Overview
The TMS320F28026 is a 32-bit microcontroller from Texas Instruments, part of the C2000™ family. This MCU is optimized for real-time control applications, such as industrial motor drives, solar inverters, digital power, electrical vehicles, and sensing and signal processing. The F2802x family, to which the TMS320F28026 belongs, combines the power of the C28x core with highly integrated control peripherals, even in low pin-count devices. This microcontroller is code-compatible with previous C28x-based code and offers a high level of analog integration, making it versatile for various industrial and automotive applications.
Key Specifications
| Specification | Details |
|---|---|
| Processor | High-efficiency 32-bit CPU (TMS320C28x) |
| Operating Frequency | 60 MHz (16.67-ns cycle time), 50 MHz (20-ns cycle time), 40 MHz (25-ns cycle time) |
| Memory | 32-kb flash, SARAM, OTP, Boot ROM |
| Package Options | 38-pin DA TSSOP, 48-pin PT LQFP |
| Operating Temperature Range | -40°C to 105°C (T), -40°C to 125°C (S and Q) |
| Supply Voltage | Single 3.3-V supply |
| GPIO Pins | Up to 22 individually programmable, multiplexed GPIO pins |
| Timers | Three 32-bit CPU timers, independent 16-bit timer in each Enhanced Pulse Width Modulator (ePWM) |
| Communication Interfaces | SCI (UART), SPI, I2C |
| Analog-to-Digital Converter (ADC) | 12-bit ADC, conversion time: 216.67 ns to 500 ns depending on the model |
| Temperature Sensor | On-chip temperature sensor |
Key Features
- High-efficiency 32-bit CPU (TMS320C28x) with 16 × 16 and 32 × 32 MAC operations and 16 × 16 dual MAC
- Harvard bus architecture and atomic operations for fast interrupt response and processing
- Unified memory programming model and code-efficient in C/C++ and Assembly
- Little endian endianness
- Low cost and low power consumption with single 3.3-V supply and no power sequencing requirement
- Integrated power-on and brown-out resets
- Two internal zero-pin oscillators, on-chip crystal oscillator, and external clock input
- Watchdog timer module and missing clock detection circuitry
- Enhanced control peripherals including ePWM, HRPWM, eCAP, and ADC
- Analog comparators with internal 10-bit references
- On-chip temperature sensor and comparator
- Advanced emulation features for real-time debug through hardware
- Code-security module with 128-bit security key and lock to protect secure memory blocks
Applications
- Industrial motor drives
- Solar inverters and digital power
- Electrical vehicles and transportation
- Motor control
- Sensing and signal processing
- Automotive applications (AEC Q100 qualification for some models)
Q & A
- What is the TMS320F28026?
The TMS320F28026 is a 32-bit microcontroller from Texas Instruments, part of the C2000™ family, optimized for real-time control applications.
- What are the key features of the TMS320F28026?
Key features include a high-efficiency 32-bit CPU, Harvard bus architecture, unified memory programming model, low power consumption, and integrated control peripherals such as ePWM, HRPWM, and ADC.
- What are the operating frequencies of the TMS320F28026?
The TMS320F28026 operates at 60 MHz (16.67-ns cycle time), 50 MHz (20-ns cycle time), and 40 MHz (25-ns cycle time).
- What types of packages are available for the TMS320F28026?
The TMS320F28026 is available in 38-pin DA TSSOP and 48-pin PT LQFP packages.
- What is the operating temperature range of the TMS320F28026?
The operating temperature range is -40°C to 105°C (T), and -40°C to 125°C (S and Q) for automotive-qualified models.
- Does the TMS320F28026 have any security features?
Yes, it includes a code-security module with a 128-bit security key and lock to protect secure memory blocks.
- What communication interfaces are available on the TMS320F28026?
The TMS320F28026 includes SCI (UART), SPI, and I2C communication interfaces.
- What kind of timers does the TMS320F28026 have?
The TMS320F28026 features three 32-bit CPU timers and independent 16-bit timers in each Enhanced Pulse Width Modulator (ePWM).
- Is the TMS320F28026 suitable for automotive applications?
Yes, some models of the TMS320F28026 are AEC Q100 qualified for automotive applications.
- What is the purpose of the on-chip temperature sensor?
The on-chip temperature sensor allows for temperature monitoring and can be used in various control and monitoring applications.
- How does the TMS320F28026 support real-time debugging?
The TMS320F28026 supports real-time debugging through advanced emulation features and hardware.
