Overview
The STM32L072CZY6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L072xx family. It integrates 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 features a wide range of enhanced I/Os and peripherals. It includes a memory protection unit (MPU), high-speed embedded memories, and extensive analog and digital peripherals. The device is suitable 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 |
| 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 |
| Timers | 11 timers including 16-bit, ultra-low-power, SysTick, and RTC |
| Communication Interfaces | USB 2.0 crystal-less, 4 USARTs, 1 UART (low power), up to 6 SPI, 3 I2C |
| Capacitive Sensing Channels | Up to 24 channels |
| Package | WLCSP 49 3.3x3.3x0.6 P 0.4 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 Flash, 20 Kbytes RAM, 6 Kbytes EEPROM
- Rich analog peripherals: 12-bit ADC, 2 x 12-bit DACs, ultra-low-power comparators
- Extensive range of timers and watchdogs
- Advanced communication interfaces: USB 2.0 crystal-less, USART, SPI, I2C
- Up to 24 capacitive sensing channels for touch sensing
- 7-channel DMA controller and CRC calculation unit
- True RNG and firewall protection
- Ultra-safe, low-power BOR and programmable voltage detector
Applications
- IoT devices requiring low power consumption
- Industrial automation and control systems
- Medical devices and healthcare applications
- Consumer electronics such as smart home devices and wearables
- Automotive systems and telematics
- Energy harvesting and battery-powered devices
Q & A
- What is the core architecture of the STM32L072CZY6TR?
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 STM32L072CZY6TR?
The maximum frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L072CZY6TR?
The device operates from 1.65 V to 3.6 V.
- What are the low-power modes available in the STM32L072CZY6TR?
The device features Standby, Stop, and Stop + RTC + RAM retention modes.
- What is the wakeup time from Flash memory?
The wakeup time is 5 µs.
- What analog peripherals are available on the STM32L072CZY6TR?
The device includes a 12-bit ADC, 2 x 12-bit DACs, and ultra-low-power comparators.
- What communication interfaces are supported by the STM32L072CZY6TR?
The device supports USB 2.0 crystal-less, USART, SPI, and I2C interfaces.
- How many capacitive sensing channels does the STM32L072CZY6TR have?
The device has up to 24 capacitive sensing channels.
- What is the package type of the STM32L072CZY6TR?
The package type is WLCSP 49 3.3x3.3x0.6 P 0.4 mm.
- Does the STM32L072CZY6TR support DMA and CRC calculations?
Yes, it supports a 7-channel DMA controller and CRC calculation unit.
- What security features are included in the STM32L072CZY6TR?
The device includes true RNG and firewall protection.
