Overview
The STM32F102C4T6ATR is a microcontroller from the STM32 F1 series, manufactured by STMicroelectronics. It features a 32-bit ARM Cortex-M3 core, operating at a maximum frequency of 48 MHz and delivering 1.25 DMIPS/MHz (Dhrystone 2.1) performance. This MCU is part of the medium-density USB access line, incorporating high-speed embedded memories and an extensive range of enhanced peripherals and I/Os.
The device is suitable for a wide range of applications due to its comprehensive set of power-saving modes, standard communication interfaces, and robust peripheral set. It operates within a temperature range of –40 to +85 °C and supports a power supply of 2.0 to 3.6 V.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M3 CPU |
| Maximum Frequency | 48 MHz |
| Performance | 1.25 DMIPS/MHz (Dhrystone 2.1) at 0 WS memory access |
| Flash Memory | 16 or 32 Kbytes |
| SRAM | 4 or 6 Kbytes |
| Power Supply | 2.0 to 3.6 V |
| Temperature Range | –40 to +85 °C |
| Package | LQFP 48 7x7x1.4 mm |
| Communication Interfaces | One I2C, one SPI, two USARTs, one USB 2.0 full speed |
| ADC | One 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 |
| 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.
- 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, and programmable voltage detector (PVD).
- 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.
- Communication Interfaces: One I2C interface, two USARTs, one SPI (12 Mbit/s), and one USB 2.0 full speed interface.
- ADC and Timers: One 12-bit, 1.2 µs A/D converter (up to 16 channels), two 16-bit timers, and two watchdog timers.
- I/O Ports: Up to 51 fast I/O ports, with 37/51 I/Os all mappable on 16 external interrupt vectors.
- ECOPACK Packages: Environmentally friendly packaging.
Applications
The STM32F102C4T6ATR is versatile and suitable for a wide range of applications, including:
- Industrial control systems
- Consumer electronics
- Medical devices
- Automotive systems
- IoT devices
- Low-power applications
Its comprehensive set of peripherals, low power modes, and robust communication interfaces make it an ideal choice for various embedded system designs.
Q & A
- What is the core architecture of the STM32F102C4T6ATR?
The core architecture is based on the Arm® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F102C4T6ATR?
The maximum operating frequency is 48 MHz.
- How much Flash and SRAM memory does the STM32F102C4T6ATR have?
The device has 16 or 32 Kbytes of Flash memory and 4 or 6 Kbytes of SRAM.
- What are the power supply and temperature range specifications?
The power supply range is 2.0 to 3.6 V, and the temperature range is –40 to +85 °C.
- What communication interfaces are available on the STM32F102C4T6ATR?
The device features one I2C interface, two USARTs, one SPI (12 Mbit/s), and one USB 2.0 full speed interface.
- Does the STM32F102C4T6ATR support low power modes?
Yes, it supports Sleep, Stop, and Standby modes, along with VBAT supply for RTC and backup registers.
- What type of debug interfaces are available?
The device supports serial wire debug (SWD) and JTAG interfaces.
- How many I/O ports does the STM32F102C4T6ATR have?
The device has up to 51 fast I/O ports, with 37/51 I/Os all mappable on 16 external interrupt vectors.
- What is the package type of the STM32F102C4T6ATR?
The package type is LQFP 48 7x7x1.4 mm.
- Is the STM32F102C4T6ATR RoHS compliant?
Yes, it is RoHS compliant with an ECOPACK2 grade.
