Overview
The STM32F071CBT7 microcontroller, produced by STMicroelectronics, is part of the STM32F071x8/xB series. It features the high-performance Arm® 32-bit Cortex®-M0 CPU, operating at a frequency of up to 48 MHz. This microcontroller is equipped with high-speed embedded memories, including up to 128 Kbytes of Flash memory and 16 Kbytes of SRAM with hardware parity. It also includes a CRC calculation unit, reset and power management, and various low power modes such as Sleep, Stop, and Standby. The device is suitable for a wide range of applications due to its extensive set of enhanced peripherals and I/Os.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M0 CPU, up to 48 MHz |
| Memories | 64 to 128 Kbytes of Flash memory, 16 Kbytes of SRAM with HW parity |
| Supply Voltage | Digital and I/O supply: VDD = 2.0 V to 3.6 V, Analog supply: VDDA = VDD to 3.6 V |
| Operating Temperature | -40 to +85 °C, -40 to +105 °C |
| ADC | One 12-bit, 1.0 µs ADC (up to 16 channels) |
| DAC | One 12-bit D/A converter (with 2 channels) |
| Timers | One 32-bit and seven 16-bit timers, one 16-bit advanced-control timer for six-channel PWM output |
| Communication Interfaces | 2 I2C, 4 USARTs, 2 SPIs, HDMI CEC, I2S interface |
| Package | LQFP 48 7x7x1.4 mm |
| Low Power Modes | Sleep, Stop, Standby |
Key Features
- High-performance Arm® 32-bit Cortex®-M0 CPU with up to 48 MHz frequency
- High-speed embedded memories: up to 128 Kbytes of Flash memory and 16 Kbytes of SRAM with HW parity
- Extensive range of enhanced peripherals and I/Os, including up to 87 fast I/Os and up to 68 I/Os with 5V tolerant capability
- Advanced clock management: 4 to 32 MHz crystal oscillator, 32 kHz oscillator for RTC, internal 8 MHz RC with x6 PLL option, and internal 48 MHz oscillator
- Low power modes: Sleep, Stop, Standby, and VBAT supply for RTC and backup registers
- 7-channel DMA controller, 2 fast low-power analog comparators, and up to 24 capacitive sensing channels
- Calendar RTC with alarm and periodic wakeup from Stop/Standby
- Communication interfaces: 2 I2C, 4 USARTs, 2 SPIs, HDMI CEC, and I2S interface
Applications
- Application control and user interfaces
- Hand-held equipment
- A/V receivers and digital TV
- PC peripherals, gaming, and GPS platforms
- Industrial applications, PLCs, inverters, printers, scanners
- Alarm systems, video intercoms, and HVACs
Q & A
- What is the core of the STM32F071CBT7 microcontroller?
The core is the Arm® 32-bit Cortex®-M0 CPU, operating at up to 48 MHz.
- How much Flash and SRAM memory does the STM32F071CBT7 have?
The device has up to 128 Kbytes of Flash memory and 16 Kbytes of SRAM with hardware parity.
- What are the operating temperature ranges for the STM32F071CBT7?
The operating temperature ranges are -40 to +85 °C and -40 to +105 °C.
- What types of communication interfaces does the STM32F071CBT7 support?
The device supports 2 I2C interfaces, 4 USARTs, 2 SPIs, HDMI CEC, and an I2S interface.
- Does the STM32F071CBT7 have any low power modes?
Yes, it has low power modes including Sleep, Stop, and Standby, along with VBAT supply for RTC and backup registers.
- What is the package type for the STM32F071CBT7?
The package type is LQFP 48 7x7x1.4 mm.
- What are some of the key peripherals included in the STM32F071CBT7?
The device includes a 12-bit ADC, a 12-bit DAC with two channels, seven 16-bit timers, one 32-bit timer, and advanced-control PWM timers.
- Does the STM32F071CBT7 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the purpose of the CRC calculation unit in the STM32F071CBT7?
The CRC calculation unit is used for cyclic redundancy check calculations, enhancing data integrity.
- Can the STM32F071CBT7 be used in industrial applications?
Yes, it is suitable for various industrial applications, including PLCs, inverters, printers, and scanners.
