Quectel RG50-Q Series - Page 23

5G/LTE-A Module Series
5G EVB User Guide
5G_EVB_User_Guide 22 / 38
Codecs can be selected according to specific application demands, the following figures show the
connection between digital audio codec TE-A and the EVB.
Figure 11: Connection Between Codec TE-A and the EVB
S2801 codec configuration switch
MODEM: codec connected to the module
AP: codec connected to the AP
Figure 12: S2801 Switch
Table 6: Codec TE-A Configuration Switch
SLIC_SEL1
SLIC_SEL2
AP
MODEM
Low
Low
NC
I2S/SPI/RST/INT
High
High
I2S/SPI/RST/INT
NC
Low
High
SPI/RST/INT
I2S
High
Low
I2S
SPI/RST/INT