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BUF16821EVM-USB Software

3.6 BUF16821EVM-USB Default Jumper Settings

Figure 9 shows the default jumper configuration for the BUF16821EVM-USB. In general, the jumper

settings of the USB_DIG_Platform will not need to be changed. You may want to change some of the

jumpers on the BUF16821EVM-USB board to match your specific configuration. For example, you may

wish to set a specific I

C address.

Figure 9. BUF16821EVM-USB Default Jumper Settings

Jumpers 1 through 4 on the BUF16821EVM-USB are all typically set to the same position. When set to

the INT position, the signals from the digital supply, bank select, and the digital communication lines are

generated and controlled from the USB_DIG_Platform or by the onboard bank select switch. When these

jumpers are set to the EXT position, the previously-described signals connect to the terminal strips T2, T3,

and T4. Jumper 5 controls the I

C address pin for the BUF16821. This jumper can set the address for A0

to either high or low.

SBOU106– May 2011 BUF16821EVM-USB Evaluation Board and Software Tutorial

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