Standard Hardware References; Audio Io Jacks - ADLINK Technology LEC-BASE MINI Technical Reference

2.2

Standard Hardware References

This section further describes the supported features of the LEC-BASE MINI standard, on-board
hardware.
2.2.1

Audio IO Jacks

The LEC-BASE MINI provides two standard audio jacks for HD (CN21) and I2S (CN56) audio.
Two audio codecs support these two interfaces. Figure 2-4 depicts the three lines of the audio
jacks: Line In (1 - Blue), Line Out (2 - Green), and MIC In (3 - Pink). Figure 2-5 presents the
functional block diagram of I2S signals and hardware on the carrier.
I2S0
M XM 3
I2S1
I2S2/
H DA
Hardware
1
2
3
Figure 2-4: Stereo Jack Configuration
AIC3106
Audio Codec
(U51)
SGTL5000
I2S0
Audio Codec
(U49)
I2S1
ALC886
H DA Audio Codec
(U22)
Figure 2-5: I2S/HDA Block Diagram
Line in, Line out, M ic
Line in, Line out, M ic
LEC-BASE MINI
I2S
Audio Stack
(CN 56)
Audio H eader
(CN 44)
H DA Audio
Stack
(CN 21)
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