Overview
The STM32L162RDT6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L162xD 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, including USB, USART, SPI, I2C, and SDIO. The device also includes rich analog peripherals such as operational amplifiers, a 12-bit ADC, and DACs. The STM32L162RDT6 is available in various package options, including LQFP64 and WLCSP64, making it versatile for different design needs.
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 | 384 Kbytes with ECC |
| RAM | 48 Kbytes |
| EEPROM | 12 Kbytes with ECC |
| Backup Register | 128-byte |
| ADC | 12-bit, 1 Msps, up to 40 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Operational Amplifiers | 3 |
| Comparators | 2 ultra-low-power comparators |
| Timers | 1x 32-bit, 6x 16-bit, 2x 16-bit basic timers, 2x watchdog timers |
| Communication Interfaces | USB 2.0, 5x USARTs, up to 8x SPIs, 2x I2Cs, 1x SDIO |
| Power Modes | Standby: 305 nA, Stop: 0.475 µA, Low-power run: 11 µA, Run: 230 µA/MHz |
| Package Options | LQFP64, WLCSP64 |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run, Run)
- AES-128 bit encryption hardware accelerator
- Rich analog peripherals including 3 operational amplifiers, 12-bit ADC, and 12-bit DACs
- Extensive range of communication interfaces: USB 2.0, USART, SPI, I2C, SDIO
- Up to 34 capacitive sensing channels for touch sensing functionality
- Integrated LCD controller with LCD voltage generator
- Low-power, ultrasafe BOR (brownout reset) with 5 selectable thresholds
- Programmable voltage detector (PVD) and ultra-low-power POR/PDR
- Support for serial wire debug, JTAG, and trace
- Up to 116 fast I/Os (102 I/Os 5V tolerant)
Applications
- Low-power IoT devices
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems needing high reliability and low power
- Energy harvesting applications
Q & A
- What is the core architecture of the STM32L162RDT6?
The core architecture is based on the Arm® Cortex®-M3 32-bit RISC CPU.
- What is the operating voltage range of the STM32L162RDT6?
The operating voltage range is from 1.65 V to 3.6 V.
- What are the different power modes available on the STM32L162RDT6?
The device supports Standby, Stop, Low-power run, and Run modes.
- What types of communication interfaces are available on the STM32L162RDT6?
The device includes USB 2.0, USART, SPI, I2C, and SDIO interfaces.
- Does the STM32L162RDT6 support touch sensing functionality?
- What is the maximum frequency of the CPU?
The CPU operates at a maximum frequency of 32 MHz.
- What types of memory are available on the STM32L162RDT6?
The device includes 384 Kbytes of Flash memory, 48 Kbytes of RAM, and 12 Kbytes of EEPROM.
- Does the STM32L162RDT6 have built-in encryption capabilities?
- What are the package options for the STM32L162RDT6?
The device is available in LQFP64 and WLCSP64 packages.
- What is the temperature range for the STM32L162RDT6?
The operating temperature range is from -40°C to 105°C.
