Overview
The STM32F101R4T6A, part of the STM32F101x4 and STM32F101x6 Low-density access line family, is a high-performance microcontroller from STMicroelectronics. It features the ARM® 32-bit Cortex®-M3 CPU, operating at a maximum frequency of 36 MHz with a performance of 1.25 DMIPS/MHz (Dhrystone 2.1) at 0 wait state memory access. This microcontroller is equipped with high-speed embedded memories, including 16 Kbytes of Flash memory and 4 to 6 Kbytes of SRAM. It also includes an extensive range of enhanced peripherals and I/Os connected to two APB buses.
The device operates in a temperature range of –40 to +85 °C and is powered by a 2.0 to 3.6 V supply. It offers various power-saving modes, making it suitable for low-power applications. The STM32F101R4T6A is available in different packages, ranging from 36 pins to 64 pins, each with a different set of peripherals.
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 Kbytes |
| SRAM | 4 to 6 Kbytes |
| Power Supply | 2.0 to 3.6 V |
| Temperature Range | –40 to +85 °C |
| ADC | 1 × 12-bit, 1 μs A/D converter (up to 16 channels) |
| Timers | Up to two 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter |
| Communication Interfaces | 1 × I2C, 1 × SPI, up to 2 USARTs |
| I/O Ports | Up to 51 fast I/O ports, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- Single-cycle multiplication and hardware division
- Clock, reset, and supply management: POR, PDR, and programmable voltage detector (PVD)
- Internal 8 MHz factory-trimmed RC, internal 40 kHz RC, and PLL for CPU clock
- 32 kHz oscillator for RTC with calibration
- Low power modes: Sleep, Stop, and Standby modes; VBAT supply for RTC and backup registers
- Debug mode: Serial wire debug (SWD) and JTAG interfaces
- 7-channel DMA controller supporting timers, ADC, SPIs, I2Cs, and USARTs
- CRC calculation unit and 96-bit unique ID
- ECOPACK® packages
Applications
The STM32F101R4T6A is suitable for a wide range of applications, including:
- Application control and user interface
- Medical and handheld equipment
- PC peripherals
- Gaming and GPS platforms
- Industrial applications, PLCs, inverters, printers, scanners
- Alarm systems, Video intercoms, and HVACs
Q & A
- What is the core of the STM32F101R4T6A microcontroller?
The core is the ARM® 32-bit Cortex®-M3 CPU.
- What is the maximum frequency of the STM32F101R4T6A?
The maximum frequency is 36 MHz.
- How much Flash memory does the STM32F101R4T6A have?
The STM32F101R4T6A has 16 Kbytes of Flash memory.
- What is the temperature range for the STM32F101R4T6A?
The temperature range is –40 to +85 °C.
- What communication interfaces are available on the STM32F101R4T6A?
The device includes one I2C interface, one SPI interface, and up to two USARTs.
- Does the STM32F101R4T6A support low power modes?
- What debug interfaces are available on the STM32F101R4T6A?
The device supports Serial wire debug (SWD) and JTAG interfaces.
- How many I/O ports does the STM32F101R4T6A have?
The device has up to 51 fast I/O ports, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant.
- What is the package type of the STM32F101R4T6A?
The package type is LQFP 64 10x10x1.4 mm.
- What are some typical applications of the STM32F101R4T6A?
Typical applications include application control and user interface, medical and handheld equipment, PC peripherals, gaming and GPS platforms, industrial applications, and more.
