Datasheet

Modulation Schemes

Jumper JU6 sets the output modulation scheme. See

Table 6 for details.

Detailed Description of Software

To start the MAX9768 EV kit software, double-click the

MAX9768 EV kit icon created during installation. The

GUI main window appears, as shown in Figure 1. Wait

approximately 2s while the MAX9768 EV kit software

connects to the CMAXQUSB board and automatically

detects the I

C address of the device.

On the left side of the window, the scrollbar is used to

increment/decrement the speaker volume by one step.

On the right side of the window, a user can manually

change the device I

C address, set volume directly by

programming the volume register, and set the modula-

tion mode.

Evaluate: MAX9768

MAX9768 Evaluation Kit/Evaluation System

_______________________________________________________________________________________ 5

JUMPER SHUNT POSITION DESCRIPTION

1-4*

Fixed-frequency mode with

= 300kHz

1-2

Spread-spectrum mode with

= 300kHz ±7.5kHz

1-3

Fixed-frequency mode with

= 360kHz

JU6

Open

Fixed-frequency mode with

= 1/4 external clock

frequency

Table 6. JU6 Setting

Default position.

Figure 1. MAX9768 Evaluation Software Main Window