32-bit microcontrollers for digital signal processing and control applications
Manufacturer: ti
# TMS320F28335 Product Series Introduction
## 1. Overview
The TMS320F28335 belongs to the TMS320F28x series of digital signal processors (DSPs) developed by Texas Instruments. It is a high - performance, floating - point DSP that combines the advantages of high - speed signal processing capabilities and rich peripheral interfaces. This product is widely used in various industrial control, power electronics, and automation fields due to its excellent performance and flexibility.
## 2. Key Features
### 2.1 Floating - Point Processing Unit
- **High - Precision Calculation**: The TMS320F28335 is equipped with a floating - point unit (FPU), which can directly perform floating - point arithmetic operations such as addition, subtraction, multiplication, and division. This eliminates the need for complex fixed - point to floating - point conversion operations, greatly improving the accuracy and efficiency of calculations. For example, in applications such as motor control and power system analysis, where high - precision calculations are required, the floating - point processing ability can ensure more accurate control and analysis results.
- **Fast Execution Speed**: The FPU can execute floating - point instructions at a high speed, enabling the DSP to handle complex algorithms in a short time. This is crucial for real - time applications, as it allows the system to respond quickly to changes in the input signals and make timely control decisions.
### 2.2 High - Performance CPU
- **32 - bit CPU Core**: The device features a 32 - bit C28x CPU core, which provides a high - speed processing platform. It has a high instruction execution rate, capable of executing multiple instructions per clock cycle. This high - performance CPU core enables the TMS320F28335 to handle complex algorithms and tasks efficiently, such as digital filtering, Fourier transforms, and control algorithms.
- **Low - Power Consumption**: Despite its high performance, the TMS320F28335 is designed with low - power consumption in mind. It supports multiple power - saving modes, allowing the system to reduce power consumption during idle or low - load periods. This is especially important for battery - powered applications or systems with strict power consumption requirements.
### 2.3 Rich Peripheral Interfaces
- **Analog - to - Digital Converters (ADCs)**: The TMS320F28335 is equipped with two 12 - bit ADCs, each with up to 16 channels. These ADCs can sample analog signals at a high speed, with a maximum sampling rate of up to 1 MSPS (Mega Samples Per Second). This makes it suitable for applications that require analog signal acquisition, such as sensor data collection and power monitoring.
- **Pulse - Width Modulation (PWM) Modules**: It has multiple PWM modules, which can generate high - precision PWM signals. These PWM signals are widely used in motor control, power electronics, and lighting control applications. The PWM modules support features such as dead - time insertion, fault protection, and variable frequency control, providing flexibility for different application requirements.
- **Serial Communication Interfaces**: The device supports various serial communication interfaces, including SPI (Serial Peripheral Interface), I2C (Inter - Integrated Circuit), and SCI (Serial Communication Interface). These interfaces enable the TMS320F28335 to communicate with other devices, such as sensors, actuators, and external memory chips, facilitating system integration and data exchange.
### 2.4 On - Chip Memory
- **Flash Memory**: The TMS320F28335 has a large - capacity on - chip Flash memory, which can be used to store program code and
176-LQFP
176-LQFP-EP
176-LQFP (exposed pad)