Part Number: TMS320F28335ZJZQCR

Manufacturer: Texas Instruments

Description: Digital Signal Processor (DSP)

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The Texas Instruments TMS320F28335ZJZQCR microcontroller is a dynamic mix of DSP (Digital Signal Processor) and DSC (Digital Signal Controller) functions. Its combination of processing power and advanced peripherals makes it a flexible choice for real-time signal processing and accurate control in applications like motor control, power electronics, and more. This guide looks at the TMS320F28335ZJZQCR’s architecture, peripherals, programming methods, and real-world applications. This will give you a complete plan for using the TMS320F28335ZJZQCR to its full potential in digital signal processing and control.

Overview and Features

The TMS320F28335ZJZQCR microcontroller is a top-of-the-line product from Texas Instruments. It has a mix of cutting-edge features and strong specifications that make it perfect for digital signal processing (DSP) and control apps that require a lot of power.

TMS320F28335ZJZQCR Key Features

  • DSP and DSC Fusion: The TMS320F28335ZJZQCR combines the functions of a Digital Signal Processor (DSP) and a Digital Signal Controller (DSC) in a seamless way. This lets it handle complicated algorithms and precise control jobs in real-time.
  • High-Performance Core: This microcontroller is powered by a 32-bit C28x CPU core, which makes it fast and accurate enough to run complicated signal processing methods quickly.
  • Plenty of Memory: The microcontroller has a lot of Flash memory for storing programs and a lot of RAM for manipulating data, so it can handle the storage and processing needs of complex apps.
  • Useful Accessories: With the help of ADC, PWM, timers, and transmission interfaces like UART, SPI, I2C, and CAN, developers can easily connect to sensors, actuators, and other external devices.

Real-Time Control: The TMS320F28335ZJZQCR is excellent for real-time control applications, like motor control, that require exact timing and quick response.

TMS320F28335ZJZQCR Specifications

  • CPU: 32-bit C28x core
  • Flash Memory: Extensive storage for program code
  • RAM: Ample data memory for computation and storage
  • ADC: High-resolution Analog-to-Digital Converter for accurate signal acquisition
  • PWM: Enhanced Pulse Width Modulation for precise control
  • Communication: Multiple interfaces for seamless connectivity
  • Timers: Configurable timers for event-based control
  • Operating Voltage Range: Wide voltage range for diverse applications

Target Applications

The TMS320F28335ZJZQCR finds its niche in a multitude of applications, including:

  1. Motor Control:Ideal for driving motors with high precision and efficiency in applications like industrial automation, robotics, and electric vehicles.
  2. Power Electronics:Enables effective control and management of power converters, inverters, and energy storage systems.
  3. Renewable Energy:Facilitates control algorithms in solar inverters, wind turbines, and grid-tied systems, optimizing energy conversion and distribution.
  4. Communication Systems:Utilized for real-time signal processing and modulation in wireless communication systems.
  5. Automotive Electronics:Performs intricate control tasks in automotive systems such as electronic stability control, engine management, and safety features.
  6. Industrial Control:Plays a vital role in real-time control and automation of industrial machinery and processes.

Hardware Architecture

The TMS320F28335ZJZQCR microcontroller has a sophisticated internal architecture that is made for high-performance digital signal processing (DSP) and real-time control jobs. Let’s take a closer look at its most essential parts, such as the central processing unit (CPU), the memory structure, and the most important peripheral modules.

Central Processing Unit (CPU)

The TMS320F28335ZJZQCR has a fast 32-bit C28x CPU core at its core. This core has both DSP and efficient control processing built in, so it can handle both complicated algorithms and quick control tasks well. The CPU is made so that efficient math operations and data manipulation are its top priorities. This lets signal processing methods run smoothly.

Memory Hierarchy

The memory hierarchy of the microcontroller is well set up to hold program code, data, and essential factors.

  • Flash Memory: There is enough Flash memory to store computer code. This non-volatile memory keeps programs running even after a power cycle and makes it easier to change the firmware.
  • RAM (Random Access Memory): The microcontroller has different kinds of RAM, such as data RAM and special function registers (SFRs). During program processing, these memory segments are used as a place to work with data and store it temporarily.

TMS320F28335ZJZQCR Key Peripheral Modules

The TMS320F28335ZJZQCR has a variety of peripheral units that improve its ability to control and process signals in real-time:

● ADC (Analog-to-Digital Converter)

The high-resolution ADC module lets analog data from sensors or other sources be picked up with great accuracy. It is a must-have for sampling and digitizing real-world signals correctly.

● PWM (Pulse Width Modulation)

Enhanced PWM modules let the microcontroller make exact pulse-width modulated signals. This makes it perfect for controlling motors, regulating power, and other tasks that need outputs with different voltages or currents.

● Timers

Programmable timers let you set exact times for different jobs. They can be used to make timed interruptions, synchronize events, and do other things.

● Communication Interfaces

The microcontroller has a number of communication interfaces, such as UART (Universal Asynchronous Receiver-Transmitter), SPI (Serial Peripheral Interface), I2C (Inter-Integrated Circuit), and CAN (Controller Area Network). These connections make it easy for devices, sensors, and other systems to connect and talk to each other.

● Enhanced Peripheral Modules

Specialized modules like ePWM (Enhanced PWM), eCAP (Enhanced Capture), and eQEP (Enhanced Quadrature Encoder Pulse) offer advanced control and feedback capabilities, making them essential for motor control and other similar uses.

The way these parts are connected in the microcontroller’s design makes for a synergistic environment that makes it easy to run signal processing algorithms, make precise control loops, and connect to other devices.

Peripheral Modules

The TMS320F28335ZJZQCR microcontroller comes with a wide range of peripheral modules that increase its flexibility and fit for a wide range of real-time control and digital signal processing applications. Let’s learn more about these important secondary modules:

ADC (Analog-to-Digital Converter)

The high-resolution ADC module enables the precise conversion of analog signals into digital data. Key features include:

  • Resolution and Sampling Rate:The ADC offers impressive resolution, allowing accurate digitization of analog signals. It supports high-speed sampling rates for real-time signal acquisition.
  • Multiplexing:Multiple analog inputs can be multiplexed to the ADC, facilitating simultaneous or sequential conversion of multiple signals.

PWM (Pulse Width Modulation)

The PWM module facilitates the generation of precise digital pulse-width modulated signals. This module is invaluable for applications requiring accurate control of voltage or current outputs, such as motor control and power regulation.

  • Duty Cycle Control:The PWM module enables precise control over the duty cycle of the generated pulses, facilitating fine-grained control over the output signal.

Timers and ePWM (Enhanced PWM)

The microcontroller incorporates versatile timer modules, including the enhanced PWM (ePWM) submodule, which adds advanced capabilities to traditional PWM. Key features include:

  • High-Resolution Counters:Timers provide high-resolution counters for generating precise time intervals, enabling accurate timing control in various applications.
  • ePWM Flexibility:The ePWM submodule offers advanced waveform generation features, including symmetric and asymmetric PWM waveforms, dead-band control, and fault protection.

eCAP (Enhanced Capture)

The enhanced capture module, eCAP, is tailored for capturing and processing external event signals. It is beneficial for applications involving precise timing and synchronization.

  • Capture Modes:eCAP supports various capture modes, allowing the capture of rising/falling edges, pulse width, and periods of external signals.

eQEP (Enhanced Quadrature Encoder Pulse)

The eQEP module is designed for interfacing with quadrature encoders in motion control systems. It facilitates precise position and speed measurement.

  • Quadrature Decoder:The eQEP module can decode quadrature encoder signals, determining both the position and direction of rotation.


In summary, the TMS320F28335ZJZQCR unequivocally asserts its dominance in the domain of digital signal processing and control, serving as the catalyst that turns visionary ideals into palpable achievements. A symphony of rugged architecture, versatile peripherals, and unparalleled performance harmoniously converges, ushering in a new epoch of technological progression.

As such, the TMS320F28335ZJZQCR takes its place as an indispensable implement within the toolkit of contemporary engineers and innovators. Immerse yourself in the transformative potential of the TMS320F28335ZJZQCR, seamlessly realized through a dynamic partnership with ICRFQ, your esteemed electronic components distributor based in China.

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