Overview
The STM32F100R4T6B 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 128 Kbytes of Flash memory and up to 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 LQFP64 and TFBGA64, and operates in temperature ranges from –40 to +85 °C and –40 to +105 °C. It supports a wide range of 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 128 Kbytes |
| SRAM | Up to 8 Kbytes |
| Power Supply | 2.0 to 3.6 V |
| Temperature Range | –40 to +85 °C, –40 to +105 °C |
| ADC | 1 × 12-bit, 1.2 μs A/D converter (up to 16 channels) |
| DAC | 2 × 12-bit D/A converters |
| Timers | Up to 12 timers, including advanced-control and basic timers |
| Communication Interfaces | Up to two I2C, three USARTs, two SPIs, and CEC interface |
| I/O Ports | Up to 80 fast I/O ports, 37/51/80 I/Os |
| Package | LQFP64, TFBGA64 |
Key Features
- High-performance ARM® 32-bit Cortex®-M3 CPU with single-cycle multiplication and hardware division.
- High-speed embedded memories: up to 128 Kbytes of Flash memory and up to 8 Kbytes of SRAM.
- Extensive range of enhanced peripherals and I/Os connected to two APB buses.
- Standard communication interfaces: up to two I2Cs, three USARTs, two SPIs, and a CEC interface.
- Advanced timers: up to 12 timers including 16-bit and advanced-control timers.
- 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 timers, ADC, SPIs, I2Cs, USARTs, and DACs.
- Up to 80 fast I/O ports, with 37/51/80 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant.
Applications
The STM32F100R4T6B 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 STM32F100R4T6B microcontroller?
The core is the ARM® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F100R4T6B?
The maximum operating frequency is 24 MHz.
- How much Flash memory does the STM32F100R4T6B have?
It has up to 128 Kbytes of Flash memory.
- What are the power-saving modes available on the STM32F100R4T6B?
The device supports Sleep, Stop, and Standby modes.
- What communication interfaces are available on the STM32F100R4T6B?
It includes up to two I2C interfaces, three USARTs, two SPIs, and a CEC interface.
- How many timers does the STM32F100R4T6B have?
It has up to 12 timers, including advanced-control and basic timers.
- What is the temperature range for the STM32F100R4T6B?
The temperature range is –40 to +85 °C and –40 to +105 °C.
- What debug interfaces are available on the STM32F100R4T6B?
The device supports serial wire debug (SWD) and JTAG interfaces.
- How many I/O ports does the STM32F100R4T6B have?
It has up to 80 fast I/O ports, with 37/51/80 I/Os.
- What are some typical applications for the STM32F100R4T6B?
Typical applications include application control, medical and hand-held equipment, PC and gaming peripherals, GPS platforms, industrial applications, and more.
