Overview
The STM32L083RZH6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L083xx family. It integrates the Arm Cortex-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. This MCU is designed for high power efficiency and features a wide range of enhanced I/Os and peripherals. It includes high-speed embedded memories, extensive analog capabilities, and multiple communication interfaces, making it suitable for a variety of low-power applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm 32-bit Cortex-M0+ with MPU |
| Operating 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 Conversion | 41 µA at 10 ksps |
| Communication Interfaces | USB 2.0 crystal-less, up to 4 USARTs, up to 6 SPIs, up to 3 I2Cs, 1 I2S |
| Timers | 11 timers including 16-bit, ultra-low-power, SysTick, RTC, and watchdogs |
| Package | TFBGA 64 5x5x1.2 P 0.5 mm |
Key Features
- Ultra-low-power platform: Optimized for low-power consumption with various power-saving modes.
- High-performance core: Arm 32-bit Cortex-M0+ core operating at up to 32 MHz.
- Rich analog peripherals: 12-bit ADC, 2x 12-bit DACs, ultra-low-power comparators, and up to 24 capacitive sensing channels.
- Extensive communication interfaces: USB 2.0 crystal-less, multiple USARTs, SPIs, I2Cs, and I2S.
- Advanced security features: Hardware Encryption Engine AES 128-bit, true RNG, and firewall protection.
- Integrated LCD controller: Supports up to 8 multiplexed LCDs with contrast adjustment.
- Low-power timers and watchdogs: Includes ultra-low-power timer, SysTick, RTC, and independent/window watchdogs.
- Development support: Serial wire debug supported and pre-programmed bootloader.
Applications
The STM32L083RZH6 is suitable for a wide range of applications requiring low power consumption and high performance, including:
- Industrial automation: For control and monitoring systems that need to operate efficiently.
- Medical devices: Devices requiring low power and advanced analog capabilities.
- Consumer electronics: Battery-powered devices such as smart home devices, wearables, and IoT devices.
- Automotive systems: For applications needing robust and low-power microcontrollers.
- Smart energy management: For metering and monitoring systems that require low power and high accuracy.
Q & A
- What is the core architecture of the STM32L083RZH6?
The core is based on the Arm 32-bit Cortex-M0+ with a Memory Protection Unit (MPU).
- What is the maximum operating frequency of the STM32L083RZH6?
The maximum operating frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L083RZH6?
The device operates from 1.65 V to 3.6 V (down to 1.65 V at power down).
- What are the low-power modes available on the STM32L083RZH6?
The device features Standby, Stop, and Stop + RTC + RAM retention modes with current consumptions of 0.29 µA, 0.43 µA, and 0.86 µA respectively.
- What is the wakeup time from Flash memory?
The wakeup time from Flash memory is 5 µs.
- What analog peripherals are available on the STM32L083RZH6?
The device includes a 12-bit ADC, 2x 12-bit DACs, ultra-low-power comparators, and up to 24 capacitive sensing channels.
- What communication interfaces does the STM32L083RZH6 support?
The device supports USB 2.0 crystal-less, multiple USARTs, SPIs, I2Cs, and I2S.
- Does the STM32L083RZH6 have integrated security features?
Yes, it includes a Hardware Encryption Engine AES 128-bit, true RNG, and firewall protection.
- What is the temperature range for the STM32L083RZH6?
The operating temperature range is -40 to 125 °C.
- What package options are available for the STM32L083RZH6?
The device is available in TFBGA 64 5x5x1.2 P 0.5 mm and LQFP 64 10x10x1.4 mm packages.
