Computer Hardware User Manual

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VCC Software in Depth

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Table 9. VCC Register Map Editor Controls

Control Definition

Register Window Scrolling text box that displays the address and data for the I2C registers that are defined for the device.

This contains the I2C subaddress that will be accessed using the Write and Read buttons. Clicking on a

row selects an address, which then appears in the address edit box.

NOTE: After clicking on a row, the Data Edit box contains the data that was in the register window. The

Address Edit Box device has not yet been read.

The address up/down arrows are used to jump to the next/previous subaddress that is defined for the

device. If an address is not defined for the device, then it can still be accessed by typing the subaddress

in the Address Edit box.

This contains the data which will be written to or was read from the I2C subaddress.

Data Edit Box

The data up/down arrows increment/decrement the data value by 1.

Writes the byte in the Data Edit box to the address in the Address Edit box.

Write Button

The I2C register is written to whether or not the data is different from the last time the register was read.

Read Button Reads the data from the address in the Address Edit box into the Data Edit box and the register window.

Read All Button Reads all defined readable registers from the device and updates the register window.

Hex Button Converts all values in the register window and address and data edit boxes to hexadecimal.

Dec Button Converts all values in the register window and address and data edit boxes to decimal.

Closes the dialog.

Close Button

NOTE: Multiple edit register map windows can be open at the same time (one for each device). Use the

Window menu to navigate.

Causes subsequent write, read or read all operations to be performed N times. N is entered as a

Loop Count

decimal number from 1 to 999.

8.3 Property Sheets

The property sheets represent the register data in a user-friendly format. The data is organized by

function, with each function having its own page and being selectable via tabs at the top.

To open this for the TVP5158, click on the following menu item:

Edit > Property Sheets > TVP5158

When the property sheet function is started or whenever you tab to a different page, all readable registers

in the device are read from hardware to initialize the dialog pages. Values on the page are changed by

manipulating the various dialog controls as described in Table 11.

Table 10. Property Sheet Controls

Type of Control Function/How to Set a Value When is Hardware Updated?

Read-Only Edit Box Read status information N/A

Check Box Toggle a single bit After Apply

Drop-Down List Select from a text list After Apply

Edit Box Type a number After Apply

Up/Down Arrows: Immediately

Edit Box with Up/Down Arrows Use up/down arrows or type a number

Type a number: After Apply

Slider Slide a lever Immediately

Pushbutton Initiate an action Immediately

TVP5158 Evaluation Module SLEU108–November 2009

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