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KTD-N0882-D
6.6 Audio Connectors
The on-board Audio circuit implements 7.1+2 Channel High Definition Audio with UAA (Universal Audio
Architecture), featuring five 24-bit stereo DACs and three 20-bit stereo ADCs.
The following Audio connectors are available as Internal connectors.
6.6.1 Line2 and Mic2
Line2 and Mic2 are accessible via Feature Connector, see Feature connector description.
6.7 Front Panel Connector (FRONT_PANEL)
Pull
Ioh/
Note
U/D
Iol
-
-
-
-
-
-
-
-
-
-
-
-
-
25/25mA
-
-
4K7
-
-
-
-
-
-
-
Signal
Description
5V supply for external devices.
USB10/11_5V
wakeup on USB device activity. Protected by resettable 1.1A fuse covering both
USB ports.
USB10+/USB10-
Universal Serial Bus Port 10 Differentials: Bus Data/Address/Command Bus.
USB11+/USB11-
Universal Serial Bus Port 11 Differentials: Bus Data/Address/Command Bus.
Maximum load is 1A or 2A per pin if using IDC connector flat cable or crimp
+5V
terminals respectively.
SATA_LED#
SATA Activity LED (active low signal). 3V3 output when passive.
SUS_LED
Suspend Mode LED (active high signal). Output 3.3V via 470Ω.
Power Button In. Toggle this signal low to start the ATX / BTX PSU and boot the
PWRBTN_IN#
board.
Reset Input. When pulled low for a minimum 16ms, the reset process will be
RSTIN#
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 3.3V voltage
AGND
Analogue Ground for Audio
Note: In order to meet the requirements of USB standard, the 5V input supply must be at least 5.00V.
Page 37
Type
Signal
PWR USB10/11_5V
1
USB10-
3
USB10+
5
PWR
GND
7
NC
NC
9 10
PWR
+5V
11 12
O
SATA_LED#
13 14
PWR
GND
15 16
I
RSTIN#
17 18
PWR
SB3V3
19 20
PWR
AGND
21 22
AI
MIC2-L
23 24
Internal Connectors
PIN
Signal
Type
2
USB10/11_5V PWR
4
USB11-
6
USB11+
8
GND
PWR
LINE2-L
+5V
PWR
SUS_LED
PWRBTN_IN#
GND
PWR
LINE2-R
AGND
PWR
MIC2-R
SB5V is supplied during powerdown to allow
KTQ87/mITX Users Guide
Ioh/
Pull
Note
Iol
U/D
-
-
-
-
-
-
-
-
-
-
-
-
O
7mA
-
I
1K1
-
-
-
-
-
-
AI
-
-
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