Cirrus-logic CDB42L56 Manual do Utilizador descarregar pdf (Página 8)

8 DS851DB1

CDB42L56

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 Section 3 on page 9 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 11 for descriptions on control settings in the Cirrus FlexGUI software.

Figure 1. Quick-Start Board Layout

Set jumper settings for VL to 3.3 V

and VCP, VLDO and VA to 1.8 V.

J48, J53, J52, J74, J7 and

J11 should be shunted.

Set Board Power setting to USB.

Left pins on J109 and

J104 should be

shunted.

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

J40.

Monitor analog output either via HP or Line Channel

RCA phono connectors or HP stereo jack.

*Select which output channel will be used through

“CODEC configuration” tab in software

Provide Analog

Inputs to board.

*Select which input

channel will be used

through “CODEC

configuration” tab in

software

Connect USB to board.

Open Flex GUI software

on PC and load quick

setup script.

Set desired jumper

settings for J12, J4,

J2, J3.

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 37 38

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