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4.9
Audio Interfaces
The conga-HPC/EVAL-Client features the following audio interfaces:
• Audio Jack (4-pole) on connector X49
• Connector X50 for an external I²S or SoundWire
®
codec
• DMIC signals on connector X48
4.9.1
Audio Jack (4-Pole)
The conga-HPC/EVAL-Client features a 4-pole audio jack (X49) for a 3.5 mm CTIA standard plug. This audio jack is connected to
an onboard
SoundWire
®
codec (Realtek ALC711).
Table 35 X49 - Audio Jack Pinout
Pin Jack
Signal
Description
1
Tip
LINE_L
Line-OUT - left channel
2
Ring 1
LINE_R
Line-OUT - right channel
3
Ring 2
A_GND
Analog ground
4
Sleeve
MIC
Microphone
Connector Type
X49: 3.5 mm, 4-pole CTIA standard plug
4.9.2
I²S/SoundWire
®
The conga-HPC/EVAL-Client features header X50 to connect a card with an external I²S or SoundWire
®
codec.
Table 36 X50 - I²S/SoundWire Header Pinout
Pin Signal
Pin Signal
1
GND
2
I2S_LRCLK/SNDW_CLK3
3
NC
4
I2S_CLK/SNDW_CLK2
5
NC
6
I2S_DIN/SNDW_DAT2
7
PLTRST#
8
I2S_DOUT/SNDW_DAT3
Audio Jack Plug
Ring 1
Ring 2
Sleeve
Tip
X50
10
8
9
7
6
5
4
3
2
1
14
12
13
11