Overview
The STM32F103R8H7 is a medium-density performance line microcontroller from STMicroelectronics, based on the Arm® 32-bit Cortex®-M3 CPU core. This microcontroller operates at a maximum frequency of 72 MHz and features high-speed embedded memories, including up to 128 Kbytes of Flash memory and 20 Kbytes of SRAM. It is part of the STM32F103xx family, which is known for its extensive range of enhanced I/Os and peripherals connected to two APB buses.
This device is designed to offer high performance and low power consumption, making it suitable for a wide range of applications. It includes advanced communication interfaces, multiple timers, and analog-to-digital converters, among other features.
Key Specifications
| Specification | Details |
|---|---|
| CPU Core | Arm® 32-bit Cortex®-M3 |
| Maximum Frequency | 72 MHz |
| Flash Memory | Up to 128 Kbytes |
| SRAM | Up to 20 Kbytes |
| ADCs | 2x 12-bit, up to 16 channels |
| Timers | 3x 16-bit timers, 1x 16-bit motor control PWM timer, 2x watchdog timers, SysTick timer |
| Communication Interfaces | Up to 2 I2C, up to 3 USARTs, up to 2 SPIs, 1 CAN 2.0B, USB 2.0 full-speed |
| I/Os | Up to 51 high current I/Os |
| Operating Temperature | -40°C to 105°C |
| Supply Voltage | 2.0 to 3.6 V |
| Package | LQFP100 14 × 14 mm |
Key Features
- High-Performance CPU: Arm® 32-bit Cortex®-M3 CPU core operating at 72 MHz.
- Memory and Storage: Up to 128 Kbytes of Flash memory and 20 Kbytes of SRAM.
- Analog-to-Digital Converters: 2x 12-bit ADCs with up to 16 channels, dual-sample and hold capability, and a temperature sensor.
- Timers and Counters: Three 16-bit timers, one 16-bit motor control PWM timer, two watchdog timers, and a SysTick timer.
- Communication Interfaces: Up to two I2C, three USARTs, two SPIs, one CAN 2.0B interface, and a USB 2.0 full-speed interface.
- DMA Controller: 7-channel DMA controller supporting peripherals like timers, ADC, SPIs, I2Cs, and USARTs.
- Low-Power Modes: Sleep, Stop, and Standby modes for power efficiency.
- Debugging: Serial wire debug (SWD) and JTAG interfaces.
Applications
- Industrial Automation: Control systems, motor control, and industrial communication.
- Consumer Electronics: Home appliances, audio equipment, and gaming devices.
- Medical Devices: Portable medical devices, diagnostic equipment, and patient monitoring systems.
- Automotive Systems: In-vehicle infotainment, driver assistance systems, and automotive control units.
- IoT and Smart Home Devices: Smart home automation, IoT sensors, and connected devices.
Q & A
- What is the maximum operating frequency of the STM32F103R8H7?
The maximum operating frequency is 72 MHz.
- How much Flash memory does the STM32F103R8H7 have?
It has up to 128 Kbytes of Flash memory.
- What types of communication interfaces are available on the STM32F103R8H7?
It includes up to two I2C, three USARTs, two SPIs, one CAN 2.0B interface, and a USB 2.0 full-speed interface.
- Does the STM32F103R8H7 support low-power modes?
Yes, it supports Sleep, Stop, and Standby modes for power efficiency.
- What is the operating temperature range of the STM32F103R8H7?
The operating temperature range is -40°C to 105°C.
- How many high current I/Os does the STM32F103R8H7 have?
It has up to 51 high current I/Os.
- What is the supply voltage range for the STM32F103R8H7?
The supply voltage range is 2.0 to 3.6 V.
- Does the STM32F103R8H7 have a built-in temperature sensor?
Yes, it includes a built-in temperature sensor.
- What debugging interfaces are available on the STM32F103R8H7?
It supports serial wire debug (SWD) and JTAG interfaces.
- What is the package type of the STM32F103R8H7?
The package type is LQFP100 14 × 14 mm.
