American Audio COMMANDER PLUS - REV 1-2 Betriebsanweisung Seite 18

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UG-196-02-C
196-02-C - DA7322 Audio Codec with DSP
User guide UG-196-02-C
Revision 0.6
15-September-2014
CFR0011-121-00 Rev 1
18 of 21
© 2014 Dialog Semiconductor GmbH
I2C configuration 7.2.2
When using I2C mode, ensure jumpers J23 and J24 are fitted on the EVB. On the digital IO board
ensure jumpers J14, 17-18 and 19-20 fitted and jumpers J14, 7-8, 9-10 and 11-12 are removed when
in I2C mode is required. See
Table 2 for I2C jumper configuration selection.
The codec slave address for DA7322 is 0x34 and this is the 8bit value (34h for Write, 35h for Read).
SPI configuration 7.2.3
When using SPI mode, ensure jumpers J23 and J24 are removed on the EVB. On the digital IO
board, ensure jumper links on J14, 17-18 and 19-20 are removed and jumpers J14, 7-8, 9-10 and 11-
12 are fitted when SPI mode is required. See
Table 2 for SPI jumper configuration selection.
When reading/writing to registers in SPI mode, ensure the correct page mode is selected for the
paging area selected (register base address 0x00, 0x80 see DA7322 data sheet).
Table 2: I2C/SPI jumper configuration information
I2C mode selection, Jumper selection
SPI mode selection, Jumper selection
Digital IO board
Evaluation board
Digital IO board
Evaluation board
J14 - Jumper link 17-18
Fit J23
J14 - Remove link 17-18
Remove J23
J14 - Jumper link 19-20
Fit J24
J14 - Remove link 19-20
Remove J24
J14 - Remove link 7-8
J14 - Jumper link 7-8
J14 - Remove link 9-10
J14 - Jumper link 9-10
J14 - Remove link 11-12
J14 - Jumper link 11-12
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