Overview
The STM32F105RCT7 is a high-performance microcontroller from STMicroelectronics, part of the STM32F105xx and STM32F107xx connectivity line family. It features the ARM® 32-bit Cortex®-M3 CPU, operating at a maximum frequency of 72 MHz and delivering 1.25 DMIPS/MHz (Dhrystone 2.1) performance. This microcontroller is equipped with 256 Kbytes of Flash memory and 64 Kbytes of general-purpose SRAM, making it suitable for a wide range of applications requiring robust connectivity and high-performance processing.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® 32-bit Cortex®-M3 CPU |
| Maximum Frequency | 72 MHz |
| Performance | 1.25 DMIPS/MHz (Dhrystone 2.1) |
| Flash Memory | 256 Kbytes |
| SRAM | 64 Kbytes |
| Supply Voltage | 2.0 to 3.6 V |
| Operating Temperature | -40 to +105 °C |
| Package Type | LQFP 64 (10x10x1.4 mm) |
| ADCs | 2 × 12-bit, 1 μs A/D converters (16 channels) |
| DACs | 2 × 12-bit D/A converters |
| Timers | Up to 10 timers, including 4 general-purpose 16-bit timers and 1 motor control PWM timer |
| Communication Interfaces | Up to 2 I2Cs, 3 SPIs, 5 USARTs, 2 CANs, USB OTG FS |
| I/O Ports | Up to 80 fast I/O ports, 51/80 I/Os, almost all 5 V-tolerant |
Key Features
- High-performance ARM® 32-bit Cortex®-M3 CPU with single-cycle multiplication and hardware division.
- Extensive range of enhanced I/Os and peripherals connected to two APB buses.
- Low power modes: Sleep, Stop, and Standby, with VBAT supply for RTC and backup registers.
- Advanced communication interfaces including USB OTG FS, CAN, SPI, I2C, and USART.
- 12-channel DMA controller supporting peripherals like timers, ADCs, DAC, I2Ss, SPIs, and I2Cs.
- Debug mode with serial wire debug (SWD) and JTAG interfaces, and Cortex®-M3 Embedded Trace Macrocell™.
- CRC calculation unit and 96-bit unique ID.
- Temperature sensor and up to 2 MSPS in interleaved mode for ADCs.
Applications
The STM32F105RCT7 is suitable for a wide range of applications, including:
- Motor drives and application control.
- Medical and handheld equipment.
- Industrial applications, PLCs, inverters, printers, and scanners.
- Alarm systems, video intercom, HVAC, and home audio equipment.
Q & A
- What is the core of the STM32F105RCT7 microcontroller?
The core is the ARM® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F105RCT7?
The maximum operating frequency is 72 MHz.
- How much Flash memory and SRAM does the STM32F105RCT7 have?
The STM32F105RCT7 has 256 Kbytes of Flash memory and 64 Kbytes of SRAM.
- What is the operating temperature range of the STM32F105RCT7?
The operating temperature range is -40 to +105 °C.
- What types of communication interfaces are available on the STM32F105RCT7?
The microcontroller features up to 2 I2Cs, 3 SPIs, 5 USARTs, 2 CANs, and a USB OTG FS interface.
- Does the STM32F105RCT7 support low power modes?
- What is the package type of the STM32F105RCT7?
The package type is LQFP 64 (10x10x1.4 mm).
- How many I/O ports does the STM32F105RCT7 have?
The microcontroller has up to 80 fast I/O ports, with 51/80 I/Os almost all 5 V-tolerant.
- What are some of the typical applications for the STM32F105RCT7?
Typical applications include motor drives, medical and handheld equipment, industrial applications, and home audio equipment.
- Does the STM32F105RCT7 support debug modes?
