Overview
The STM32F101R6T6A is a microcontroller from STMicroelectronics, part of the STM32F101x6 Low-density access line family. This device incorporates the high-performance ARM Cortex-M3 32-bit RISC core, operating at a maximum frequency of 36 MHz. It features high-speed embedded memories, including 16 to 32 Kbytes of Flash memory and 4 to 6 Kbytes of SRAM. The microcontroller is designed for a wide range of applications, including application control, user interfaces, medical and handheld equipment, and industrial applications, among others. It operates in a temperature range of –40 to +85 °C and supports various power-saving modes, making it suitable for low-power applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® 32-bit Cortex®-M3 CPU |
| Maximum Frequency | 36 MHz |
| Performance | 1.25 DMIPS/MHz (Dhrystone 2.1) at 0 wait state memory access |
| Flash Memory | 16 to 32 Kbytes |
| SRAM | 4 to 6 Kbytes |
| Power Supply | 2.0 to 3.6 V |
| Temperature Range | –40 to +85 °C |
| Clock Management | 4-to-16 MHz crystal oscillator, internal 8 MHz and 40 kHz RC, PLL for CPU clock |
| ADC | 1 × 12-bit, 1 μs A/D converter (up to 16 channels) |
| Timers | Up to 5 timers, including 2 × 16-bit timers and 2 watchdog timers |
| Communication Interfaces | 1 × I2C, up to 2 USARTs, 1 × SPI (18 Mbit/s) |
| I/O Ports | Up to 51 fast I/O ports, all mappable on 16 external interrupt vectors |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- Single-cycle multiplication and hardware division
- Low power modes: Sleep, Stop, and Standby
- VBAT supply for RTC and backup registers
- Serial wire debug (SWD) and JTAG interfaces
- 7-channel DMA controller
- CRC calculation unit, 96-bit unique ID
- ECOPACK® packages
- Temperature sensor
- SysTick timer: 24-bit downcounter
Applications
The STM32F101R6T6A is suitable for a wide range of applications, including:
- Application control and user interfaces
- Medical and handheld equipment
- PC peripherals
- Gaming and 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 STM32F101R6T6A microcontroller?
The core is the ARM® 32-bit Cortex®-M3 CPU. - What is the maximum operating frequency of the STM32F101R6T6A?
The maximum operating frequency is 36 MHz. - How much Flash and SRAM memory does the STM32F101R6T6A have?
The device has 16 to 32 Kbytes of Flash memory and 4 to 6 Kbytes of SRAM. - What is the operating temperature range of the STM32F101R6T6A?
The operating temperature range is –40 to +85 °C. - What power-saving modes are available on the STM32F101R6T6A?
The device supports Sleep, Stop, and Standby modes. - What communication interfaces are available on the STM32F101R6T6A?
The device features 1 × I2C, up to 2 USARTs, and 1 × SPI (18 Mbit/s). - How many I/O ports does the STM32F101R6T6A have?
The device has up to 51 fast I/O ports. - What is the package type of the STM32F101R6T6A?
The package type is LQFP 64 10x10x1.4 mm. - Does the STM32F101R6T6A support debug interfaces?
Yes, it supports serial wire debug (SWD) and JTAG interfaces. - What is the purpose of the VBAT supply in the STM32F101R6T6A?
The VBAT supply is for the RTC and backup registers.
