Overview
The STM32L151R6T6 is an ultra-low-power microcontroller from STMicroelectronics, based on the ARM Cortex-M3 32-bit RISC core. This device is part of the STM32L1 series, known for its high performance and low power consumption. The STM32L151R6T6 operates at a frequency of up to 32 MHz and features 32 KB of Flash memory, 10 KB of RAM, and 4 KB of EEPROM. It is designed to support a wide range of applications requiring low power and high efficiency, making it ideal for battery-powered and portable devices.
Key Specifications
| Parameter | Value |
|---|---|
| Core | ARM Cortex-M3, 32-bit |
| Clock Speed | Up to 32 MHz |
| Flash Memory | 32 KB |
| RAM | 10 KB |
| EEPROM | 4 KB |
| Package | 64-LQFP (10x10 mm) |
| Supply Voltage | 1.8 V to 3.6 V |
| Operating Temperature | -40°C to 85°C (up to 105°C in low power dissipation state) |
| I/Os | Up to 51 I/Os (5V tolerant) |
| Communication Interfaces | USB 2.0, 3x USARTs, 2x SPIs, 2x I2Cs, UART/USART, IrDA |
| Analog Peripherals | 12-bit ADC (up to 24 channels), 2x 12-bit DACs, 2 ultra-low-power comparators |
| Timers | 6x 16-bit timers, 2x 16-bit basic timers, 2x watchdog timers |
| Capacitive Sensing Channels | Up to 20 channels |
Key Features
- Ultra-low-power platform: Offers multiple power-saving modes including Standby, Stop, and Low-power run modes.
- High-performance core: ARM Cortex-M3 32-bit CPU operating at up to 32 MHz.
- Rich peripherals: Includes 12-bit ADC, 2x 12-bit DACs, 2 ultra-low-power comparators, and multiple communication interfaces.
- Low-power operation: Supports operation from 1.8 V to 3.6 V and has a low current consumption in various modes (e.g., 0.3 μA in Standby mode).
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, I2Cs, and IrDA.
- Capacitive sensing: Up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- Real-time clock and backup registers: Includes a real-time clock and backup registers that remain powered in Standby mode.
- High-speed I/Os: Up to 51 I/Os, all mappable on 16 external interrupt vectors.
Applications
- Consumer electronics: Suitable for battery-powered devices and portable electronics.
- Industrial control systems: Used in industrial automation and control systems due to its robust design and low power consumption.
- Portable medical devices: Ideal for medical devices that require low power and high reliability.
- IoT devices: Can be used in various IoT applications requiring low power and efficient communication interfaces.
Q & A
- What is the core architecture of the STM32L151R6T6?
The core architecture is based on the ARM Cortex-M3 32-bit RISC core.
- What is the maximum clock speed of the STM32L151R6T6?
The maximum clock speed is up to 32 MHz.
- How much Flash memory does the STM32L151R6T6 have?
The device has 32 KB of Flash memory.
- What are the power-saving modes available on the STM32L151R6T6?
The device supports Standby, Stop, and Low-power run modes among others.
- What communication interfaces are available on the STM32L151R6T6?
The device includes USB 2.0, USARTs, SPIs, I2Cs, and IrDA.
- What is the operating temperature range of the STM32L151R6T6?
The operating temperature range is from -40°C to 85°C (up to 105°C in low power dissipation state).
- How many I/Os does the STM32L151R6T6 have?
The device has up to 51 I/Os.
- Does the STM32L151R6T6 support capacitive sensing?
Yes, it supports up to 20 capacitive sensing channels.
- What is the supply voltage range for the STM32L151R6T6?
The supply voltage range is from 1.8 V to 3.6 V.
- Is the STM32L151R6T6 RoHS compliant?
Yes, the device is RoHS compliant.
