K/M:
Signal Name
Pin
Signal Name
GND
1
2
3.3V
KEY_COL2
3
4
KEY_ROW2
KEY_COL7
5
6
KEY_ROW7
KEY_COL6
7
8
KEY_ROW6
2.4.6 Audio (AUDIO, Line-out, MIC-in)
EMB-4500 adopts SGTL5000-XNAA3 audio controller chip. The green one is the audio output
interface (Line-out). The pink one is Mic-in.
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