Overview
The STM32F102RBT6 is a microcontroller from STMicroelectronics, part of the STM32F102xx medium-density USB access line. It features the high-performance Arm® 32-bit Cortex®-M3 CPU, operating at a maximum frequency of 48 MHz and delivering 1.25 DMIPS/MHz (Dhrystone 2.1) performance. This MCU is equipped with 128 Kbytes of Flash memory and 16 Kbytes of SRAM, making it suitable for a wide range of applications that require robust processing and memory capabilities.
The device includes an extensive set of peripherals and I/Os, connected to two APB buses, and supports various communication interfaces such as USB 2.0 full speed, SPI, I2C, and USART. It also features a 12-bit ADC, multiple timers, and low-power modes for energy-efficient operation.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M3 CPU |
| Maximum Frequency | 48 MHz |
| Performance | 1.25 DMIPS/MHz (Dhrystone 2.1) |
| Flash Memory | 128 Kbytes |
| SRAM | 16 Kbytes |
| Supply Voltage | 2.0 to 3.6 V |
| Operating Temperature | -40 to +85 °C |
| Package | LQFP 64 (10 × 10 mm) |
| ADC | 1 × 12-bit, 1.2 µs A/D converter (up to 16 channels) |
| Timers | Three 16-bit timers, two watchdog timers, and a SysTick timer |
| Communication Interfaces | Up to two I2C, three USARTs, two SPIs, and one USB 2.0 full speed interface |
| I/O Ports | Up to 51 fast I/O ports, 37/51 I/Os all mappable on 16 external interrupt vectors |
Key Features
- High-Performance Core: Arm® 32-bit Cortex®-M3 CPU with single-cycle multiplication and hardware division.
- Memory: 128 Kbytes of Flash memory and 16 Kbytes of SRAM.
- Low Power Modes: Sleep, Stop, and Standby modes for low-power applications.
- Communication Interfaces: USB 2.0 full speed, up to two I2C, three USARTs, and two SPIs.
- ADC and Timers: 1 × 12-bit ADC and multiple timers including three 16-bit timers and two watchdog timers.
- Debug and DMA: Serial wire debug (SWD) and JTAG interfaces, 7-channel DMA controller.
- I/O Ports: Up to 51 fast I/O ports with almost all 5 V-tolerant.
- Temperature Sensor and Voltage Detection: Temperature sensor and programmable voltage detector (PVD).
Applications
The STM32F102RBT6 is suitable for a wide range of applications, including:
- Industrial automation and control systems.
- Consumer electronics requiring USB connectivity.
- Medical devices that need precise ADC and timer functionalities.
- Automotive systems, especially those requiring robust communication interfaces.
- IoT devices that demand low power consumption and high performance.
Q & A
- What is the core of the STM32F102RBT6 microcontroller?
The core is the Arm® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F102RBT6?
The maximum operating frequency is 48 MHz.
- How much Flash and SRAM memory does the STM32F102RBT6 have?
The device has 128 Kbytes of Flash memory and 16 Kbytes of SRAM.
- What are the supported communication interfaces on the STM32F102RBT6?
The device supports USB 2.0 full speed, up to two I2C, three USARTs, and two SPIs.
- What are the low power modes available on the STM32F102RBT6?
The device features Sleep, Stop, and Standby modes for low-power applications.
- What type of ADC does the STM32F102RBT6 have?
The device has a 1 × 12-bit, 1.2 µs A/D converter (up to 16 channels).
- How many I/O ports does the STM32F102RBT6 have?
The device has up to 51 fast I/O ports.
- What is the operating temperature range of the STM32F102RBT6?
The operating temperature range is -40 to +85 °C.
- What package options are available for the STM32F102RBT6?
The device is available in LQFP 64 (10 × 10 mm) package.
- Does the STM32F102RBT6 support debug interfaces?
Yes, it supports Serial wire debug (SWD) and JTAG interfaces.
