CDB42L55
1 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 Section 3 on page 8 for details on how the various
components on the board interface with each other in different board configuration modes. Refer to Section 4 on
page 10 for descriptions on control settings in the Cirrus FlexGUI software.
.
2
Set Board Power setting to USB
1
Set jumper settings for VL to 3.3V
and VCP,VLDO and VA to 1.8V
3
J48,J53,J52, J74, J7 and
J11 should be shunted
6
Connect USB to board. Open Flex
GUI software on PC and load
quick setup script.
Apply analog inputs
10
4
Set desired jumper
settings for
J12,J4,J2 and J3.
7
Provide digital inputs to
the board either through
the S/PDIF optical or
RCA connectors or
through the PSIA I/O
header J78.
8
5
Receive digital outputs from the board
either through the S/PDIF optical or
RCA phono connectors or through the
PSIA I/O header J40.
Left pins on J109 and
J104 should be
shunted
9
Monitor analog outputs via HP or Line Channel RCA
connectors or HP stereo jack
Figure 1. Quick Start Board Layout
4
DS773DB1
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