Overview
The TMS320F28055PNQ is a high-performance, 32-bit microcontroller from Texas Instruments, part of the C2000™ Piccolo™ microcontroller family. This device is designed for real-time control applications, particularly in harsh environments such as those found in the automotive industry. It features a robust architecture with advanced peripherals and a high level of analog integration, making it suitable for a wide range of control and automation tasks.
Key Specifications
| Specification | Details |
|---|---|
| Processor | 32-bit CPU (TMS320C28x), 60 MHz (16.67-ns cycle time) |
| Memory | 128 KB of flash memory, SARAM, Message RAM, OTP, CLA Data ROM, Boot ROM, Secure ROM |
| Package | 80-pin PN Low-Profile Quad Flatpack (LQFP) |
| Supply Voltage | 3.3 V (single supply, no power sequencing required) |
| Temperature Range | -40°C to 125°C (AEC Q100 qualification for automotive applications) |
| GPIO Pins | Up to 42 individually programmable, multiplexed General-Purpose Input/Output (GPIO) pins |
| Analog Peripherals | One 12-bit Analog-to-Digital Converter (ADC), up to seven comparators, up to three integrated Digital-to-Analog Converters (DACs), up to four Programmable Gain Amplifiers (PGAs) |
| Communication Interfaces | Three Serial Communications Interface (SCI) modules, one Serial Peripheral Interface (SPI) module, one Inter-Integrated-Circuit (I2C) bus, one Enhanced Controller Area Network (eCAN) bus |
| Timers and Counters | Three 32-bit CPU timers, independent 16-bit timer in each ePWM module |
| Security Features | 128-bit security key and lock, dual-zone security module |
Key Features
- High-Efficiency CPU: 32-bit CPU (TMS320C28x) with 60 MHz (16.67-ns cycle time) and support for 16 × 16 and 32 × 32 Multiply and Accumulate (MAC) operations.
- Programmable Control Law Accelerator (CLA): 32-bit floating-point math accelerator that executes code independently of the main CPU.
- Analog Integration: Includes a 12-bit ADC, up to seven comparators, up to three integrated DACs, up to four PGAs, and up to four digital filters.
- Communication Peripherals: Three SCI (UART) modules, one SPI module, one I2C bus, and one eCAN bus.
- Control Peripherals: Enhanced Pulse Width Modulator (ePWM), Enhanced Capture (eCAP) module, and Enhanced Quadrature Encoder Pulse (eQEP) module.
- Security and Debugging: Dual-zone security module, 128-bit security key and lock, and advanced debug features including real-time debug through hardware.
- Power and Clocking: Single 3.3-V supply, no power sequencing requirement, integrated power-on reset and brownout reset, and two internal zero-pin oscillators.
Applications
- Automotive Systems: Suitable for harsh automotive environments, including engine control, transmission control, and other automotive applications.
- Industrial Automation: Used in motor control, inverter control, and other industrial automation tasks.
- Consumer Electronics: Can be applied in air conditioner outdoor unit control, door operator drive control, and other consumer electronics.
- Power Management: Effective in AC drive control modules, AC-input BLDC motor drives, and DC-input BLDC motor drives.
Q & A
- What is the clock speed of the TMS320F28055PNQ microcontroller?
The TMS320F28055PNQ operates at a clock speed of 60 MHz with a cycle time of 16.67 ns.
- What type of memory does the TMS320F28055PNQ have?
The device features 128 KB of flash memory, along with SARAM, Message RAM, OTP, CLA Data ROM, Boot ROM, and Secure ROM.
- What is the package type of the TMS320F28055PNQ?
The TMS320F28055PNQ comes in an 80-pin PN Low-Profile Quad Flatpack (LQFP) package.
- What is the supply voltage requirement for the TMS320F28055PNQ?
The device operates on a single 3.3-V supply with no power sequencing requirement.
- What are the key analog peripherals of the TMS320F28055PNQ?
The device includes a 12-bit ADC, up to seven comparators, up to three integrated DACs, up to four PGAs, and up to four digital filters.
- Does the TMS320F28055PNQ support any communication interfaces?
Yes, it supports three SCI (UART) modules, one SPI module, one I2C bus, and one eCAN bus.
- What security features does the TMS320F28055PNQ have?
The device features a dual-zone security module and a 128-bit security key and lock to protect secure memory blocks.
- What are the typical applications of the TMS320F28055PNQ?
It is commonly used in automotive systems, industrial automation, consumer electronics, and power management applications.
- Does the TMS320F28055PNQ support real-time debugging?
Yes, it includes advanced debug features such as real-time debug through hardware.
- What is the temperature range for the TMS320F28055PNQ?
The device operates in a temperature range of -40°C to 125°C, making it suitable for harsh environments.
