3.3V DSP for digital motor control new generations of motor control digital signal processors lower their supply voltages from 5V to3.3V to offer higher performance at lower cost.

Replacing traditional 5V digital control circuitry by 3.3V designs introduce no additional system cost and no significant complication in infracting with mixed voltage ICS such as power transistor gate drivers,

Just like 5V based designs, good engineer minimize noise and EMI effect’s by proper component layout and PCB design when 3.3V DSP .ADC, and digital circuitry are used in a mixed signal environment, with high and low voltage analog and switch signals, Such as a motor control system.

In addition, software techniques such as random PWM method can be used by special features of the TI TMS 320*24XXDSP construers to significantly reduce noise effects caused by EMI radiation.

To be cost competitive, new generations of digital signal processors must shrink the physical sire of internal circuitry to achieve higher integration levels.

this has been an industry trend all along .for example the gate oxide of transistors on the most advanced DSP has reached 0.18microns only a few years ago .the same geometry was at 10 micron level.

Smaller geometry allows more circuits to be packed more closely together .this not only increases the levels of integration but also shortens the trowel distance for electrons therefore .

Shrinking increases the speed and level of integration at the same time .higher level of integration means lower cost

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