Overview
The STM32L073VBT6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It features the Arm Cortex-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. This microcontroller is designed for high power efficiency and includes a range of advanced peripherals and interfaces. It is particularly suited for applications requiring low power consumption and high performance.
Key Specifications
| Parameter | Specification |
|---|---|
| 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 |
| 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, 4x USART, 1x UART (low power), up to 6x SPI, 3x I2C |
| Timers | 11 timers including 16-bit and ultra-low-power timers, RTC, SysTick |
| Package | LQFP 100 (14x14x1.4 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 of Flash, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM
- Rich analog peripherals: 12-bit ADC, 2 x 12-bit DACs, 2 ultra-low-power comparators
- Extensive range of communication interfaces: USB 2.0 crystal-less, USART, UART, SPI, I2C
- Up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors
- LCD driver for up to 8 multiplexed LCDs with contrast adjustment and blinking mode
- Internal voltage adaptation and multiple clock sources
- True RNG and firewall protection
- All packages are ECOPACK2 compliant
Applications
- Low-power IoT devices and smart sensors
- Portable and wearable devices
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and remote controls
- Automotive systems, especially those requiring low power and high reliability
Q & A
- What is the core architecture of the STM32L073VBT6TR?
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 STM32L073VBT6TR?
The maximum frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L073VBT6TR?
The device operates from 1.65 V to 3.6 V.
- What are the low power modes available on the STM32L073VBT6TR?
The device features Standby, Stop, and Stop + RTC + RAM retention modes with very low current consumption.
- What types of communication interfaces are available on the STM32L073VBT6TR?
The device includes USB 2.0 crystal-less, USART, UART, SPI, and I2C interfaces.
- Does the STM32L073VBT6TR support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the package type of the STM32L073VBT6TR?
The package type is LQFP 100 (14x14x1.4 mm).
- What is the temperature range for the STM32L073VBT6TR?
The device operates in the -40 to 125 °C temperature range.
- Does the STM32L073VBT6TR have an LCD driver?
Yes, it includes an LCD driver for up to 8 multiplexed LCDs with contrast adjustment and blinking mode.
- What kind of security features does the STM32L073VBT6TR have?
The device includes true RNG and firewall protection.
- Is the STM32L073VBT6TR environmentally friendly?
Yes, all packages are ECOPACK2 compliant.
