Overview
The STMicroelectronics STM32L073V8T6 is a 32-bit microcontroller designed for ultra-low-power, high-performance applications. It features the Arm Cortex-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. This microcontroller combines robust processing capabilities with advanced power-saving features, making it ideal for battery-powered devices, wearable devices, and IoT applications. The STM32L073V8T6 includes a range of peripherals and interfaces, such as USB 2.0, multiple UARTs, SPIs, I2Cs, and an integrated LCD controller, enhancing its versatility and functionality.
Key Specifications
| Specification | Description |
|---|---|
| Microcontroller Core | Arm Cortex-M0+ |
| Maximum Clock Speed | 32 MHz |
| Flash Memory | Up to 192 Kbytes (64 Kbytes for STM32L073V8T6 specifically) |
| RAM | 20 Kbytes |
| Data EEPROM | 6 Kbytes with ECC |
| Backup Register | 20 bytes |
| Package Type | LQFP-100 (14x14 mm) |
| Operating Voltage | 1.8 to 3.6 V (down to 1.65 V at power down) |
| Operating Temperature | -40 to +125 °C |
| Communication Interfaces | USB 2.0, up to 3 I2Cs, 2 SPIs, 1 I2S, 4 USARTs, 1 LPUART |
| Analog Features | 12-bit ADC, 2 DACs, 2 ultra-low-power comparators |
| Timers | 11 timers including 16-bit and ultra-low-power timers, RTC, SysTick |
Key Features
- Cortex-M0+ Core: Operates at up to 32 MHz frequency.
- Memory: Up to 192 Kbytes of Flash memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM with ECC.
- Communication Interfaces: Includes USB 2.0, multiple UARTs, SPIs, I2Cs, and an I2S interface.
- Analog Peripherals: Features a 12-bit ADC, two DACs, and two ultra-low-power comparators.
- Timers and Clocks: Includes 11 timers, an RTC, SysTick, and various clock sources.
- Power Efficiency: Offers multiple low-power modes, ultra-safe BOR, and a wide range of internal and external clock sources.
- Capacitive Sensing: Supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- LCD Controller: Built-in LCD voltage generator to drive up to 8 multiplexed LCDs.
Applications
- Battery-Powered Devices: Ideal for devices requiring low power consumption and high efficiency.
- Wearable Devices: Suitable for wearable technology due to its compact form factor and low power requirements.
- IoT Applications: Perfect for Internet of Things (IoT) devices that need robust processing and low power consumption.
- Industrial Automation: Can be used in industrial automation for its advanced communication interfaces and analog peripherals.
- Consumer Electronics: Applicable in various consumer electronics requiring low power and high performance.
Q & A
- What is the core architecture of the STM32L073V8T6?
The STM32L073V8T6 features the Arm Cortex-M0+ 32-bit RISC core.
- What is the maximum clock speed of the STM32L073V8T6?
The maximum clock speed is up to 32 MHz.
- How much Flash memory does the STM32L073V8T6 have?
The STM32L073V8T6 specifically has 64 Kbytes of Flash memory, though the series can have up to 192 Kbytes.
- What are the operating voltage and temperature ranges of the STM32L073V8T6?
The operating voltage range is 1.8 to 3.6 V (down to 1.65 V at power down), and the operating temperature range is -40 to +125 °C.
- What communication interfaces does the STM32L073V8T6 support?
The STM32L073V8T6 supports USB 2.0, up to three I2Cs, two SPIs, one I2S, four USARTs, and one LPUART.
- What analog features are available on the STM32L073V8T6?
The device features a 12-bit ADC, two DACs, and two ultra-low-power comparators.
- How many timers does the STM32L073V8T6 have?
The STM32L073V8T6 includes 11 timers, including 16-bit and ultra-low-power timers, an RTC, and SysTick.
- Does the STM32L073V8T6 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 STM32L073V8T6?
The package type is LQFP-100 (14x14 mm).
- Is the STM32L073V8T6 suitable for battery-powered devices?
Yes, it is highly suitable due to its low power consumption and multiple low-power modes.
