EVK-GT8230 User Manual Page 13 of 22
2.7.1
Audio1
The handle socket JA1 on the developer board is the first channel audio interface.
Jumper Switch
Description
JA6
JA6(5-6pin)
On/off
，
connect to MIC+ of the headset
JA6(7-8pin)
On/off
，
connect to MIC- of the headset
JA6(9-10pin)
On/off, connect to EAR- of the headset
JA6(11-12pin)
On/off, connect to EAR+ of the headset
As shown in this picture:
Figure 2-8 Handle Socket JA1
2.7.2
Audio2
The handle socket JA4 on the developer board is the second channel audio interface.
Jumper Switch
Description
JA4
JA4(1-2pin)
On/off
，
connect to AUXI- of the handle
JA4(3-4pin)
On/off
，
connect to AUXI+ of the handle
JA4(13-14pin)
On/off
，
connect to AUXO+ of the handle
JA4(15-16pin)
On/off
，
connect to AUXO- of the handle
As shown in this picture:
Figure 2-9 Handle Socket JA4