Texas Instruments Laser And Motor Drives DRV8811EVM - Manual (Page 3)

Contents
1 Introduction ......................................................................................................................... 6
1.1 Block Diagram ............................................................................................................. 6
1.2 Power Connectors ........................................................................................................ 6
1.3 Test Stakes
................................................................................................................
7
1.4 Jumpers .................................................................................................................... 7
1.5 Motor Outputs ............................................................................................................. 7
2 Installing Drivers And Software ............................................................................................. 7
2.1 Installing the FTDI USB Driver .......................................................................................... 7
2.2 Installing the DRV8811 Evaluation Board Windows Application Software ........................................ 8
2.3 Running the Windows Application Software ........................................................................... 8
3 Windows Application ............................................................................................................ 8
3.1 Menu ........................................................................................................................ 9
3.2 DRV8811 GPIO Control Signals
........................................................................................
9
3.3 Updating DAC Output for Current Control (VREF/DECAY)
........................................................
10
3.4 Updating DAC Output for Decay Control (DECAY) ................................................................. 10
3.5 Operating the Stepper Motor ........................................................................................... 10
4 Schematic ......................................................................................................................... 12
SLVA344A – July 2009 – Revised September 2009 Table of Contents 3
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