Cirrus Logic CDB5484U - Manual (Page 17)

CDB5484U
DS919DB5 17
2.3 Start-up Window
When the software is launched, the Start-Up Window is displayed. This window contains information
about the software, including its title, revision number, and copyright date. The Start-Up Window is dis-
played in Figure 10.
Figure 10. GUI Start-up Window
A menu bar at the top displays four items: System, Cirrus Test, Connect, and Quit. Initially System and
Cirrus Test are disabled. After establishing a link to a data source, the System and Cirrus Test items will
become available.
2.4 Connect Menu
The Connect menu allows the user to establish a USB communication link with the CDB5484U board.
After the USB communication has been established, the CS5484 serial port configuration needs to be
entered according to the position of jumper J16. Connecting to the CDB5484 is a two-step process:
1. Use the “USB Item” to connect to the MCU.
2. Use the “CS5484 Serial Port Config Item” to connect the MCU to the CS5484.
2.4.1 USB Item
In the Connect menu, the USB item allows the user to establish USB communication. If the USB item in
the Connect menu is selected, the evaluation software will poll the C8051F342 microcontroller, verifying
the serial communication link is ready. When the Connect to the CDB board window is displayed (see
Figure 11), the user should reset the CDB5484 using switch (S1) on the board, wait for Windows to rec-