Overview
The STM32L162VCT6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L1 series. It integrates the high-performance 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 wide range of peripherals and interfaces. It includes high-speed embedded memories, extensive I/Os, and advanced communication interfaces such as USB, USARTs, SPIs, and I2Cs. The device also supports touch sensing, LCD driving, and real-time clock functions, making it versatile for various applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® Cortex®-M3 32-bit CPU |
| Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40°C to 105°C |
| Flash Memory | 256 Kbytes with ECC |
| RAM | 32 Kbytes |
| EEPROM | 8 Kbytes with ECC |
| Backup Register | 128 bytes |
| ADC | 12-bit, 1 Msps, up to 25 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Timers | 1x 32-bit, 6x 16-bit, 2x basic timers, 2x watchdog timers |
| Communication Interfaces | USB 2.0, 3x USARTs, up to 8x SPIs, 2x I2Cs |
| Capacitive Sensing Channels | Up to 23 channels |
| Operational Amplifiers | 2x |
| Comparators | 2x ultra-low-power comparators |
| Package | LQFP 100 (14x14x1.4 mm) |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run mode)
- AES-128 bit encryption hardware accelerator
- Memory protection unit and reset and supply management
- Low-power, ultrasafe BOR (brownout reset) with 5 selectable thresholds
- Programmable voltage detector (PVD) and clock sources including crystal oscillators and internal RC oscillators
- Pre-programmed bootloader and support for serial wire debug, JTAG, and trace
- Up to 83 fast I/Os (70 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
- LCD driver for up to 8×40 segments with contrast adjustment and blinking mode
- Rich analog peripherals including operational amplifiers, ADC, DAC, and ultra-low-power comparators
- DMA controller with 12 channels and extensive communication interfaces
- Up to 23 capacitive sensing channels and CRC calculation unit with 96-bit unique ID
Applications
- Low-power IoT devices and smart home applications
- Industrial automation and control systems
- Medical devices requiring low power consumption and high reliability
- Consumer electronics such as wearables and handheld devices
- Automotive systems, especially those requiring low power and high performance
- Touch sensing and LCD-based user interfaces
Q & A
- What is the core architecture of the STM32L162VCT6?
The core architecture is based on the Arm® Cortex®-M3 32-bit RISC CPU.
- What is the operating voltage range of the STM32L162VCT6?
The operating voltage range is from 1.65 V to 3.6 V.
- What are the key power-saving modes available in the STM32L162VCT6?
The key power-saving modes include Standby, Stop, and Low-power run mode.
- Does the STM32L162VCT6 support encryption?
Yes, it includes an AES-128 bit encryption hardware accelerator.
- What types of communication interfaces are available on the STM32L162VCT6?
The device supports USB 2.0, USARTs, SPIs, and I2Cs.
- How many capacitive sensing channels does the STM32L162VCT6 offer?
It offers up to 23 capacitive sensing channels.
- What is the maximum frequency of the CPU?
The maximum frequency of the CPU is up to 32 MHz.
- Does the STM32L162VCT6 support LCD driving?
Yes, it includes an LCD driver for up to 8×40 segments with contrast adjustment and blinking mode.
- What is the temperature range for the STM32L162VCT6?
The temperature range is from -40°C to 105°C.
- What types of timers are available on the STM32L162VCT6?
The device includes 1x 32-bit timer, 6x 16-bit timers, 2x basic timers, and 2x watchdog timers.
