Overview
The TMS320F28069FPNT is a high-performance real-time microcontroller from Texas Instruments, part of the TMS320F2806x family. This microcontroller is designed for demanding applications that require advanced processing capabilities, high-speed execution, and extensive peripheral support. It features a 32-bit TMS320C28x CPU operating at 90 MHz, which includes a Harvard bus architecture, atomic operations, and fast interrupt response and processing. The device is optimized for low overhead and latency, making it suitable for a wide range of industrial and automotive applications.
Key Specifications
| Specification | Details |
|---|---|
| CPU | 32-bit TMS320C28x, 90 MHz (11.11-ns cycle time) |
| MAC Operations | 16 × 16 and 32 × 32 Multiply and Accumulate (MAC) operations, 16 × 16 dual MAC |
| Floating-Point Unit (FPU) | Native single-precision floating-point operations |
| Programmable Control Law Accelerator (CLA) | 32-bit floating-point math accelerator, executes code independently of the main CPU |
| Viterbi, Complex Math, CRC Unit (VCU) | Extends C28x instruction set to support complex multiply, Viterbi operations, and Cyclic Redundancy Check (CRC) |
| Memory | Up to 256KB of flash, up to 100KB of RAM, 2KB of One-Time Programmable (OTP) ROM |
| Analog-to-Digital Converter (ADC) | 12-bit, dual Sample-and-Hold (S/H), up to 3.46 MSPS, up to 16 channels |
| Serial Port Peripherals | Two SPI modules, one I2C bus, one McBSP bus, one eCAN, USB 2.0 (full-speed device and host modes) |
| GPIO | Up to 54 individually programmable, multiplexed General-Purpose Input/Output (GPIO) pins with input filtering |
| Package Options | 80-pin PFP and 100-pin PZP HTQFPs, 80-pin PN and 100-pin PZ LQFPs |
| Temperature Options | T: –40°C to 105°C, S: –40°C to 125°C, Q: –40°C to 125°C (AEC Q100 qualification for automotive applications) |
Key Features
- High-Efficiency CPU: 32-bit TMS320C28x CPU with 90 MHz operation and 11.11-ns cycle time.
- Advanced Math Capabilities: Includes MAC operations, FPU for single-precision floating-point operations, and CLA for independent 32-bit floating-point math acceleration.
- Extensive Peripheral Support: Two SPI modules, one I2C bus, one McBSP bus, one eCAN, and USB 2.0 with full-speed device and host modes.
- Advanced Debug Features: Analysis and breakpoint functions, real-time debug through hardware.
- Analog Integration: 12-bit ADC with dual Sample-and-Hold, internal voltage regulator, and analog comparators with internal 10-bit references.
- Security Features: 128-bit security key and lock to protect secure memory blocks and prevent reverse-engineering of firmware.
Applications
- Industrial Control Systems: Suitable for inverter and motor control, door operator drive control, and other industrial automation applications.
- Automotive Systems: Qualified for automotive applications with AEC Q100 certification, suitable for various automotive control systems.
- Medical Devices: Can be used in medical devices requiring high precision and reliability.
- Aerospace and Defense: Applicable in aerospace and defense systems due to its robust and secure features.
Q & A
- What is the CPU speed of the TMS320F28069FPNT?
The CPU operates at 90 MHz with an 11.11-ns cycle time.
- What types of MAC operations does the TMS320F28069FPNT support?
It supports 16 × 16 and 32 × 32 Multiply and Accumulate (MAC) operations, as well as 16 × 16 dual MAC.
- Does the TMS320F28069FPNT have a Floating-Point Unit (FPU)?
Yes, it includes a native single-precision FPU.
- What is the Programmable Control Law Accelerator (CLA) used for?
The CLA is a 32-bit floating-point math accelerator that executes code independently of the main CPU.
- What types of serial port peripherals are available on the TMS320F28069FPNT?
It includes two SPI modules, one I2C bus, one McBSP bus, one eCAN, and USB 2.0 with full-speed device and host modes.
- How many GPIO pins does the TMS320F28069FPNT have?
Up to 54 individually programmable, multiplexed GPIO pins with input filtering.
- What are the package options for the TMS320F28069FPNT?
Available in 80-pin PFP and 100-pin PZP HTQFPs, and 80-pin PN and 100-pin PZ LQFPs.
- What are the temperature options for the TMS320F28069FPNT?
T: –40°C to 105°C, S: –40°C to 125°C, Q: –40°C to 125°C (AEC Q100 qualification for automotive applications).
- Does the TMS320F28069FPNT have any security features?
Yes, it includes a 128-bit security key and lock to protect secure memory blocks and prevent reverse-engineering of firmware.
- What types of applications is the TMS320F28069FPNT suitable for?
Suitable for industrial control systems, automotive systems, medical devices, and aerospace and defense systems.
