Overview
The STM32F100R8T7BTR is a microcontroller from STMicroelectronics, part of the STM32F100xx series. It incorporates the high-performance ARM® 32-bit Cortex®-M3 CPU, operating at a maximum frequency of 24 MHz and delivering 1.25 DMIPS/MHz (Dhrystone 2.1) performance. This microcontroller features high-speed embedded memories, including up to 64 Kbytes of Flash memory and 8 Kbytes of SRAM. It also includes an extensive range of enhanced peripherals and I/Os connected to two APB buses.
The device is available in various packages, including the LQFP 64-pin package, and operates in the –40 to +85 °C and –40 to +105 °C temperature ranges from a 2.0 to 3.6 V power supply. It offers multiple power-saving modes, making it suitable for low-power applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® 32-bit Cortex®-M3 CPU |
| Maximum Frequency | 24 MHz |
| Performance | 1.25 DMIPS/MHz (Dhrystone 2.1) |
| Flash Memory | Up to 64 Kbytes |
| SRAM | Up to 8 Kbytes |
| Power Supply | 2.0 to 3.6 V |
| Operating Temperature | –40 to +85 °C and –40 to +105 °C |
| Package | LQFP 64 10x10x1.4 mm |
| ADC Resolution | 12-bit |
| DACs | 2 × 12-bit D/A converters |
| Timers | Up to 12 timers (including 16-bit and advanced-control timers) |
| Communication Interfaces | Up to two I²C, two SPI, three USART, and CEC interface |
| I/Os | Up to 51 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant |
Key Features
- High-performance ARM® 32-bit Cortex®-M3 CPU with single-cycle multiplication and hardware division.
- High-speed embedded memories: up to 64 Kbytes of Flash memory and 8 Kbytes of SRAM.
- Extensive range of enhanced peripherals and I/Os connected to two APB buses.
- Standard communication interfaces: up to two I²C, two SPI, one HDMI CEC, and up to three USARTs.
- 12-bit ADC and two 12-bit DACs.
- Multiple timers: up to six general-purpose 16-bit timers and an advanced-control PWM timer.
- Low power modes: Sleep, Stop, and Standby modes with VBAT supply for RTC and backup registers.
- Debug mode with Serial wire debug (SWD) and JTAG interfaces.
- 7-channel DMA controller supporting peripherals like timers, ADC, SPIs, I²Cs, and USARTs.
Applications
The STM32F100R8T7BTR microcontroller is suitable for a wide range of applications, including:
- Application control and user interfaces.
- Medical and hand-held equipment.
- PC and gaming peripherals.
- GPS platforms.
- Industrial applications, such as PLCs, inverters, and printers.
- Scanners, alarm systems, video intercoms, and HVAC systems.
Q & A
- What is the core of the STM32F100R8T7BTR microcontroller?
The core is the ARM® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F100R8T7BTR?
The maximum operating frequency is 24 MHz.
- How much Flash memory does the STM32F100R8T7BTR have?
The STM32F100R8T7BTR has up to 64 Kbytes of Flash memory.
- What are the power supply requirements for the STM32F100R8T7BTR?
The device operates from a 2.0 to 3.6 V power supply.
- What are the operating temperature ranges for the STM32F100R8T7BTR?
The operating temperature ranges are –40 to +85 °C and –40 to +105 °C.
- What types of communication interfaces are available on the STM32F100R8T7BTR?
The device includes up to two I²C, two SPI, one HDMI CEC, and up to three USART interfaces.
- How many I/Os does the STM32F100R8T7BTR have?
The device has up to 51 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant.
- What are the low power modes available on the STM32F100R8T7BTR?
The device supports Sleep, Stop, and Standby modes with VBAT supply for RTC and backup registers.
- Does the STM32F100R8T7BTR support DMA?
Yes, it includes a 7-channel DMA controller supporting peripherals like timers, ADC, SPIs, I²Cs, and USARTs.
- What are some typical applications for the STM32F100R8T7BTR?
Typical applications include application control and user interfaces, medical and hand-held equipment, PC and gaming peripherals, GPS platforms, industrial applications, and more.
