POWERSTEP01 datasheet(80/92 Pages) STMICROELECTRONICS

80 / 92 page

Programming manual

powerSTEP01

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DocID025022 Rev 5

11.2.13

GoMark

The GoMark command produces a motion to the MARK position performing the minimum

path.

Note that, this command is equivalent to the “GoTo (MARK)” command. If a motor direction

is mandatory, the GoTo_DIR command must be used.

The GoMark command keeps the BUSY flag low until the MARK position is reached. This

command can be given only when the previous motion command has been completed

(BUSY flag released).

Any attempt to perform a GoMark command when a previous command is under execution

(BUSY low) causes the command to be ignored and the CMD_ERROR flag to rise

(Section 11.1.28 on page 71).

11.2.14

ResetPos

The ResetPos command resets the ABS_POS register to zero. The zero position is also

defined as the HOME position (Section 7.5 on page 25).

11.2.15

ResetDevice

The ResetDevice command resets the device to power-up conditions (Section 7.1 on page

22).

Note:

At power-up the power bridges are disabled.

Table 72. GoMark command structure

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

From host

Table 73. ResetPos command structure

Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

11011000

From host

Table 74. ResetDevice command structure

Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

11000000

From host

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