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L6480 Datasheet(PDF) 60 Page - STMicroelectronics

Part # L6480
Description  The L6480, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping.
PDF  73 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6480 Datasheet(HTML) 60 Page - STMicroelectronics

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Programming manual
L6480
60/73
Doc ID 023278 Rev 3
9.2
Application commands
The commands summary is given in Table 48.
Table 48.
Application commands
Command mnemonic
Command binary code
Action
[7..5] [4]
[3]
[2..1]
[0]
NOP
000
0
0
00
0
Nothing
SetParam(PARAM,VALUE)
000
[PARAM]
Writes VALUE in PARAM register
GetParam(PARAM)
001
[PARAM]
Returns the stored value in PARAM register
Run(DIR,SPD)
010
1
0
00
DIR Sets the target speed and the motor direction
StepClock(DIR)
010
1
1
00
DIR
Puts the device in Step-clock mode and imposes DIR
direction
Move(DIR,N_STEP)
010
0
0
00
DIR
Makes N_STEP (micro)steps in DIR direction
(Not performable when motor is running)
GoTo(ABS_POS)
011
0
0
00
0
Brings motor in ABS_POS position (minimum path)
GoTo_DIR(DIR,ABS_POS)
011
0
1
00
DIR Brings motor in ABS_POS position forcing DIR direction
GoUntil(ACT,DIR,SPD)
100
0
ACT
01
DIR
Performs a motion in DIR direction with speed SPD until
SW is closed, the ACT action is executed then a SoftStop
takes place
ReleseSW(ACT, DIR)
100
1
ACT
01
DIR
Performs a motion in DIR direction at minimum speed
until the SW is released (open), the ACT action is
executed then a HardStop takes place
GoHome
011
1
0
00
0
Brings the motor in HOME position
GoMark
011
1
1
00
0
Brings the motor in MARK position
ResetPos
110
1
1
00
0
Resets the ABS_POS register (sets HOME position)
ResetDevice
110
0
0
00
0
Device is reset to power-up conditions
SoftStop
101
1
0
00
0
Stops motor with a deceleration phase
HardStop
101
1
1
00
0
Stops motor immediately
SoftHiZ
101
0
0
00
0
Puts the bridges in high impedance status after a
deceleration phase
HardHiZ
101
0
1
00
0
Puts the bridges in high impedance status immediately
GetStatus
110
1
0
00
0
Returns the status register value
RESERVED
111
0
1
01
1
RESERVED COMMAND
RESERVED
111
1
1
00
0
RESERVED COMMAND



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