Address Selection

default address is 0010 000Y (ADD = GND). See Table

1 for a complete list of addresses.

Note: The first 7 bits shown are the address. Y (bit 0) is

or a 0 for a write.

Manual Headphone Sense Control

To simulate a pair of headphones being inserted into

the headphone jack J8, remove the shunt from jumper

JU2. Connect the load to the LEFT, RIGHT, and GND

pads located by the headphone jack J8. See Table 2

for jumper settings.

MAX9850 Evaluation System/Evaluation Kit

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13

Figure 13. The above example shows a simple SMBusWriteByte operation using the included Two-Wire Interface Diagnostics. In this

example, the software is writing data (0x00h) to Device Address 0x20h, Register Address 0x02h. The above data sequence will set

the volume of the MAX9850 to max.