Overview
The STM32L083RZT6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L083xx family. It integrates the high-performance Arm Cortex-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. This MCU is designed for high power efficiency, featuring a wide range of internal and external clock sources, internal voltage adaptation, and several low-power modes. The device includes high-speed embedded memories, extensive I/Os, and a rich set of analog and digital peripherals, making it suitable for a variety of low-power applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm 32-bit Cortex-M0+ with MPU |
| Frequency | Up to 32 MHz |
| Flash Memory | Up to 192 Kbytes with ECC (2 banks with read-while-write capability) |
| RAM | 20 Kbytes |
| Data EEPROM | 6 Kbytes with ECC |
| Backup Register | 20 bytes |
| Power Supply | 1.65 V to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40 to 125 °C |
| Low-Power Modes | Standby: 0.29 µA, Stop: 0.43 µA, Stop + RTC + RAM retention: 0.86 µA |
| Wakeup Time | 5 µs from Flash memory |
| ADC | 12-bit, 1.14 Msps, up to 16 channels |
| DACs | 2 x 12-bit with output buffers |
| Comparators | 2 ultra-low-power comparators |
| Capacitive Sensing Channels | Up to 24 channels |
| Communication Interfaces | USB 2.0 crystal-less, 4 USARTs, 1 LPUART, up to 6 SPI, 3 I2C |
| Timers | 11 timers including 16-bit, ultra-low-power, SysTick, RTC, and watchdogs |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- Ultra-low-power platform with multiple low-power modes (Standby, Stop, etc.)
- High-performance Arm Cortex-M0+ core with MPU
- High-speed embedded memories: up to 192 Kbytes Flash, 20 Kbytes RAM, 6 Kbytes EEPROM
- Rich analog peripherals: 12-bit ADC, 2 x 12-bit DACs, ultra-low-power comparators
- Extensive communication interfaces: USB 2.0 crystal-less, USARTs, SPI, I2C
- Up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors
- Integrated LCD controller with LCD voltage generator
- Hardware Encryption Engine AES 128-bit and true RNG
- Ultra-safe, low-power BOR and programmable voltage detector
- Support for serial wire debug and pre-programmed bootloader
Applications
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring low power and high reliability
- IoT devices and sensor networks
- Energy harvesting applications
Q & A
- What is the core architecture of the STM32L083RZT6TR?
The core architecture is based on the Arm 32-bit Cortex-M0+ with a Memory Protection Unit (MPU).
- What is the maximum frequency of the STM32L083RZT6TR?
The maximum frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L083RZT6TR?
The power supply voltage ranges from 1.65 V to 3.6 V.
- What are the low-power modes available in the STM32L083RZT6TR?
The device features Standby, Stop, and Stop + RTC + RAM retention modes.
- How many capacitive sensing channels does the STM32L083RZT6TR support?
It supports up to 24 capacitive sensing channels.
- What types of communication interfaces are available on the STM32L083RZT6TR?
The device includes USB 2.0 crystal-less, USARTs, SPI, and I2C interfaces.
- Does the STM32L083RZT6TR have built-in encryption capabilities?
Yes, it features a Hardware Encryption Engine AES 128-bit.
- What is the temperature range for the STM32L083RZT6TR?
The operating temperature range is from -40 to 125 °C.
- What type of package is the STM32L083RZT6TR available in?
The device is available in an LQFP 64 10x10x1.4 mm package.
- Does the STM32L083RZT6TR support LCD driving?
Yes, it includes an integrated LCD controller with an LCD voltage generator.
- What is the typical current consumption in Run mode for the STM32L083RZT6TR?
The typical current consumption in Run mode is down to 93 µA/MHz.
