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TMS320C24x Series of DSP Controllers

1-5

Introduction

1.2

TMS320C24x Series of DSP Controllers

Designers have recognized the opportunity to redesign existing DMC systems

to use advanced algorithms that yield better performance and reduce system

component count. DSPs enable:

- Design of robust controllers for a new generation of inexpensive motors,

such as AC induction, DC permanent magnet, and switched-reluctance

motors

- Full variable-speed control of brushless motor types that have lower

manufacturing cost and higher reliability

- Energy savings through variable-speed control, saving up to 25% of the

energy used by fixed-speed controllers

- Increased fuel economy, improved performance, and elimination of

hydraulic fluid in automotive electronic power steering (EPS) systems

- Reduced manufacturing and maintenance costs by eliminating hydraulic

fluids in automotive electronic braking systems

- More efficient and quieter operation due to less generation of torque

ripple, resulting in less loss of power, lower vibration, and longer life

- Elimination or reduction of memory lookup tables through real-time poly-

nomial calculation, thereby reducing system cost

- Use of advanced algorithms that can reduce the number of sensors

required in a system

- Control of power switching inverters, along with control algorithm

processing

- Single-processor control of multimotor systems

The ’C24x DSP controllers are designed to meet the needs of control-based

applications. By integrating the high performance of a DSP core and the

on-chip peripherals of a microcontroller into a single-chip solution, the ’C24x

series yields a device that is an affordable alternative to traditional microcon-

troller units (MCUs) and expensive multichip designs. At 20 million instructions

per second (MIPS), the ’C24x DSP controllers offer significant performance

over traditional 16-bit microcontrollers and microprocessors. Future deriva-

tives of these devices will run at speeds higher than 20 MIPS.

The 16-bit, fixed-point DSP core of the ’C24x device provides analog design-

ers a digital solution that does not sacrifice the precision and performance of

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