UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
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This parameter will not be saved.
12.8. AT+QDAC Digital Audio Configure
AT+QDAC is used to configure the digital audio interface. While
<io>
=1, you can define the PCM
interface by themselves; while
<io>
=2, and the external codec chip linked with PCM interface is the
NAU8814model through the I2C, the module can be used directly and set by the default configurations.
while
<io>
=3, and the external codec chip linked with PCM interface is the ALC5616 model through the
I2C,the module can be used directly and set by the default configurations. while
<io>
=4, and the external
codec chip linked with PCM interface is the MAX9860 model through the I2C,the module can be used
directly and set by the default configurations.
Parameter
AT+QDAC Digital Audio Configure
Test Command
AT+QDAC=?
Response
+QDAC: (1-4),(0,1),(0-8),(0,2),(0,1),(0,1)
OK
Read Command
AT+QDAC?
Response
+QDAC:
<io>[,<mode>,<sample_rate>,<data_length>,<channel_mo
de>,<data_format>]
OK
Write Command
AT+QDAC=<io>[,<mode>,<sample_ra
te>,<data_length>,<channel_mode>,<
data_format>]
Response
OK
ERROR
Maximum Response Time
300ms
<io>
1
Digital PCM output (Customer defined)
2
Analog output (For our default audio codec NAU8814)
3
Analog output (For our default audio codec ALC5616)
4 Analog output (for our default audio codec max9860)
<mode>
0
Master mode
1
Slave mode
NOTE
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