Overview
The TMS320F280041, part of the C2000™ 32-bit microcontroller family from Texas Instruments, is optimized for real-time control applications. This powerful MCU is designed to enhance closed-loop performance in various sectors such as industrial motor drives, solar inverters, digital power, electrical vehicles, and sensing and signal processing. The device features a 32-bit C28x CPU operating at 100 MHz, supported by advanced math units like the Trigonometric Math Unit (TMU) and the Viterbi/Complex Math Unit (VCU-I), which significantly improve the execution of trigonometric and complex math operations.
The TMS320F280041 also includes a Programmable Control Law Accelerator (CLA), which executes code independently of the main CPU, and a range of on-chip memory and security features. The MCU is available in various package options, including a 100-pin Low-profile Quad Flatpack (LQFP) package.
Key Specifications
| Specification | Details |
|---|---|
| CPU | TMS320C28x 32-bit CPU, 100 MHz |
| Floating-Point Unit | IEEE 754 single-precision FPU |
| Math Units | Trigonometric Math Unit (TMU), Viterbi/Complex Math Unit (VCU-I) |
| Memory | 256KB (128KW) of flash, 100KB (50KW) of RAM |
| Security | Dual-zone security, Unique Identification (UID) number |
| Clock and System Control | Two internal zero-pin 10-MHz oscillators, on-chip crystal oscillator, external clock input |
| Power | 1.2-V core, 3.3-V I/O design, internal VREG or DC-DC for 1.2-V generation |
| GPIO and Peripherals | 40 individually programmable multiplexed GPIO pins, 21 digital inputs on analog pins |
| Communications | PMBus interface, I2C interface, two CAN bus ports, two SPI ports, two SCIs, one LIN, one FSI |
| Analog System | Three 3.45-MSPS, 12-bit ADCs, seven windowed comparators, two 12-bit buffered DAC outputs, seven PGAs |
| Control Peripherals | 16 ePWM channels, seven eCAP modules, two eQEP modules, four SDFM channels |
Key Features
- Advanced Math Units: TMU for trigonometric functions and VCU-I for complex math operations.
- Programmable Control Law Accelerator (CLA): Executes code independently of the main CPU, supporting IEEE 754 single-precision floating-point instructions.
- On-chip Memory: 256KB of flash and 100KB of RAM, both ECC-protected or parity-protected.
- Security Features: Dual-zone security and a Unique Identification (UID) number.
- Clock and System Control: Internal zero-pin oscillators, on-chip crystal oscillator, and external clock input.
- Power Management: 1.2-V core, 3.3-V I/O design, with internal VREG or DC-DC for single-supply designs.
- GPIO and Peripherals: 40 individually programmable GPIO pins, 21 digital inputs on analog pins, and enhanced peripheral interrupt expansion.
- Communications Peripherals: PMBus, I2C, CAN, SPI, SCIs, LIN, and FSI interfaces.
- Analog System: Three 3.45-MSPS, 12-bit ADCs, seven windowed comparators, two 12-bit buffered DAC outputs, and seven PGAs.
- Control Peripherals: 16 ePWM channels, seven eCAP modules, two eQEP modules, and four SDFM channels.
- Functional Safety Compliance: Developed for functional safety applications, supporting up to ASIL D and SIL 3.
Applications
- Industrial Motor Drives: Optimized for real-time control in motor drive applications.
- Solar Inverters and Digital Power: Suitable for high-efficiency power conversion and control.
- Electrical Vehicles and Transportation: Used in various automotive and transportation control systems.
- Motor Control: Ideal for advanced motor control algorithms and real-time processing.
- Sensing and Signal Processing: Effective in applications requiring precise analog signal processing and control.
Q & A
- What is the CPU speed of the TMS320F280041?
The CPU operates at 100 MHz.
- What advanced math units are included in the TMS320F280041?
The MCU includes a Trigonometric Math Unit (TMU) and a Viterbi/Complex Math Unit (VCU-I).
- How much on-chip memory does the TMS320F280041 have?
The device has 256KB of flash and 100KB of RAM.
- What security features are available on the TMS320F280041?
The MCU features dual-zone security and a Unique Identification (UID) number.
- What are the power management capabilities of the TMS320F280041?
The device has a 1.2-V core, 3.3-V I/O design, with internal VREG or DC-DC for single-supply designs.
- What types of communications peripherals are available on the TMS320F280041?
The MCU includes PMBus, I2C, CAN, SPI, SCIs, LIN, and FSI interfaces.
- How many ADCs and DACs are integrated into the TMS320F280041?
The device has three 3.45-MSPS, 12-bit ADCs and two 12-bit buffered DAC outputs.
- What control peripherals are available on the TMS320F280041?
The MCU includes 16 ePWM channels, seven eCAP modules, two eQEP modules, and four SDFM channels.
- Is the TMS320F280041 compliant with functional safety standards?
Yes, it is developed for functional safety applications, supporting up to ASIL D and SIL 3.
- What package options are available for the TMS320F280041?
The MCU is available in 100-pin LQFP, 64-pin LQFP, and 56-pin VQFN packages.
