7.8
CN16 audio green jack - line out (Footprint only)
A 3.5 mm stereo audio green jack output CN16 is available on the STM32L4P5G-DK board to support
headphones.
Figure 12.
CN16 stereo headset with a microphone jack
3
2
6
4
5
1
Table 14.
CN16 audio jack connector pinout (Onboard)
Pin number
Description
Stereo headset with microphone pinning
3
GND
GND
4
OUT_Right
SPK_R (33 Ω
typical)
6
OUT_Left
SPK_L (33 Ω
typical)
1
NC
-
2
MIC_IN
MIC
5
NC
-
7.9
CN17 MFX programming connector
The CN17 connector is only used for embedded MFX (Multi-Function eXpander) programming during the board
manufacturing. It is not populated by default and not for the end-user.
UM2651
CN16 audio green jack - line out (Footprint only)
UM2651
-
Rev 2
page 22/37