Overview
The TMS320F280049, part of the C2000™ family, is a powerful 32-bit floating-point microcontroller unit (MCU) designed by Texas Instruments. This MCU is optimized for real-time control applications, such as industrial motor drives, solar inverters, digital power systems, electrical vehicles, and sensing and signal processing. The device features a 32-bit C28x CPU operating at 100 MHz, enhanced by the Trigonometric Math Unit (TMU) and Viterbi/Complex Math Unit (VCU-I) for efficient execution of trigonometric and complex math operations. The Programmable Control Law Accelerator (CLA) allows for independent execution of code, offloading tasks from the main CPU. The MCU also includes extensive on-chip memory, security features, and a wide range of peripherals to support various control and communication needs.
Key Specifications
| Specification | Details |
|---|---|
| Processor | TMS320C28x 32-bit CPU, 100 MHz |
| Memory | 256KB (128KW) of flash, 100KB (50KW) of RAM |
| Package | 64-pin LQFP (PM) |
| Operating Temperature | -40°C to 125°C |
| Analog-to-Digital Converters (ADCs) | Three 3.45-MSPS, 12-bit ADCs, up to 21 external channels |
| Programmable Gain Amplifiers (PGAs) | Seven PGAs with gain settings: 3, 6, 12, 24 |
| Digital-to-Analog Converters (DACs) | Two 12-bit buffered DAC outputs |
| Communication Peripherals | PMBus, I2C, CAN, SPI, SCI, LIN, FSI |
| Control Peripherals | 16 ePWM channels, 7 eCAP modules, 2 eQEP modules, 4 SDFM channels |
| Security Features | Dual-zone security, Unique Identification (UID) number |
Key Features
- IEEE 754 single-precision Floating-Point Unit (FPU): Enhances mathematical processing capabilities.
- Trigonometric Math Unit (TMU): Provides 3×-cycle to 4×-cycle improvement for common trigonometric functions.
- Programmable Control Law Accelerator (CLA): Executes code independently of the main CPU, with its own dedicated memory resources.
- Enhanced Control Peripherals: Includes 16 ePWM channels with high-resolution capability, 7 eCAP modules, and 2 eQEP modules.
- Analog System: Features three 3.45-MSPS, 12-bit ADCs, seven windowed comparators, and seven PGAs.
- Communication Peripherals: Supports PMBus, I2C, CAN, SPI, SCI, LIN, and FSI interfaces.
- Low-Power Modes: Multiple low-power modes with external wakeup support.
- Embedded Real-Time Analysis and Diagnostic (ERAD): Enhances debug and system analysis capabilities.
- Functional Safety Compliance: Developed for functional safety applications, compliant with ISO 26262 and IEC 61508 standards.
Applications
- Industrial Motor Drives: Optimized for real-time control in motor drive applications.
- Solar Inverters and Digital Power: Suitable for high-efficiency power conversion systems.
- Electrical Vehicles and Transportation: Used in control systems for electric vehicles and transportation systems.
- Motor Control: Ideal for various motor control applications requiring precise and efficient control.
- Sensing and Signal Processing: Utilized in applications that require advanced sensing and signal processing capabilities.
Q & A
- What is the core frequency of the TMS320F280049 MCU?
The core frequency of the TMS320F280049 MCU is 100 MHz.
- What type of memory does the TMS320F280049 MCU have?
The MCU has 256KB (128KW) of flash memory and 100KB (50KW) of RAM.
- What is the package type and pin count of the F280049PMSR?
The package type is 64-pin LQFP (PM).
- What are the key features of the TMU in the TMS320F280049 MCU?
The TMU provides a 3×-cycle to 4×-cycle improvement for common trigonometric functions and a 13-cycle Park transform.
- What communication interfaces are supported by the TMS320F280049 MCU?
The MCU supports PMBus, I2C, CAN, SPI, SCI, LIN, and FSI interfaces.
- Does the TMS320F280049 MCU have any specific safety certifications?
Yes, it is developed for functional safety applications and is compliant with ISO 26262 and IEC 61508 standards.
- What is the role of the CLA in the TMS320F280049 MCU?
The CLA is an independent 32-bit floating-point math accelerator that executes code in parallel with the main CPU, offloading common tasks.
- How many ADCs and what is their resolution in the TMS320F280049 MCU?
The MCU features three 3.45-MSPS, 12-bit ADCs.
- What are the programmable gain settings of the PGAs in the TMS320F280049 MCU?
The PGAs have programmable gain settings of 3, 6, 12, and 24.
- Does the TMS320F280049 MCU support low-power modes?
Yes, it supports multiple low-power modes with external wakeup capabilities.
