Overview
The STM32F205RBT7 is a high-performance microcontroller unit (MCU) from STMicroelectronics, part of the STM32F2 series. It is based on the Arm® 32-bit Cortex®-M3 CPU, operating at a frequency of up to 120 MHz. This MCU is designed for applications requiring advanced connectivity, encryption, and high-speed processing. The STM32F205RBT7 features an adaptive real-time memory accelerator (ART Accelerator™) that enables 0-wait state program execution from Flash memory, enhancing overall system performance.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M3 CPU (120 MHz max) |
| Flash Memory | Up to 1 Mbyte |
| OTP Memory | 512 bytes |
| SRAM | Up to 128 + 4 Kbytes |
| Package | LQFP 64 (10x10x1.4 mm) |
| Operating Voltage | From 1.8 to 3.6 V |
| Operating Temperature | -40°C to 105°C |
| ADCs | 3 × 12-bit, up to 24 channels, up to 6 MSPS in triple interleaved mode |
| DACs | 2 × 12-bit |
| Timers | Up to 17 timers (12 × 16-bit, 2 × 32-bit) |
| Communication Interfaces | Up to 15 interfaces including I2C, SPI, UART, USART, USB, CAN, and Ethernet |
| Camera Interface | 8- to 14-bit parallel camera interface (48 Mbyte/s max.) |
| Debug Mode | Serial wire debug (SWD), JTAG, and Cortex®-M3 Embedded Trace Macrocell™ |
Key Features
- High-Performance CPU: Arm® 32-bit Cortex®-M3 CPU with Adaptive real-time accelerator (ART Accelerator™) for 0-wait state execution from Flash memory.
- Advanced Memory: Up to 1 Mbyte of Flash memory, 512 bytes of OTP memory, and up to 128 + 4 Kbytes of SRAM.
- Flexible Memory Controller: Supports Compact Flash, SRAM, PSRAM, NOR, and NAND memories.
- Analog and Digital Converters: 3 × 12-bit ADCs and 2 × 12-bit DACs.
- Timers and Counters: Up to 17 timers including 12 × 16-bit and 2 × 32-bit timers.
- Communication Interfaces: Multiple interfaces such as I2C, SPI, UART, USART, USB, CAN, and Ethernet.
- Camera Interface: 8- to 14-bit parallel camera interface for CMOS sensors.
- Low-Power Modes: Sleep, Stop, and Standby modes with VBAT supply for RTC and backup SRAM.
- Debug Capabilities: Serial wire debug (SWD), JTAG, and Cortex®-M3 Embedded Trace Macrocell™.
Applications
- Motor Drive & Control: Suitable for motor control applications due to advanced timers and PWM capabilities.
- Medical: Used in medical devices requiring high reliability and advanced connectivity.
- Computers & Computer Peripherals: Ideal for various computer peripherals and embedded systems.
- Consumer Electronics: Applied in consumer electronics such as smart home devices and multimedia systems.
- Communications & Networking: Utilized in communication and networking devices due to its Ethernet and USB capabilities.
- Industrial: Used in industrial automation and control systems.
- Security: Employed in security systems requiring advanced encryption and secure communication.
- Imaging, Video & Vision: Suitable for imaging and video processing applications with its camera interface.
- HVAC: Applied in heating, ventilation, and air conditioning systems.
Q & A
- What is the maximum CPU frequency of the STM32F205RBT7?
The maximum CPU frequency is up to 120 MHz.
- How much Flash memory does the STM32F205RBT7 have?
It has up to 1 Mbyte of Flash memory.
- What types of memory does the flexible static memory controller support?
The flexible static memory controller supports Compact Flash, SRAM, PSRAM, NOR, and NAND memories.
- How many ADCs and DACs are available on the STM32F205RBT7?
It features 3 × 12-bit ADCs and 2 × 12-bit DACs.
- What are the low-power modes available on this MCU?
The available low-power modes are Sleep, Stop, and Standby modes.
- Does the STM32F205RBT7 support Ethernet and USB interfaces?
Yes, it supports 10/100 Ethernet MAC and USB 2.0 full-speed/device/host/OTG controllers.
- What is the purpose of the ART Accelerator™ in the STM32F205RBT7?
The ART Accelerator™ allows for 0-wait state program execution from Flash memory at CPU frequencies up to 120 MHz.
- How many communication interfaces are available on this MCU?
It offers up to 15 communication interfaces including I2C, SPI, UART, USART, USB, CAN, and Ethernet.
- Is there a camera interface available on the STM32F205RBT7?
Yes, it features an 8- to 14-bit parallel camera interface for CMOS sensors.
- What debug modes are supported by the STM32F205RBT7?
The supported debug modes include Serial wire debug (SWD), JTAG, and Cortex®-M3 Embedded Trace Macrocell™.
