Advantech RSB-4680, User Manual

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11 RSB-4680 User Manual
Chapter 2
H
/W Installation
2.2.2 Connector Settings
2.2.2.1 RTC Battery Connector (BAT)
RSB-4680 supports a lithium 3V/210mAH CR2032 battery with wire via battery con-
nector.
2.2.2.2 Audio (CN2)
RSB-4680 supports Line-out stereo speakers, MIC in and speaker out. Earphone
can be connected to the lineout pin header, and microphone can be connected to the
MIC in pin header. It also supports mono speaker. (2.8W 4
Ω or 1.5W 8 Ω )
The detailed pin-define as below.
Audio Connector
Pin Pin Name
1 COIN_RTC
2 GND
Pin Pin Name Pin Pin Name
1 Lineout R+ (AMP_R+) 2 Lineout L+ (AMP_R-)
3 AMP_R- 4 AMP_L-
5 AMP_AGND 6 GND_AUDIO
7 MIC_IN1_P 8 MIC_IN1_N
9 MIC_IN3_P 10 MIC_IN3_N
11 SPEAKER_P 12 SPEAKER_N