Audio Header; Table 21 X15 Jack Pinout Description; Table 22 X64 Pinout Description - Congatec SMARC conga-SMC1 User Manual

Table 21 X15 Jack Pinout Description
Pin Jack Signal
1 Tip OUT_L
2 First Ring OUT_R
3 Second Ring A_GND
3 Sleeve MIC
Connector Type
X15: 3.5 mm TRRS audio plug
4.10.2

Audio Header

The conga-SMC1 provides digital MIC and LINE-OUT signals on internal audio header X64.
Table 22 X64 Pinout Description
Pin Signal
1 HDA_I2S_FRONT_R
2 HDA_I2S_FRONT_L
3 A_GND
4 N.C/HDA_FRONT_JD For I2S (PN: 020750): Not connected
5 +5V
6 VCC
7 DMIC_DATA
8 GND
9 DMIC_CLK
Connector Type
X64: 9-pin, 1.25 mm pitch picoblade header (Molex 0533980971)
Possible Mating Connector: Molex 0510210900
Copyright © 2020 congatec AG
Description
Left audio out
Right audio out
Analog ground
Microphone input
Description
Analog front - right channel
Analog front - left channel
Analog ground (return path for analog front)
For HDA (PN: 020751): Jack detection for analog front output
5 V power supply (protected by 500 mA resetable fuse)
3.3 V power supply for HDA DMIC or 1.8 V power supply for I2S DMIC
(protected by 500 mA resetable fuse)
Serial data from digital MIC
For I2S (PN: 020750): 1.8 V level
For HDA (PN: 020751): 3.3 V level
Ground reference for DMIC
Digital MIC serial clock
For I2S (PN: 020750): 1.8 V level
For HDA (PN: 020751): 3.3 V level
X15
SMC1m10
Plug
Tip
1st Ring
2nd Ring
Sleeve
X64
38/50