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The audio codec is set by an I
for write). The AD0 pin, connected to GND, gives the least-significant address bit. The address of the audio codec
is 0b1001010x: 0x94 to write and 0x95 to read.
7.6.5
Audio jack connector
Figure 8
shows the CN10 audio jack connector pinout.
Table 7
describes the CN10 audio jack connector pinout.
Pin
1
2
3
4
7.6.6
I/O restriction
SAI2 is shared between the audio codec and the GPIO expansion connector. By default, the audio codec is
available because of solder bridges SB13, SB14, SB15, and SB16.
7.7
USB Host
7.7.1
Description
The STM32MP157A-DK1 and STM32MP157C-DK2 Discovery kits provide four USB Host ports (dual-USB
sockets CN1 and CN5) through the use of the USB2514B-AEZC USB Hub. The USB2514B-AEZC has a full
power management for each USB port: no I/O is needed from the STM32MP157x.
UM2534 - Rev 1
2
C bus. The address is a 7 bit address plus one bit for read/write (high for read, low
Figure 8.
CN10 audio jack connector pinout
Table 7.
CN10 audio jack connector pinout
Pin name
Signal name
1
MIC_IN
2
GND
3
AOUTB
4
AOUTA
Codec pin
Function
MICIN1
Microphone IN
GND
GND
AOUTB
OUT_SPEAKER_RIGHT
AOUTA
OUT_SPEAKER_LEFT
UM2534
USB Host
page 14/47
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