Overview
The STM32L072RZI6TR 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 frequency of up to 32 MHz. This MCU is designed for applications requiring high power efficiency and advanced peripherals.
The device features a comprehensive set of power-saving modes, including Standby, Stop, and low-power Run modes, making it suitable for battery-powered devices and other low-power applications. It also includes a memory protection unit (MPU), high-speed embedded memories, and an extensive range of enhanced I/Os and peripherals.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm 32-bit Cortex-M0+ |
| 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 |
| Supply Voltage | 1.8 V to 3.6 V (down to 1.65 V at power down) |
| Operating Temperature | -40°C to +125°C |
| Package | UFBGA 64 5x5x0.6 P 0.5 mm |
| Low-Power Modes | Standby: 0.29 µA, Stop: 0.43 µA, Stop + RTC + 20-Kbyte RAM retention: 0.86 µA |
| ADC | 1 x 12-bit ADC with hardware oversampling, up to 16 channels |
| DACs | 2 x 12-bit DACs with output buffers |
| Timers | 11 timers including 2 x 16-bit with up to 4 channels, 1 x 16-bit ultra-low-power timer, 1 x SysTick, 1 x RTC, and 2 x watchdogs |
| Communication Interfaces | Up to 3 I2Cs, 2 SPIs, 1 I2S, 4 USARTs, 1 low-power UART, and 1 crystal-less USB 2.0 |
| Capacitive Sensing Channels | Up to 24 channels supporting touchkey, linear, and rotary touch sensors |
Key Features
- Ultra-low-power platform with multiple power-saving modes
- High-performance Arm Cortex-M0+ 32-bit RISC core
- High-speed embedded memories: up to 192 Kbytes of Flash, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM
- Advanced analog peripherals: 12-bit ADC, 2 x 12-bit DACs, 2 ultra-low-power comparators
- Extensive range of enhanced I/Os and peripherals
- Up to 24 capacitive sensing channels for touch sensing functionality
- 7-channel DMA controller supporting ADC, SPI, I2C, USART, DAC, and timers
- 11 peripheral communication interfaces including USB 2.0 crystal-less, USART, SPI, and I2C
- True RNG and firewall protection for enhanced security
- CRC calculation unit and 96-bit unique ID
Applications
- Battery-powered devices such as smart meters, fitness trackers, and wearable devices
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as remote controls and home automation devices
- Automotive systems, especially those requiring low power and high reliability
Q & A
- What is the core architecture of the STM32L072RZI6TR?
The core architecture is based on the Arm 32-bit Cortex-M0+ RISC core.
- What is the maximum operating frequency of the STM32L072RZI6TR?
The maximum operating frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L072RZI6TR?
The power supply voltage ranges from 1.8 V to 3.6 V (down to 1.65 V at power down).
- What are the low-power modes available in the STM32L072RZI6TR?
The device features Standby, Stop, and low-power Run modes, with specific current consumptions for each mode.
- What types of communication interfaces are available on the STM32L072RZI6TR?
The device includes up to 3 I2Cs, 2 SPIs, 1 I2S, 4 USARTs, 1 low-power UART, and 1 crystal-less USB 2.0.
- Does the STM32L072RZI6TR support touch sensing functionality?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the temperature range for the STM32L072RZI6TR?
The operating temperature range is from -40°C to +125°C.
- What types of timers are available on the STM32L072RZI6TR?
The device includes 11 timers, including 2 x 16-bit with up to 4 channels, 1 x 16-bit ultra-low-power timer, 1 x SysTick, 1 x RTC, and 2 x watchdogs.
- Does the STM32L072RZI6TR have any security features?
Yes, it includes true RNG and firewall protection for enhanced security.
- What is the package type for the STM32L072RZI6TR?
The package type is UFBGA 64 5x5x0.6 P 0.5 mm.
