DRV8880_15 Datasheet, PDF (9/48 Pages) Texas Instruments – DRV8880 2-A Stepper Motor Driver With AutoTune™

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6.6 Indexer Timing Requirements
NO.
1
ƒ_STEP
2
t_WH(STEP)
3
t_WL(STEP)
4
t_{SU(DIR, Mx)}
5
t_{H(DIR, Mx)}
Step frequency
Pulse duration, STEP high
Pulse duration, STEP low
Setup time, DIR or Mx to STEP rising
Hold time, DIR or Mx to STEP rising
(1) STEP input can operate up to 1 MHz, but system bandwidth is limited by the motor load
1
2
3
STEP
DRV8880
SLVSD18A – JUNE 2015 – REVISED JULY 2015
MIN
MAX
UNIT
1 ⁽¹⁾
MHz
470
ns
470
ns
200
ns
200
ns
DIR, Mx
45
Figure 1. Timing Diagram
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