Quick-Start Guide; Figure 1. Quick-Start Board Layout - Cirrus Logic CDB42L56 Manual

2. QUICK-START GUIDE

The following figure is a simplified quick-start guide made for user convenience. The guide configures the board with
a 1.8 V power supply to VLDO, VA and VCP and a 3.3 V power supply to VL. The user may choose from steps 7
through 10 depending on the desired measurement. Refer to
components on the board interface with each other in different board configuration modes. Refer to
page 11 for descriptions on control settings in the Cirrus FlexGUI software.
.
6
Connect USB to board.
Open Flex GUI software
on PC and load quick
setup script.
7
Provide digital inputs to the
board either through the S/
PDIF optical or RCA phono
connectors or through the
PSIA I/O header J78.
Receive digital outputs from the board either
through the S/PDIF optical or RCA phono
connectors or through the PSIA I/O header
8
2
Set Board Power setting to USB.
8
Left pins on J109 and
J40.

Figure 1. Quick-Start Board Layout

Section 3 on page 9
Set jumper settings for VL to 3.3 V
1
and VCP, VLDO and VA to 1.8 V.
5
J104 should be
Monitor analog output either via HP or Line Channel
shunted.
RCA phono connectors or HP stereo jack .
*Select which output channel will be used through
"CODEC configuration" tab in software
CDB42L56
for details on how the various
Section 4 on
J48, J53, J52, J74, J7 and
3
J11 should be shunted .
Provide Analog
Inputs to board.
*Select which input
channel will be used
through "CODEC
configuration" tab in
4
Set desired jumper
settings for J12, J4,
J2, J3.
9
DS851DB1
10
software