L6482 datasheet(24/73 Pages) STMICROELECTRONICS

24 / 73 page

Functional description

L6482

24/73

Doc ID 023768 Rev 2

performing the minimum path (minimum physical distance) or forcing a direction (see

Figure 10).

Performed motor motion is compliant to programmed speed profile boundaries

(acceleration, deceleration, minimum and maximum speed).

Note that with some speed profiles or positioning commands, the deceleration phase can

start before the maximum speed is reached.

Figure 10.

Positioning command examples

6.7.3

Motion commands

Motion commands produce a motion in order to perform a user-defined number of

microsteps in a user-defined direction that are sent to the device together with the command

(see Figure 11).

Performed motor motion is compliant to programmed speed profile boundaries

(acceleration, deceleration, minimum and maximum speed).

Note that with some speed profiles or motion commands, the deceleration phase can start

before the maximum speed is reached.

Figure 11.

Motion command examples

AM15040v1

Forward

direction

-2

21-1

-2

21-1

Present

position

Target

position

Present

position

Target

position

GoTo(Target pos)

GoTo_DIR(Target pos,FW)

programmed

ACCELERATION

SPEED

programmed

maximum

speed

programmed

minimum

speed

time

programmed

DECELERATION

programmed number of microsteps

programmed

ACCELERATION

SPEED

programmed

maximum

speed

programmed

minimum

speed

time

programmed

DECELERATION

programmed number of microsteps

Note: with some

Acceleration/Decelaration profiles

the programmed maximum speed

is never reached

AM15041v1

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