Embedian, Inc.
57
SBC-SMART-MEN User’s Manual Document Revision v.1.0
3.2.3.4. P2 Header: P2
The P2 header of
SBC-SMART-MEN
defines
RS422/485, USB OTG,
Audio Mic. Input
and
Headset Output, I2C_LCD, CAN Bus, SPI0,
and
10
GPIOs
. The connector type is also
20*2P Box Header 180D MALE
2.54mm
.
P2: Location on Board, B1
P2 Connector (2 x20
2.54mm box header 180
dip)
Sitara AM335x CPU
Type
Description
Pin#
Pin
Name
Ball
Mode
Signal
Name
Audio
1
HP_OUT_R
From TLV320AIC3016 Audio
Codec
AO
Right
channel
of
headset
speaker
2
HP_OUT_RR
AO
HPRCOM
Signal
of
AIC3106
3
AGND
AGND
Analog
Ground
4
HP_OUT_L
Left
channel
of
headset
speaker
out
5
HP_OUT_LR
HPLCOM
Signal
of
AIC3106
6
AUD_33
AI
Analogue
VDD_IO
7
MIC_R
AI
Right channel of
microphone input
8
MIC_L
AI
Left channel of
microphone input
