Overview
The STM32G071CBT3 is a mainstream microcontroller from STMicroelectronics, based on the high-performance Arm® Cortex®-M0+ 32-bit RISC core. This device operates at a frequency of up to 64 MHz and is designed for a wide range of applications in consumer, industrial, and appliance domains, as well as for Internet of Things (IoT) solutions.
It features a high level of integration, including a memory protection unit (MPU), high-speed embedded memories, DMA, and an extensive range of system functions and peripherals. The STM32G071CBT3 is optimized for low-power applications, with dynamic consumption and comprehensive power-saving modes.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M0+ CPU, up to 64 MHz |
| Operating Temperature | -40°C to 125°C |
| Memories | Up to 128 Kbytes of Flash memory, 36 Kbytes of SRAM |
| Voltage Range | 1.7 V to 3.6 V |
| Communication Interfaces | Two I2C-bus interfaces, four USARTs, two SPIs, one I2S, one HDMI CEC, one low-power UART |
| ADC/DAC | One 12-bit ADC (2.5 MSps) with up to 19 channels, one 12-bit DAC with two channels |
| Timers | Five general-purpose 16-bit timers, one 32-bit general-purpose timer, two basic timers, two low-power 16-bit timers, two watchdog timers, SysTick timer |
| Package | LQFP 48 7x7x1.4 mm |
| Power Modes | Sleep, Stop, Standby, Shutdown |
| VBAT Supply | Direct battery input for RTC and backup registers |
Key Features
- High-performance Arm® Cortex®-M0+ 32-bit RISC core up to 64 MHz
- Up to 128 Kbytes of Flash memory with protection and securable area
- 36 Kbytes of SRAM (32 Kbytes with HW parity check)
- CRC calculation unit, reset and power management
- Programmable Brownout reset (BOR), programmable voltage detector (PVD)
- Low-power modes: Sleep, Stop, Standby, Shutdown
- VBAT supply for RTC and backup registers
- Clock management: 4 to 48 MHz crystal oscillator, 32 kHz crystal oscillator with calibration
- Up to 60 fast I/Os, all mappable on external interrupt vectors
- Multiple 5 V-tolerant I/Os
- 7-channel DMA controller with flexible mapping
- 12-bit ADC (2.5 MSps) with up to 19 channels, 12-bit DAC with two channels
- Two fast low-power analog comparators
- Calendar RTC with alarm and periodic wakeup from Stop/Standby/Shutdown
- USB Type-C™ Power Delivery controller
- Serial wire debug (SWD), 96-bit unique ID
Applications
The STM32G071CBT3 is suitable for a wide range of applications, including:
- Consumer electronics
- Industrial automation
- Appliance control
- Internet of Things (IoT) solutions
- Low-power applications requiring advanced peripherals and power management
Q & A
- What is the core architecture of the STM32G071CBT3?
The STM32G071CBT3 is based on the Arm® 32-bit Cortex®-M0+ CPU.
- What is the maximum operating frequency of the STM32G071CBT3?
The maximum operating frequency is up to 64 MHz.
- What are the memory specifications of the STM32G071CBT3?
It features up to 128 Kbytes of Flash memory and 36 Kbytes of SRAM.
- What is the voltage range for the STM32G071CBT3?
The voltage range is from 1.7 V to 3.6 V.
- What communication interfaces are available on the STM32G071CBT3?
It includes two I2C-bus interfaces, four USARTs, two SPIs, one I2S, one HDMI CEC, and one low-power UART.
- What types of ADC and DAC are integrated into the STM32G071CBT3?
It features a 12-bit ADC (2.5 MSps) with up to 19 channels and a 12-bit DAC with two channels.
- What are the power-saving modes available on the STM32G071CBT3?
The device supports Sleep, Stop, Standby, and Shutdown power modes.
- Does the STM32G071CBT3 support direct battery input for the RTC?
Yes, it supports VBAT direct battery input for the RTC and backup registers.
- What is the package type for the STM32G071CBT3?
The package type is LQFP 48 7x7x1.4 mm.
- Is the STM32G071CBT3 suitable for IoT applications?
Yes, it is designed for IoT solutions among other applications.
- What debug interface is available on the STM32G071CBT3?
The device supports serial wire debug (SWD).
