Hi
Is the design of the schematic correct? When 927 of I2S and GPIO are not used, are these pin directly connected to the ground for EMC?
The PIN of the specification defines that these feet are pull down.
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Hi
Is the design of the schematic correct? When 927 of I2S and GPIO are not used, are these pin directly connected to the ground for EMC?
The PIN of the specification defines that these feet are pull down.
Jerry,
you can pull down the unused pins with one external resistors to ground.
best regards,
Steven