IEI Integration NANO-PV-D4251_N4551_D5251 - Manual (Page 30)

NANO-PV-D4251/N4551/D5251 EPIC SBC
Page 17
3.2.1 Audio Connector
CN Label: AUDIO1
CN Type: 10-pin header (2x5)
CN Location: See Figure 3-2
CN Pinouts: See Table 3-3
The audio connector is connected to external audio devices including speakers and
microphones for the input and output of audio signals to and from the system.
Figure 3-2: Audio Connector Location
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 LFRONT-R 2 LLINE-R
3 GND 4 GND
5 LFRONT-L 6 LLINE-L
7 GND 8 GND
9 LMIC1-CONN-R 10 LMIC1-CONN-L
Table 3-3: Audio Connector Pinouts
3.2.2 Battery Connector
CN Label: BAT1
CN Type: 2-pin wafer (1x2)
CN Location: See Figure 3-3
CN Pinouts: See Table 3-4
This is connected to the system battery. The battery provides power to the system clock to
retain the time when power is turned off.