Overview
The STM32F100RET6B is a microcontroller from STMicroelectronics, part of the STM32F100xx value line family. This device is built around 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. It features high-speed embedded memories, including up to 512 Kbytes of Flash memory and up to 32 Kbytes of SRAM. The microcontroller also includes a flexible static memory controller, an LCD parallel interface, and a comprehensive set of peripherals and I/Os connected to two APB buses. The STM32F100RET6B is designed for low-power applications, offering sleep, stop, and standby modes, and operates within a temperature range of –40 to +85 °C from a 2.0 to 3.6 V power supply.
Key Specifications
| Specification | Value |
|---|---|
| Core | Arm® 32-bit Cortex®-M3 CPU |
| Maximum Clock Frequency | 24 MHz |
| Program Memory Size | 512 Kbytes of Flash memory |
| SRAM | 24 to 32 Kbytes |
| ADC Resolution | 12-bit, up to 16 channels |
| DAC Resolution | 2 × 12-bit |
| Timers | Up to 16 timers (including advanced-control timers) |
| Communication Interfaces | Up to two I2C, three SPIs, two UARTs, three USARTs |
| Operating Voltage | 2.0 to 3.6 V |
| Operating Temperature | –40 to +85 °C |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- High-performance Arm® 32-bit Cortex®-M3 CPU with single-cycle multiplication and hardware division.
- Flexible static memory controller supporting SRAM, PSRAM, and NOR memories.
- LCD parallel interface with 8080/6800 modes.
- Comprehensive set of peripherals including timers, ADC, DAC, SPIs, I2Cs, USARTs, and UARTs.
- Low power modes: sleep, stop, and standby.
- Serial wire debug (SWD) and JTAG interface.
- 12-channel DMA controller.
- Up to 112 fast I/O ports, with 51/80/112 I/Os mappable on 16 external interrupt vectors.
- CRC calculation unit and 96-bit unique ID.
Applications
The STM32F100RET6B is suitable for a wide range of applications, including:
- Motor drives and application control.
- Medical and handheld equipment.
- PC and gaming peripherals.
- GPS platforms.
- Industrial applications, such as PLCs, inverters, and printers.
- Alarm systems, video intercoms, and HVAC systems.
Q & A
- What is the core of the STM32F100RET6B microcontroller?
The core is the Arm® 32-bit Cortex®-M3 CPU.
- What is the maximum clock frequency of the STM32F100RET6B?
The maximum clock frequency is 24 MHz.
- How much Flash memory does the STM32F100RET6B have?
The STM32F100RET6B has up to 512 Kbytes of Flash memory.
- What is the resolution of the ADC in the STM32F100RET6B?
The ADC resolution is 12-bit, with up to 16 channels.
- What are the operating voltage and temperature ranges of the STM32F100RET6B?
The operating voltage range is 2.0 to 3.6 V, and the operating temperature range is –40 to +85 °C.
- What types of communication interfaces are available on the STM32F100RET6B?
The microcontroller includes up to two I2C, three SPIs, two UARTs, and three USARTs.
- Does the STM32F100RET6B support low power modes?
Yes, it supports sleep, stop, and standby modes.
- What is the package type of the STM32F100RET6B?
The package type is LQFP 64 10x10x1.4 mm.
- What is the purpose of the DMA controller in the STM32F100RET6B?
The 12-channel DMA controller supports peripherals such as timers, ADC, SPIs, I2Cs, USARTs, and DACs.
- What are some of the typical applications for the STM32F100RET6B?
Typical applications include motor drives, medical and handheld equipment, PC and gaming peripherals, GPS platforms, and industrial applications.
