Datasheet

IN1

IN4

EN3

EN2

IN3

IN2

nSLEEP

EN1

JP3

EN1

nRESET

Microcontroller Side

DRV8844 Driver Side

www.ti.com

Installing Drivers and Software

2.3 Jumpers

The EVM contains one row of ten 2-pin jumpers (JP3), which are removable to isolate the microcontroller

resource as a controlling source to the power stage. If a particular signal is interfaced externally, attach

the controlling signal to either the test stakes or the driver side of JP3.

Figure 2. DRV8844 Jumpers

2.4 Power Outputs

There are two ways of connecting the desired load into the EVM: four pin header (J1) or four position

terminal block (J2).

3 Installing Drivers and Software

3.1 Installing the FTDI USB Driver

The USB driver is easily installed on any Windows system (Windows XP 32 or 64 bits, Windows Vista,

Windows 7) by double-clicking the included CDM20814_Setup.exe. The USB peripheral is installed as a

virtual COM port (VCP). The Windows application enumerates all available COM Ports during startup.

While connecting, the application attempts to communicate with the module. Once communications have

been successfully established, the EVM is ready for evaluation purposes.

3.2 Installing the DRV8844 Evaluation Board Windows Application Software

The Windows application is installed by running the Setup.exe file found in the DRV8844 folder.

3.3 Running the Windows Application Software

Start this application by clicking Start → Programs → Texas Instruments Inc. → DRV8844EVM.

SLVU762–August 2012 DRV8844 Evaluation Module

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