L6470HTR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L6470HTR' PDF : 73 Pages View PDF
Programming manual
L6470
9.2.14
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 NOTPERF_CMD flag to rise (see
Section 9.1.22 on page 55).
ResetPos
Bit 7
1
Bit 6
1
Table 50. ResetPos command structure
Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0
1
1
0
0
0
From host
9.2.15
The ResetPos command resets the ABS_POS register to zero. The zero position is also
defined as HOME position (see Section 6.5 on page 23).
ResetDevice
Bit 7
1
Bit 6
1
Table 51. ResetDevice command structure
Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0
0
0
0
0
0
From host
Note:
9.2.16
The ResetDevice command resets the device to power-up conditions (see Section 6.1 on
page 21).
At power-up the power bridges are disabled.
SoftStop
Bit 7
1
Bit 6
0
Table 52. SoftStop command structure
Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1
1
0
0
0
0
From host
The SoftStop command causes an immediate deceleration to zero speed and a consequent
motor stop; the deceleration value used is the one stored in the DEC register (see
Section 9.1.6 on page 43).
When the motor is in high impedance state, a SoftStop command forces the bridges to exit
from high impedance state; no motion is performed.
This command can be given anytime and is immediately executed. This command keeps
the BUSY flag low until the motor is stopped.
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