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| DRV8825 Datasheet, PDF (7/22 Pages) Texas Instruments – STEPPER MOTOR CONTROLLER IC | |||
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www.ti.com
TIMING REQUIREMENTS
1 fSTEP
2
tWH(STEP)
3
tWL(STEP)
4
tSU(STEP)
5
tH(STEP)
6 tENBL
7 tWAKE
Step frequency
Pulse duration, STEP high
Pulse duration, STEP low
Setup time, command to STEP rising
Hold time, command to STEP rising
Enable time, nENBL active to STEP
Wakeup time, nSLEEP inactive to STEP
DRV8825
SLVSA73C â APRIL 2010 â REVISED MAY 2011
MIN MAX UNIT
250 kHz
1.9
μs
1.9
μs
650
ns
650
ns
650
ns
1.7
ms
Figure 1. Timing Diagram
Copyright © 2010â2011, Texas Instruments Incorporated
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