UMTS/HSPA Module Series
WCDMA UGxx Audio Design Note
WCDMA_UGxx_Audio_Design_Note Confidential / Released 27 / 56
Parameter
1. Configuration of
<io>
will be saved to NV immediately by default.
2. The module provides clock, and clock depends on
<sample_rate>
and
<data_length>
3. When you select ALC5616, NAU8814 or MAX9860, please do not input other parameters, the PCM
interface is set by the default configurations.
Example
AT+QDAC=?
//Query the range.
+QDAC: (1-4),(0,1),(0,8),(0-2),(0,1),(0,1)
OK
AT+QDAC?
//Query current interface configuration.
+QDAC: 1,0,0,2,0,0
OK
AT+QDAC=1,0,0,2,0,0
//Set PCM interface to master mode, PCM format.
OK
AT+QDAC=2
//Select NAU8814.
<io>
1
Digital PCM output (customer defined)
2
Analog output (for default audio codec NAU8814)
3
Analog output (for default audio codec ALC5616)
4
Analog output (for default audio codec MAX9860)
<mode>
0
Master mode
1
Slave mode
<sample_rate>
0
8K
1
11K
2
12K
3
16k
4
22K
5
24K
6
32K
7
44K
8
48K
<data_length>
0
16-bit
2
32-bit
<channel_mode>
0
Mono
1
Stereo
<data_format>
0
PCM
1
I2S
NOTES
Quectel
Confidential
