Overview
The STM32F101RBT6 is a microcontroller from STMicroelectronics, part of the STM32F101xx medium-density access line family. It features the high-performance ARM® 32-bit Cortex®-M3 CPU, operating at a maximum frequency of 36 MHz and delivering 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 a wide range of enhanced peripherals and I/Os connected to two APB buses.
The microcontroller operates within a temperature range of –40 to +85 °C and supports a power supply range of 2.0 to 3.6 V. It includes various power-saving modes, making it suitable for low-power applications. The STM32F101RBT6 is available in different packages, including the LQFP 64-pin package, and is designed for a broad spectrum of applications.
Key Specifications
| Parameter | Specification |
|---|---|
| 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 |
| Temperature Range | –40 to +85 °C |
| ADC | 1 × 12-bit, 1 μs A/D converter (up to 16 channels) |
| Timers | Three 16-bit timers, two watchdog timers, and a SysTick timer |
| Communication Interfaces | Up to 2 I2C, up to 3 USARTs, and up to 2 SPIs |
| I/O Ports | Up to 80 fast I/O ports, 26/37/51/80 I/Os |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- Single-cycle multiplication and hardware division
- Clock, reset, and supply management with POR, PDR, and programmable voltage detector (PVD)
- Internal oscillators: 8 MHz factory-trimmed RC, 40 kHz RC, and 32 kHz oscillator for RTC with calibration
- 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, and USARTs
- Temperature sensor and CRC calculation unit with 96-bit unique ID
- ECOPACK® packages ensuring environmental sustainability
Applications
The STM32F101RBT6 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 such as PLCs, inverters, and printers
- Scanners, alarm systems, video intercoms, and HVAC systems
Q & A
- What is the core of the STM32F101RBT6 microcontroller?
The core is the ARM® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F101RBT6?
The maximum operating frequency is 36 MHz.
- How much Flash memory does the STM32F101RBT6 have?
The STM32F101RBT6 has up to 128 Kbytes of Flash memory.
- What is the temperature range for the STM32F101RBT6?
The temperature range is –40 to +85 °C.
- What types of communication interfaces are available on the STM32F101RBT6?
The device supports up to 2 I2C interfaces, up to 3 USARTs, and up to 2 SPIs.
- Does the STM32F101RBT6 have any power-saving modes?
Yes, it includes Sleep, Stop, and Standby modes with VBAT supply for RTC and backup registers.
- What debug interfaces are available on the STM32F101RBT6?
The device supports serial wire debug (SWD) and JTAG interfaces.
- How many I/O ports does the STM32F101RBT6 have?
The device has up to 80 fast I/O ports, with 26/37/51/80 I/Os depending on the package.
- What types of timers are available on the STM32F101RBT6?
The device includes three 16-bit timers, two watchdog timers, and a SysTick timer.
- Is the STM32F101RBT6 environmentally friendly?
Yes, it is available in ECOPACK® packages, which ensure environmental sustainability.
