Overview
The TMS320F28031PNT is a high-performance, 32-bit real-time microcontroller from Texas Instruments, part of the TMS320F2803x series. This microcontroller is designed for real-time control applications, offering a robust set of features and peripherals. It is powered by a high-efficiency 32-bit CPU (TMS320C28x) operating at 60 MHz with a cycle time of 16.67 ns. The device supports advanced mathematical operations, including 16 × 16 and 32 × 32 MAC operations, and features a Programmable Control Law Accelerator (CLA) for independent execution of code.
The TMS320F28031PNT is available in various package options, including the 80-Pin PN Low-Profile Quad Flatpack (LQFP), and supports a wide temperature range from –40°C to 125°C, making it suitable for diverse industrial and automotive applications.
Key Specifications
| Feature | Specification |
|---|---|
| CPU Type | 32-bit TMS320C28x |
| Operating Frequency | 60 MHz (16.67 ns cycle time) |
| MAC Operations | 16 × 16 and 32 × 32 MAC operations, 16 × 16 dual MAC |
| Control Law Accelerator (CLA) | No |
| On-chip Flash Memory | 32K (16-bit word) |
| On-chip SARAM | 10K (16-bit word) |
| Boot ROM | 8K x 16 |
| One-time Programmable (OTP) ROM | 1K (16-bit word) |
| ePWM Channels | 12 |
| eCAP Inputs | 1 |
| eQEP Modules | 1 |
| Watchdog Timer | Yes |
| 12-Bit ADC | Conversion Time: 216.67 ns, Channels: 14 |
| Temperature Sensor | Yes |
| Comparators with Integrated DACs | 3 |
| I2C | 1 |
| eCAN | 1 |
| LIN | 1 |
| SPI | 2 |
| SCI (UART Compatible) | 1 |
| GPIO Pins | 33 (shared) |
| Supply Voltage | 3.3 V |
| Package Type | 80-Pin PN LQFP |
| Temperature Options | –40°C to 125°C |
Key Features
- High-Efficiency CPU: 32-bit TMS320C28x CPU with a clock speed of 60 MHz and a cycle time of 16.67 ns.
- Advanced Mathematical Operations: Supports 16 × 16 and 32 × 32 MAC operations and 16 × 16 dual MAC.
- Programmable Control Law Accelerator (CLA): Although not available in this specific model, other models in the series offer a CLA for independent code execution.
- Memory and Security: Includes on-chip flash memory, SARAM, Boot ROM, and one-time programmable (OTP) ROM with code security features.
- Analog and Digital Peripherals: Features a 12-bit ADC, temperature sensor, comparators with integrated DACs, and various communication interfaces like I2C, eCAN, LIN, SPI, and SCI.
- Low Power and Reliability: Single 3.3V supply, integrated power-on reset and brown-out reset, and low power consumption.
- Advanced Emulation and Debugging: Supports real-time debug through hardware and advanced emulation features.
Applications
The TMS320F28031PNT is designed for a wide range of real-time control applications, including:
- Industrial Control Systems: Motor control, power management, and industrial automation.
- Automotive Systems: Engine control, transmission control, and other automotive applications, especially with the Q-grade option for AEC Q100 qualification.
- Medical Devices: High-precision control and monitoring in medical equipment.
- Aerospace and Defense: Real-time control and monitoring in various aerospace and defense applications.
- Consumer Electronics: Advanced control and monitoring in consumer electronics requiring real-time processing.
Q & A
- What is the operating frequency of the TMS320F28031PNT?
The TMS320F28031PNT operates at a frequency of 60 MHz with a cycle time of 16.67 ns.
- What types of MAC operations does the TMS320F28031PNT support?
The TMS320F28031PNT supports 16 × 16 and 32 × 32 MAC operations, as well as 16 × 16 dual MAC.
- Does the TMS320F28031PNT have a Control Law Accelerator (CLA)?
No, the TMS320F28031PNT does not have a CLA. However, other models in the series do.
- What is the on-chip flash memory capacity of the TMS320F28031PNT?
The TMS320F28031PNT has 32K of on-chip flash memory (16-bit word).
- What are the temperature options for the TMS320F28031PNT?
The TMS320F28031PNT is available with temperature options ranging from –40°C to 125°C.
- What types of communication interfaces does the TMS320F28031PNT support?
The TMS320F28031PNT supports I2C, eCAN, LIN, SPI, and SCI (UART Compatible) interfaces.
- Does the TMS320F28031PNT have a built-in temperature sensor?
- What is the supply voltage for the TMS320F28031PNT?
The TMS320F28031PNT operates on a single 3.3V supply.
- What package types are available for the TMS320F28031PNT?
The TMS320F28031PNT is available in an 80-Pin PN Low-Profile Quad Flatpack (LQFP) package.
- What are some common applications for the TMS320F28031PNT?
The TMS320F28031PNT is commonly used in industrial control systems, automotive systems, medical devices, aerospace and defense, and consumer electronics requiring real-time processing.
