Two System Buttons
Register Map
Identification Result
Device Mode
Audio Volume Record Button
Status Information Remote-Control
Key Status
Three Command
Buttons
KIT34825EPEVME Evaluation Board
, Rev. 2.0
Freescale Semiconductor
15
Software Description
Figure 14. The 34825 Demo GUI
5.3.3
The register map
The register map is shown at the top of the information window. Refer to the 34825 datasheet for more
information about the register map. The values of the registers will be automatically updated if an interrupt
is received from the 34825. The user can manually update each register by clicking the “R” command
button next to each register, as shown in
. For a read-and-write register, a hidden “W” command
button will show up next to the “R” button when the register value is modified. The user can directly modify
the bit value in the register map. After clicking the “W” button, the new value will be written into the 34825
and the “W” button will disappear again. When the value in the register is not changed, the “W” command
button is hidden.
5.3.4
Command buttons
There are three command buttons, “Read All Registers”, “Reset by VDDIO” and “Reset by I2C”, located
at the lower portion of the information window. The functions for them, when clicked, are as following:
Read All Registers:
to read all internal registers and display the result in the register map.
Reset by VDDIO:
to reset the 34825 by disabling the VDDIO supply to the 34825.
