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BUF22821EVM-USB Hardware

3.2 Typical Hardware Connections

Setting up the BUF22821EVM-USB hardware involves connecting the BUF22821 test board and the

USB_DIG_Platform together via a 25-pin DSUB connector and then applying power. The external

connections may be connected to the real-world system that the BUF22821 is to be incorporated into.

Figure 5 shows the typical hardware connections.

Figure 5. Typical Hardware Connections for the BUF22821EVM-USB

3.3 Connecting the Hardware

To connect the BUF22821 Test Board and the USB_DIG_Platform together, gently push on both sides of

the DSUB connectors. Note that the USB_DIG_Platform board has two DSUB connectors; either DSUB

connector may be used. Make sure that the two connectors are completely pushed together; loose

connections may cause intermittent operation.

SBOU117–September 2011 BUF22821EVM-USB Evaluation Board and Software Tutorial

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