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2 Peripherals Introduction
2.1 Power (P1)
The
DC JACK is
5.5 x 2.1mm, 3-pin plug Type. Typical 12V/3A DC adapter.
Pin
Signal
Description
Pin
Signal
Description
1
VCC12V_DCIN
Main power supply.
DC 12V power in
2
GND
Ground
3
GND
Ground
2.2 Audio I/O
Headphone (J7, 3.5mm jack)
The EM3566 adopts audio codec ES8388 to provide stereo audio output/input.
Feature
⚫
Low power
⚫
Integrated ADC and DAC
⚫
IIS transfer audio data
⚫
Stereo output, support recording
Pin Signal
Description
Pin Signal
Description
1
GND
Ground
2
HP_RO
Headphone amplifier
output _Right channel
3
HP_LO
Headphone amplifier
output _Left channel
4
PHE_DET
Headphone Detect
5
MIC2P
Single-end input for microphone
3
1
4
2
5
