Kontron mITX-BDW-U, User Manual

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mITX-BDW-U – User Guide, Rev. 1.6
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7.9. Front Panel Connector (FRONTPNL) (J23)
Front panel connector Pinout
Note Pull
U/D
Ioh/Iol Type Signal PIN Signal Type Ioh/
Iol Pull
U/D Note
PWR USB4_5 V 1 2 USB5_5 V PWR
USB4- 3 4 USB5-
USB4+ 5 6 USB5+
PWR GND 7 8 GND PWR
NC NC 9 10 LINE2-L
PWR +5 V 11 12 +5 V PWR
25/25 mA O SATA_LED# 13 14 SUS_LED O 7 mA
PWR GND 15 16 PWRBTN_I# I 1.1 K
Ω
4.7 K
Ω
I RSTIN# 17 18 GND PWR
PWR SB3V3 19 20 LINE2-R
PWR A_GND 21 22 A_GND PWR
AI MIC2-L 23 24 MIC2-R AI
Signal Description
USB4_5 V and USB5_5 V 5 V supply for external devices. SB5V is supplied during power down to allow wakeup on
USB device activity. Protected by active power switch 1A fuse for each USB ports.
USB4+/USB4- Universal Serial Bus Port 8 Differentials: Bus Data/Address/Command Bus.
USB5+/USB5- Universal Serial Bus Port 11 Differentials: Bus Data/Address/Command Bus.
+5 V Maximum load per pin is 1 A (using IDC connector) or 2 A (using crimp terminals).
SATA_LED# SATA Activity LED (active low signal). 3V3 output when passive.
SUS_LED Suspend Mode LED (active high signal). Output 3.3 V via 470
Ω
.
PWRBTN_IN# Power Button In. Toggle this signal low to start the ATX / BTX PSU and boot the board.
RSTIN# Reset Input. When pulled low for a minimum 16ms, the reset process will be initiated. The
reset process continues even though the Reset Input is kept low.
LINE2 Line2 is second stereo Line signals
MIC2 MIC2 is second stereo microphone input.
SB3V3 Standby 3.3 V voltage
AGND Analogue Ground for Audio
Available cable kit:
PN 821042 Cable Front Panel Open-End, 300 mm