Overview
The STM32F103R4H6A is a microcontroller from STMicroelectronics, part of the STM32F1 series. It features the high-performance ARM® Cortex™-M3 32-bit RISC core, operating at a frequency of 72 MHz. This microcontroller is designed for low-density applications and is equipped with high-speed embedded memories, including up to 16 KB of Flash memory and 6 KB of SRAM. The device operates within a power supply range of 2.0 to 3.6 V and is available in temperature ranges of –40 to +85 °C and –40 to +105 °C. It includes a comprehensive set of power-saving modes, making it suitable for low-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Core Architecture | ARM Cortex-M3 |
| Frequency | 72 MHz |
| Flash Memory | 16 KB |
| SRAM | 6 KB |
| Operating Voltage | 2.0 to 3.6 V |
| Operating Temperature | –40 to +85 °C / –40 to +105 °C |
| Number of I/Os | 51 |
| Number of Timers/Counters | 6 (including 2 watchdog timers) |
| Communication Interfaces | 2 x I2C, 2 x USART, 1 x SPI, 1 x USB 2.0, 1 x CAN 2.0B |
| ADC Channels | 16 (2 x 12-bit ADCs) |
| DAC Channels | 2 |
| Package Type | TFBGA64 |
Key Features
- High-performance ARM Cortex-M3 32-bit RISC core operating at 72 MHz.
- High-speed embedded memories: up to 16 KB Flash and 6 KB SRAM.
- Extensive range of enhanced I/Os and peripherals connected to two APB buses.
- Two 12-bit ADCs, three general-purpose 16-bit timers, and one PWM timer.
- Standard and advanced communication interfaces: I2C, SPI, USART, USB, and CAN.
- Up to 51 fast I/O ports, all mappable on 16 external interrupt vectors, and almost all 5 V-tolerant.
- Debug mode with serial wire debug (SWD) and JTAG interfaces.
- Comprehensive set of power-saving modes.
- Integrated watchdog timers, SysTick timer, and CRC calculation unit.
Applications
The STM32F103R4H6A microcontroller is suitable for a wide range of applications, including:
- Motor drives and motor control.
- Application control and industrial applications.
- Medical and handheld equipment.
- PC and gaming peripherals.
- GPS platforms.
- PLCs, inverters, printers, scanners, alarm systems, video intercoms, and HVACs.
Q & A
- What is the core architecture of the STM32F103R4H6A?
The core architecture is based on the ARM Cortex-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32F103R4H6A?
The maximum operating frequency is 72 MHz.
- What is the memory configuration of the STM32F103R4H6A?
The device has up to 16 KB of Flash memory and 6 KB of SRAM.
- What are the operating voltage and temperature ranges of the STM32F103R4H6A?
The operating voltage range is 2.0 to 3.6 V, and the operating temperature range is –40 to +85 °C or –40 to +105 °C.
- How many I/O ports does the STM32F103R4H6A have?
The device has up to 51 fast I/O ports.
- What communication interfaces are available on the STM32F103R4H6A?
The device includes I2C, SPI, USART, USB 2.0, and CAN 2.0B interfaces.
- Does the STM32F103R4H6A support debug modes?
Yes, it supports debug modes with serial wire debug (SWD) and JTAG interfaces.
- What are some of the power-saving features of the STM32F103R4H6A?
The device includes a comprehensive set of power-saving modes.
- What types of timers are available on the STM32F103R4H6A?
The device includes three general-purpose 16-bit timers, one PWM timer, and two watchdog timers.
- What are some common applications for the STM32F103R4H6A?
Common applications include motor drives, industrial applications, medical and handheld equipment, PC and gaming peripherals, and more.
