Installation, Setup, and Running First Application
CDB47xxx User’s Manual
DS886DB9
Copyright 2012 Cirrus Logic, Inc
3-2
5. Make Audio Input connections to the CDB47xxx Board.
• Connect one end of the digital audio S/PDIF optical cable to (J1) on the CDB47xxx Board.
• Connect the other end of the optical cable to the optical output on the back of a DVD player or other
digital audio source.
6. Make Audio Output connections from the CDB47xxx Board:
• From the main Analog Line-level Outputs on the CDB47xxx, connect powered speakers to J5 and
J10 using RCA audio cables.
Figure 3-1. CDB47xxx Board with
CDB47xxxD (or S)-DC-xx
Daughtercard Attached
3.1.3 Connecting to a PC
Note:
There is a possibility that the CDB47xxx Evaluation Board may disconnect from the PC during
operation. It is recommended to short across pads of R172 by the USB connector on the board
to avoid any USB connectivity issues.
Follow these steps, to connect the
1. Connect the “B” end of the USB cable to P1 on the USB-Master daughtercard.
2. Connect the “A” end of the USB Cable to a USB 2.0 port on a notebook or PC running Windows XP
operating system.
3. The Windows operating system should recognize that a new device has been attached and display a
notice saying
“Found New Hardware”
.
Note:
In the Windows Device Manager, the CDB47xxx appears as a Universal Serial Bus Controller
called “USBXpressDevice”. The Device ID is “CDB47”. The Cirrus Device Manager (CDM),
