Overview
The STM32F101R8T6 is a medium-density access line microcontroller from STMicroelectronics, part of the STM32F101xx family. It features the high-performance ARM® 32-bit Cortex®-M3 CPU, operating at a maximum frequency of 36 MHz with 1.25 DMIPS/MHz (Dhrystone 2.1) performance at 0 wait state memory access. The device includes high-speed embedded memories such as up to 128 Kbytes of Flash memory and up to 16 Kbytes of SRAM. It also offers an extensive range of enhanced peripherals and I/Os connected to two APB buses, making it suitable for a wide range of 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 | 64 to 128 Kbytes |
| SRAM | 10 to 16 Kbytes |
| Power Supply | 2.0 to 3.6 V |
| Operating Temperature | -40 to +85 °C |
| Clock Management | 4-to-16 MHz crystal oscillator, internal 8 MHz factory-trimmed RC, internal 40 kHz RC, PLL for CPU clock |
| ADC | 1 × 12-bit, 1 μs A/D converter (up to 16 channels) |
| Timers | Three 16-bit timers, two watchdog timers (Independent and Window), SysTick timer: 24-bit downcounter |
| Communication Interfaces | Up to 2 x I2C interfaces, up to 3 USARTs, up to 2 SPIs (18 Mbit/s) |
| I/Os | Up to 80 fast I/O ports, 26/37/51/80 I/Os, almost all 5 V-tolerant |
| 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
- Up to 7 communication interfaces
Applications
The STM32F101R8T6 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 STM32F101R8T6 microcontroller?
The core is the ARM® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F101R8T6?
The maximum operating frequency is 36 MHz.
- How much Flash memory does the STM32F101R8T6 have?
The device has 64 to 128 Kbytes of Flash memory.
- What is the operating temperature range of the STM32F101R8T6?
The operating temperature range is -40 to +85 °C.
- What communication interfaces are available on the STM32F101R8T6?
The device offers up to 2 x I2C interfaces, up to 3 USARTs, and up to 2 SPIs (18 Mbit/s).
- Does the STM32F101R8T6 support low power modes?
Yes, it supports Sleep, Stop, and Standby modes.
- What type of package is the STM32F101R8T6 available in?
The device is available in an LQFP 64 10x10x1.4 mm package.
- Does the STM32F101R8T6 have a temperature sensor?
Yes, it includes a temperature sensor.
- How many I/O ports does the STM32F101R8T6 have?
The device has up to 80 fast I/O ports.
- What debug interfaces are available on the STM32F101R8T6?
The device supports serial wire debug (SWD) and JTAG interfaces.
