Overview
The STM32L073RBT6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It integrates the high-performance Arm Cortex-M0+ 32-bit RISC core operating at a 32 MHz frequency, along with a memory protection unit (MPU) and high-speed embedded memories. The device features up to 192 Kbytes of Flash memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM, all with ECC. It also includes a range of analog and digital peripherals, making it suitable for a wide range of low-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm Cortex-M0+ 32-bit RISC |
| Maximum 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 |
| Supply Voltage | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to 125°C |
| Package | LQFP 64 (10x10x1.4 mm) |
| I/Os | Up to 84 fast I/Os (78 I/Os 5V tolerant) |
| Analog Peripherals | 12-bit ADC, 2x 12-bit DACs, 2 ultra-low-power comparators |
| Communication Interfaces | USB 2.0 crystal-less, up to 3 I2Cs, 2 SPIs, 1 I2S, 4 USARTs, 1 LPUART |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, and Run modes)
- High-performance Arm Cortex-M0+ 32-bit RISC 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, 2x 12-bit DACs, 2 ultra-low-power comparators
- Extensive range of communication interfaces: USB 2.0 crystal-less, I2C, SPI, I2S, USART, LPUART
- Integrated LCD controller with built-in LCD voltage generator
- Up to 24 capacitive sensing channels for touch sensing functionality
- Internal voltage adaptation and multiple clock sources
- Ultra-safe, low-power BOR (brownout reset) and programmable voltage detector (PVD)
- Serial wire debug supported and pre-programmed bootloader
Applications
The STM32L073RBT6 is designed for a variety of low-power applications, including:
- IoT devices and smart home appliances
- Wearable devices and health monitors
- Industrial automation and control systems
- Consumer electronics requiring low power consumption
- Medical devices and diagnostic equipment
- Automotive systems and accessories
Q & A
- What is the core architecture of the STM32L073RBT6?
The STM32L073RBT6 features an Arm Cortex-M0+ 32-bit RISC core.
- What is the maximum operating frequency of the STM32L073RBT6?
The maximum operating frequency is up to 32 MHz.
- What are the memory specifications of the STM32L073RBT6?
It includes up to 192 Kbytes of Flash memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM.
- What is the supply voltage range for the STM32L073RBT6?
The supply voltage range is from 1.65 V to 3.6 V.
- What are the key analog peripherals of the STM32L073RBT6?
The device features a 12-bit ADC, 2x 12-bit DACs, and 2 ultra-low-power comparators.
- Does the STM32L073RBT6 support USB connectivity?
Yes, it supports USB 2.0 crystal-less connectivity.
- What are the power-saving modes available on the STM32L073RBT6?
The device features Standby, Stop, and Run modes for power saving.
- Is the STM32L073RBT6 RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 rating.
- What is the operating temperature range of the STM32L073RBT6?
The operating temperature range is from -40°C to 125°C.
- Does the STM32L073RBT6 support touch sensing functionality?
Yes, it supports up to 24 capacitive sensing channels for touch sensing.
