Kontron mITX-BDW-U, User Manual

Page: 31 / 105

mITX-BDW-U – User Guide, Rev. 1.6
www.kontron.com // 31
6.4. Audio Jack Connectors (J1, J2)
The on-board audio circuit implements up to six Channel High Definition Audio via the SPDIF-Out connector, see
SPDIF-Out (J14) description.
Interface is based on UAA (Universal Audio Architecture), featuring five 24 bit stereo DACs and three 20 bit stereo
ADCs. The following Audio connectors are available in the I/O Area.
J2, Line 1 and J1, Mic1
Mating Audio Jack ( Example)
Tip
Ring
Sleeve
Audio Speakers, Line-in and Microphone are available in a stacked Audio Jack Connector:
Pin Designation Signal Type Note
Tip LINE1-IN-L IA 1.0 V
RMS,
30 kΩ
Ring LINE1-IN-R IA 1.0 V
RMS
, 30 kΩ
Sleeve
GND PWR
Pin Designation Signal Type Note
Tip
OUT-L OA For headphone, max 1.6 V
RMS
Ring OUT-R OA For headphone, max 1.6 V
RMS
Sleeve
GND PWR
Signal Description Note
LINE1-IN-L Line In signal Left
LINE1-IN-R Line In signal Right
OUT-L Speaker Out Left Shared with J37 pin header connector
OUT-R Speaker Out Right Shared with J37 pin header connector
6.5. DC Power - Jack Connector -19 V –(J13)
The mITX-BDW-U can be supplied from either an external 19 V power adapter (J13) or an external 19 V power adapter.
The DC power Jack connector (Ext19 V) must be used to supply the board with +19 V+/-10 %.
The external 19 V power connector has Vin at the center pin and mates with a 5.5 mm diameter DC power jack with
2.5 mm diameter pin hole. The maximum allowed current is 5A.
DC Power Jack 19 V-Power Connector Pinout
Pin Signal Type Note
1 +19 V PWR 1
2 GND PWR 1
1) Hot Plugging power supply is not supported. Hot Plugging might damage the
board.When connecting to the motherboard, turn off the mains supply etc. to make
sure all the power lines (+12 V or +19 V) are turned off.