
The device is available in an LQFP48 package.
