Overview
The STM32F102C4T6A is a microcontroller from STMicroelectronics, part of the STM32F102xx medium-density USB access line. This device is built around 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. It features high-speed embedded memories, including 16 or 32 Kbytes of Flash memory and 4 or 6 Kbytes of SRAM. The microcontroller is equipped with an extensive range of enhanced peripherals and I/Os connected to two APB buses, making it suitable for a wide range of applications.
The device operates in the –40 to +85 °C temperature range and supports a power supply of 2.0 to 3.6 V. It is available in LQFP48 7 × 7 mm and LQFP64 10 × 10 mm packages, and includes comprehensive power-saving modes for low-power application design.
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 | 16 or 32 Kbytes |
| SRAM | 4 or 6 Kbytes |
| Power Supply | 2.0 to 3.6 V |
| Operating Temperature | –40 to +85 °C |
| Package | LQFP48 7 × 7 mm, LQFP64 10 × 10 mm |
| ADC | 1 × 12-bit, 1.2 µs A/D converter (up to 16 channels) |
| Timers | Two 16-bit timers, two watchdog timers, SysTick timer: 24-bit downcounter |
| Communication Interfaces | One I2C, two USARTs, one SPI (12 Mbit/s), 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
- Core and Performance: Arm® 32-bit Cortex®-M3 CPU with single-cycle multiplication and hardware division, operating at 48 MHz.
- Memories: 16 or 32 Kbytes of Flash memory and 4 or 6 Kbytes of SRAM.
- Clock and Supply Management: 2.0 to 3.6 V application supply and I/Os, POR, PDR, programmable voltage detector (PVD), and various internal oscillators.
- Low Power Modes: Sleep, Stop, and Standby modes, VBAT supply for RTC and backup registers.
- Debug Mode: Serial wire debug (SWD) and JTAG interfaces.
- DMA Controller: 7-channel DMA controller supporting timers, ADC, SPIs, I2Cs, and USARTs.
- Peripherals: 1 × 12-bit ADC, temperature sensor, up to five timers, and multiple communication interfaces (I2C, USARTs, SPI, USB 2.0 full speed).
- I/O Ports: Up to 51 fast I/O ports, with 37/51 I/Os all mappable on 16 external interrupt vectors and almost all 5 V-tolerant.
- ECOPACK Packages: Environmentally friendly packaging.
Applications
The STM32F102C4T6A is suitable for a wide range of applications due to its versatile set of peripherals and low-power capabilities. Some common applications include:
- Industrial automation and control systems.
- Consumer electronics such as home appliances and audio devices.
- Medical devices requiring precise control and low power consumption.
- Automotive systems, including dashboard controls and sensor interfaces.
- Internet of Things (IoT) devices that require efficient processing and communication.
Q & A
- What is the core architecture of the STM32F102C4T6A?
The core architecture is based on the Arm® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F102C4T6A?
The maximum operating frequency is 48 MHz.
- How much Flash and SRAM memory does the STM32F102C4T6A have?
The device has 16 or 32 Kbytes of Flash memory and 4 or 6 Kbytes of SRAM.
- What are the power supply and operating temperature ranges of the STM32F102C4T6A?
The power supply range is 2.0 to 3.6 V, and the operating temperature range is –40 to +85 °C.
- What types of communication interfaces are available on the STM32F102C4T6A?
The device includes one I2C interface, two USARTs, one SPI (12 Mbit/s), and one USB 2.0 full speed interface.
- Does the STM32F102C4T6A support low-power modes?
Yes, it supports Sleep, Stop, and Standby modes, along with VBAT supply for RTC and backup registers.
- What debug interfaces are available on the STM32F102C4T6A?
The device supports serial wire debug (SWD) and JTAG interfaces.
- How many DMA channels does the STM32F102C4T6A have?
The device has a 7-channel DMA controller.
- What is the resolution and conversion time of the ADC on the STM32F102C4T6A?
The ADC is a 12-bit converter with a conversion time of 1.2 µs.
- How many I/O ports does the STM32F102C4T6A have?
The device has up to 51 fast I/O ports.
