Datasheet

Evaluates: MAX5550/MAX5548

MAX5550 Evaluation Kit

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Figure 4. Advanced SPI User Interface Window (3-Wire Interface Tab)

Resetting Registers to the Power-On-

Reset (POR) State

Click on Options | Reset Registers to POR State to

reset the MAX5550’s registers and GUI to the POR

state. This can be done at any time and is highly rec-

ommended after the advanced user interface is used.

Advanced User Interface

A serial interface can be used by advanced users by

clicking Options | Interface (Advanced Users).

For SPI, click on the 3-wire interface tab shown in

Figure 4. Enter data into the Data bytes to be written

edit box and press the Send Now button.

For I

C, click on the 2-wire interface tab shown in Figure

5. Press the Hunt for active listeners button to obtain the

current MAX5550 slave address in the Target Device

Address: combo box. In the General commands tab,

select 1 – SMBusWriteByte(addr,cmd,data8) in the

Command drop-down list. Enter the desired values into

the Command byte and Data Out combo boxes and

then press the Execute button.