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5.7.2
Internal Audio
The conga-IC370 provides the stereo speaker, digital microphone, SPDIF and front panel HD audio connectors internally.
5.7.2.1
Stereo Speaker Header
The conga-IC370 provides stereo speaker header X38. Each audio channel offers a maximum wattage of 6 W into 4 ohms. You can connect 4
ohm or 8 ohm stereo speakers to X38.
Table 33 X38 Pinout Description
Pin Signal
Description
1
FRONT_L-
Analog front left (negative terminal)
2
Analog front left (positive terminal)
3
Analog front right (positive terminal)
4
FRONT_R-
Analog front right (negative terminal)
Connector Type
X38: 2 mm, 4-pin crimp style connector
Possible Mating connector: JST PHR-4 or Chyao Shiunn JS-1124-04
5.7.2.2
Digital Microphone Header
The conga-IC370 provides a digital microphone (DMIC) header X35. The maximum power budget is 500 mA.
Table 34 X35 Pinout Description
Pin Signal
Description
1
+3.3V
3.3 V supply
2
DMIC_DATA
Serial data from digital MIC (3.3 V signal level)
3
GND
Ground
4
DMIC_CLK
Digital MIC serial clock (3.3 V signal level)
5
KEY
No pin
6
N.C
Not connected
Connector Type
X35: 2.54 mm, 1x 6-pin header (without pin 5)
X38
X35
Pin 1
No Pin
