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Timing Chart
(1) Stepper motor timing chart
Timing chart for 2-phase drive
IN1
IN2
IN3
IN4
LB1973M
Channel 1
output mode
Channel 2
output mode
Standby Forward
Reverse
Forward Reverse Forward
Standby
Standby
Forward
Reverse
Forward
Reverse Forward Standby
(2) Timing chart for 1-2 phase drive (Fastdecay mode)
IN1
IN2
IN3
IN4
Channel 1
output mode
Channel 2
output mode
Standby Forward OFF
Reverse
OFF
Forward
Standby
Standby
Forward
OFF
Reverse
OFF Forward Standby
No.A1450-4/5