Overview
The TMS320F280039C, part of the C2000™ real-time microcontroller family from Texas Instruments, is designed for high-efficiency power electronics applications. This microcontroller features a 32-bit TMS320C28x DSP core operating at 120 MHz, making it suitable for applications requiring high power density, high switching frequencies, and support for GaN and SiC technologies. The device is optimized for real-time control systems, leveraging advanced peripherals and a robust set of features to enhance performance and reliability.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | TMS320C28x 32-bit DSP core at 120 MHz |
| Memory | 384KB (192KW) of flash (ECC-protected), 69KB (34.5KW) of RAM (ECC-protected) |
| Floating-Point Unit | IEEE 754 Floating-Point Unit (FPU) |
| Math Units | Trigonometric Math Unit (TMU), Support for Fast Integer Division (FINTDIV) |
| Control Law Accelerator | Programmable Control Law Accelerator (CLA) |
| Security Features | JTAGLOCK, Zero-pin boot, Dual-zone security |
| Clock and System Control | Two internal 10-MHz oscillators, Crystal oscillator or external clock input |
| System Peripherals | 6-channel DMA controller, 55 individually programmable multiplexed GPIO pins |
| Communications Peripherals | PMBus interface, Two I2C interfaces, CAN/DCAN and CAN FD/MCAN bus ports, Two SPI ports, Two UART-compatible SCI and LIN interfaces |
| Analog System | Three 4-MSPS, 12-bit Analog-to-Digital Converters (ADCs), Four integrated Post-Processing Blocks (PPB) per ADC |
| Power Management | Internal VREG generation, Brownout reset (BOR) circuit |
Key Features
- TMS320C28x 32-bit DSP core at 120 MHz with IEEE 754 Floating-Point Unit (FPU)
- Support for Fast Integer Division (FINTDIV) and Trigonometric Math Unit (TMU)
- Programmable Control Law Accelerator (CLA) for offloading common tasks from the main CPU
- On-chip memory: 384KB of flash and 69KB of RAM, both ECC-protected
- Security features: JTAGLOCK, Zero-pin boot, Dual-zone security
- Clock and system control: Two internal 10-MHz oscillators, Crystal oscillator or external clock input
- System peripherals: 6-channel DMA controller, 55 individually programmable multiplexed GPIO pins
- Communications peripherals: PMBus interface, I2C, CAN/DCAN and CAN FD/MCAN bus ports, SPI, UART-compatible SCI and LIN interfaces
- Analog system: Three 4-MSPS, 12-bit ADCs, Four integrated Post-Processing Blocks (PPB) per ADC
- Enhanced control peripherals: 16 ePWM channels with high-resolution capability, Integrated dead-band support, Hardware trip zones (TZs)
- Configurable Logic Block (CLB) for custom logic and FPGA-like functions
- Fast Serial Interface (FSI) with up to 200Mbps of robust communications
Applications
- Motor drives
- Appliances
- Hybrid, electric & powertrain systems
- Solar & EV charging
- Digital power
- Body electronics & lighting
- Test & measurement
Q & A
- What is the core frequency of the TMS320F280039C microcontroller?
The TMS320F280039C microcontroller operates at a core frequency of 120 MHz.
- What type of memory does the TMS320F280039C have?
The device features 384KB of flash memory and 69KB of RAM, both of which are ECC-protected.
- What advanced math units are included in the TMS320F280039C?
The device includes a Trigonometric Math Unit (TMU) and support for Fast Integer Division (FINTDIV).
- What is the Programmable Control Law Accelerator (CLA) and its role?
The CLA is an independent 32-bit floating-point math accelerator that executes in parallel with the main CPU, offloading common tasks and accessing key peripherals directly.
- What security features are available on the TMS320F280039C?
The device includes JTAGLOCK, Zero-pin boot, and Dual-zone security features.
- What types of communication interfaces are supported by the TMS320F280039C?
The device supports PMBus, I2C, CAN/DCAN and CAN FD/MCAN bus ports, SPI, UART-compatible SCI and LIN interfaces, and Fast Serial Interface (FSI).
- What is the Configurable Logic Block (CLB) and its purpose?
The CLB allows users to add custom logic and integrate FPGA-like functions into the C2000 real-time MCU.
- What are the key applications of the TMS320F280039C microcontroller?
The device is used in motor drives, appliances, hybrid and electric powertrain systems, solar and EV charging, digital power, body electronics and lighting, and test and measurement applications.
- How does the TMS320F280039C support high-performance analog operations?
The device integrates high-performance analog blocks, including three 4-MSPS, 12-bit ADCs and four integrated Post-Processing Blocks (PPB) per ADC, closely coupled with the processing and PWM units.
- What power management features are included in the TMS320F280039C?
The device features internal VREG generation, allowing for single-supply design, and includes a Brownout reset (BOR) circuit.
