User's Manual

Table Of Contents
6.15.4 Audio speaker out
The codec stereo speaker output is connected to a green 3.5 mm Speaker_out jack MB1262/CN4.
Figure 13. Audio jack connector MB1262/CN4
Table 23. Audio jack connector pinout
MB1262/CN4
Pin Board function
2 GND
3 GND
4 OUT_RIGHT
5 N/A
6 OUT_LEFT
7 N/A
6.15.5 SPDIF input and output
An RCA (white) connector MB1262/CN1 followed by an amplifier/filter stage is connected to the
STM32MP157F
AA1 SPDIF RX_IN.
The STM32MP157FAA1 SAI4_SDA port provides SPDIF_TX data to a RCA (yellow) connector MB1262/CN2.
UM2648
Audio
UM2648 - Rev 1
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