Overview
The STM32L162RET6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L1 series. It is based on the Arm Cortex-M3 32-bit CPU and is designed for applications requiring low power consumption and high performance. This MCU is particularly suited for battery-powered devices, IoT applications, and other systems where energy efficiency is crucial.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm Cortex-M3 32-bit CPU |
| Clock Speed | Up to 32 MHz |
| Memory | 512 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 |
| Low-Power Modes | Standby mode: 0.29 µA, Stop mode: 0.44 µA, Low-power run mode: 8.6 µA |
| Communication Interfaces | USB 2.0, 3x USARTs, up to 8x SPIs, 2x I2Cs |
| Analog Peripherals | 12-bit ADC, 12-bit DAC, 2x operational amplifiers, 2x ultra-low-power comparators |
| Package | LQFP64 (10 x 10 mm) |
Key Features
- Ultra-low-power platform with multiple low-power modes (Standby, Stop, Low-power run)
- AES-128 bit encryption hardware accelerator for secure data processing
- Rich analog peripherals including ADC, DAC, operational amplifiers, and ultra-low-power comparators
- Support for LCD display with up to 8x40 segments and contrast adjustment
- Multiple communication interfaces: USB 2.0, USARTs, SPIs, I2Cs
- 12x DMA channels and 11x timers including 32-bit and 16-bit timers
- Capacitive sensing with up to 23 channels
- CRC calculation unit and 96-bit unique ID
- Development support with serial wire debug, JTAG, and trace
Applications
- Battery-powered devices such as smart meters, fitness trackers, and wireless sensors
- IoT applications requiring low power consumption and high performance
- Industrial automation and control systems
- Medical devices such as portable diagnostic equipment and wearables
- Automotive systems, especially those requiring low power and high reliability
Q & A
- What is the core architecture of the STM32L162RET6TR?
The core architecture is based on the Arm Cortex-M3 32-bit CPU.
- What is the maximum clock speed of the STM32L162RET6TR?
The maximum clock speed is up to 32 MHz.
- What are the memory specifications of the STM32L162RET6TR?
It includes 512 Kbytes of Flash memory, 32 Kbytes of RAM, and 8 Kbytes of true EEPROM.
- What is the power supply range for the STM32L162RET6TR?
The power supply range is from 1.65 V to 3.6 V.
- What are the low-power modes available in the STM32L162RET6TR?
The available low-power modes include Standby mode (0.29 µA), Stop mode (0.44 µA), and Low-power run mode (8.6 µA).
- Does the STM32L162RET6TR support LCD displays?
Yes, it supports LCD displays with up to 8x40 segments and includes features like contrast adjustment and blinking mode.
- What communication interfaces are available on the STM32L162RET6TR?
The available communication interfaces include USB 2.0, 3x USARTs, up to 8x SPIs, and 2x I2Cs.
- What kind of analog peripherals does the STM32L162RET6TR have?
The MCU includes 12-bit ADC, 12-bit DAC, 2x operational amplifiers, and 2x ultra-low-power comparators.
- Is the STM32L162RET6TR suitable for IoT applications?
Yes, it is highly suitable for IoT applications due to its ultra-low-power consumption and high performance.
- What development tools are supported by the STM32L162RET6TR?
The MCU supports serial wire debug, JTAG, and trace for development and debugging.
