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The GPIO will be set to a value of 1 (high at 3.3V).
3.15 Audio
The board provides two audio connectors for input and output. Line-in is on top and Headphones is on bottom
of the audio connector.
Additionally, an expansion connector for I2S audio is available on the bottom row of the board:
v1.6
Page 16
Fig. 3.16: Audio input/output port
3V3
GND
I2S_CLK
I2S_SDO
I2S_DAT
Fig. 3.17: Connecting to the audio expansion connector
3V3 LDO
I2S_RST#
I2S_WS
I2S_SDI
I2C_CLK
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