Overview
The STM32F103VBH7 is a microcontroller from the STM32F103xx medium-density performance line family, produced by STMicroelectronics. This device incorporates the high-performance Arm® Cortex®-M3 32-bit RISC core, operating at a maximum frequency of 72 MHz. It features high-speed embedded memories, including up to 128 Kbytes of Flash memory and 20 Kbytes of SRAM. The microcontroller is equipped with an extensive range of enhanced I/Os and peripherals connected to two APB buses.
The STM32F103VBH7 supports various communication interfaces such as up to two I2Cs, two SPIs, three USARTs, a USB 2.0 full-speed interface, and a CAN 2.0B interface. It also includes two 12-bit ADCs, seven timers (including three 16-bit timers and a 16-bit motor control PWM timer), and two watchdog timers. The device operates from a 2.0 to 3.6 V power supply and is available in both the –40 to +85°C and –40 to +105°C temperature ranges.
Key Specifications
| Specification | Value |
|---|---|
| CPU Core | Arm® Cortex®-M3 32-bit RISC core |
| Maximum CPU Frequency | 72 MHz |
| Flash Memory | Up to 128 Kbytes |
| SRAM | 20 Kbytes |
| Power Supply | 2.0 to 3.6 V |
| Operating Temperature | –40 to +85°C / –40 to +105°C |
| ADCs | Two 12-bit ADCs (up to 16 channels) |
| Timers | Seven timers (including three 16-bit timers and a 16-bit motor control PWM timer) |
| Communication Interfaces | Up to two I2Cs, two SPIs, three USARTs, USB 2.0 full-speed, CAN 2.0B |
| I/O Ports | Up to 80 fast I/O ports |
| Watchdog Timers | Two watchdog timers (independent and window) |
Key Features
- High-Performance CPU: Arm® Cortex®-M3 32-bit RISC core with a maximum frequency of 72 MHz.
- Memory and Storage: Up to 128 Kbytes of Flash memory and 20 Kbytes of SRAM.
- Communication Interfaces: Includes up to two I2Cs, two SPIs, three USARTs, a USB 2.0 full-speed interface, and a CAN 2.0B interface.
- Analog to Digital Converters (ADCs): Two 12-bit ADCs with up to 16 channels.
- Timers and Counters: Seven timers, including three 16-bit timers and a 16-bit motor control PWM timer.
- Power Management: Sleep, Stop, and Standby modes for low-power applications.
- I/O Capabilities: Up to 80 fast I/O ports, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant.
- Debugging: Serial wire debug (SWD) and JTAG interfaces.
Applications
- Industrial Automation: Suitable for control systems, motor control, and industrial communication.
- Consumer Electronics: Used in various consumer devices requiring advanced peripherals and low power consumption.
- Medical Devices: Applicable in medical equipment that requires precise analog-to-digital conversion and reliable communication interfaces.
- Automotive Systems: Employed in automotive applications such as dashboard controls, infotainment systems, and vehicle networking.
- IoT Devices: Ideal for Internet of Things (IoT) devices that need efficient processing, low power consumption, and multiple communication interfaces.
Q & A
- What is the maximum CPU frequency of the STM32F103VBH7?
The maximum CPU frequency is 72 MHz.
- How much Flash memory does the STM32F103VBH7 have?
The STM32F103VBH7 has up to 128 Kbytes of Flash memory.
- What are the operating temperature ranges for the STM32F103VBH7?
The device operates in the –40 to +85°C and –40 to +105°C temperature ranges.
- How many ADC channels does the STM32F103VBH7 support?
The device supports two 12-bit ADCs with up to 16 channels.
- What communication interfaces are available on the STM32F103VBH7?
The device includes up to two I2Cs, two SPIs, three USARTs, a USB 2.0 full-speed interface, and a CAN 2.0B interface.
- Does the STM32F103VBH7 support low-power modes?
Yes, it supports Sleep, Stop, and Standby modes for low-power applications.
- How many I/O ports does the STM32F103VBH7 have?
The device has up to 80 fast I/O ports.
- What debugging interfaces are available on the STM32F103VBH7?
The device supports serial wire debug (SWD) and JTAG interfaces.
- What are some common applications of the STM32F103VBH7?
Common applications include industrial automation, consumer electronics, medical devices, automotive systems, and IoT devices.
- What is the power supply range for the STM32F103VBH7?
The device operates from a 2.0 to 3.6 V power supply.
