Overview
The STM32L151RCT6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L151xC and STM32L152xC series. It is based on the ARM Cortex-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This MCU is designed for low-power applications, featuring a comprehensive set of power-saving modes, including Standby, Stop, and Low-power run modes. The device supports a wide voltage range from 1.65 V to 3.6 V and operates within a temperature range of -40 °C to 105 °C.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M3 32-bit RISC core |
| Operating Frequency | Up to 32 MHz |
| Memory | 256 Kbytes of Flash memory, 32 Kbytes of RAM, 8 Kbytes of true EEPROM |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 °C to 105 °C |
| ADC | 12-bit ADC, 1 Msps, up to 25 channels |
| DAC | 12-bit DAC, 2 channels with output buffers |
| Timers | 1x 32-bit, 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, up to 8x SPIs (2x I2S), 2x I2Cs (SMBus/PMBus) |
| Capacitive Sensing Channels | Up to 23 channels |
| Operational Amplifiers | 2x operational amplifiers |
| Comparators | 2x ultra-low-power comparators |
| Backup Registers | 128-byte backup register |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run)
- Rich analog peripherals including 2 operational amplifiers, 12-bit ADC, and 12-bit DAC
- Advanced communication interfaces such as USB 2.0, USARTs, SPIs, and I2Cs
- Up to 23 capacitive sensing channels for touch sensing functionality
- Integrated LCD controller (except STM32L151xC devices) with contrast adjustment and blinking mode
- DMA controller with 12 channels
- Real-time clock and backup registers
- High-speed embedded memories and extensive range of enhanced I/Os and peripherals
Applications
- Low-power IoT devices
- Portable consumer electronics
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Automotive systems where power efficiency is crucial
- Smart home devices and sensors
Q & A
- What is the core architecture of the STM32L151RCT6TR?
The STM32L151RCT6TR is based on the ARM Cortex-M3 32-bit RISC core.
- What is the operating frequency range of the STM32L151RCT6TR?
The operating frequency range is up to 32 MHz.
- What are the memory specifications of the STM32L151RCT6TR?
The device features 256 Kbytes of Flash memory, 32 Kbytes of RAM, and 8 Kbytes of true EEPROM.
- What is the power supply voltage range for the STM32L151RCT6TR?
The power supply voltage range is from 1.65 V to 3.6 V.
- What are the key analog peripherals included in the STM32L151RCT6TR?
The device includes 2 operational amplifiers, a 12-bit ADC, and a 12-bit DAC.
- Does the STM32L151RCT6TR support capacitive sensing?
- What communication interfaces are available on the STM32L151RCT6TR?
The device includes USB 2.0, USARTs, SPIs, and I2Cs.
- Is there an integrated LCD controller in the STM32L151RCT6TR?
Yes, but it is not available in the STM32L151xC devices. It supports up to 8x40 segments with contrast adjustment and blinking mode.
- What are the power-saving modes available in the STM32L151RCT6TR?
The device features Standby, Stop, and Low-power run modes.
- What is the temperature range for the STM32L151RCT6TR?
The operating temperature range is from -40 °C to 105 °C.
