SLVA488B
January 2014 – January 2021
DRV8434
,
DRV8811
,
DRV8818
,
DRV8821
,
DRV8824
,
DRV8825
Trademarks
1
Introduction and Problem Statement
2
Stepper Motor Control High Level Functions
2.1
STEP Actuation: Acceleration, Speed Control and Deceleration Profiles
2.2
Accelerating the Motor
2.3
Stepper Speed
2.4
Decelerating the Motor
2.5
Speed Change
2.6
Position Control: Number Of Steps
2.7
Homing the Stepper
3
I2C Protocol and Communications Engine
3.1
GPIO CONFIG
3.2
STEPPER CONFIG
3.3
GPIO OUT
3.4
Current Duty Cycle
3.5
START STEPPER
4
Application Schematic
5
Revision History
2
Stepper Motor Control High Level Functions