L6482 datasheet(51/73 Pages) STMICROELECTRONICS

No. de pieza	L6482

Descripción Electrónicos	cSPIN?? microstepping motor controller with motion engine and SPI

PDF	73 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

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51 / 73 page

L6482

Programming manual

Doc ID 023768 Rev 2

51/73

9.1.16

STEP_MODE

The STEP_MODE register has the following structure:

The STEP_SEL parameter selects one of five possible stepping modes:

Every time the step mode is changed, the electrical position (i.e. the point of microstepping

sinewave that is generated) is reset to the first microstep.

Warning:

Every time STEP_SEL is changed, the value in the ABS_POS

Any attempt to write the register when the motor is running causes the command to be

ignored and the NOTPERF_CMD flag to rise (see Section 9.1.21).

When the SYNC_EN bit is set low, the BUSY/SYNC output is forced low during the

command execution, otherwise, when the SYNC_EN bit is set high, the BUSY/SYNC output

provides a clock signal according to the SYNC_SEL parameter.

Table 22.

STEP_MODE register

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

SYNC_EN

SYNC_SEL

1(1)

When the register is written this bit must be set to 1.

STEP_SEL

Table 23.

Step mode selection

STEP_SEL[2..0]

Step mode

Full-step

Half-step

1/4 microstep

1/8 microstep

1/16 microstep

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