Intel Thin Mini-ITX - Digital Microphone Header

Thin Mini-ITX Internal Electrical Interfaces
Thin Mini-ITX Based PC System Design Guide 23
Table 2-7. Internal Stereo Speakers Header Pin-Out
Pin
Signal Name
Description
1
Front_L-
Analog front left (differential negative)
2
Front_L+
Analog front left (differential positive)
3
Front_R+
Analog front right (differential positive)
4
Front_R-
Analog front right (differential negative)
2.3.3 Digital Microphone
A digital microphone (DMIC) can be supported through the below pinout and header.
DMIC MB Header: 1x5, 2.54mm pitch, keyed at pin 5. The header and the mating
DMIC cable connector shall be yellow.
Figure 2-7. DMIC MB Header
Table 2-8. DMIC Header Pin-Out
Pin
Signal Name
1
+3.3V
2
DMIC_DATA
3
GND
4
DMIC_CLK
5
Key (no pin)