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KTQ77/Flex Users Guide
KTD-N0848-B Page 46
6.9 Front Panel Connector (FRONTPNL) (J36)
Note Pull
U/D
Ioh/
Iol Type
Signal
PIN
Signal
Type Ioh/
Iol
Pull
U/D Note
-
-
PWR USB6/7_5V
1 2
USB6/7_5V PWR -
-
-
-
USB6-
3 4
USB7-
-
-
-
-
USB6+
5 6
USB7+
-
-
-
-
PWR
GND
7 8
GND
PWR -
-
-
-
NC
NC
9 10
LINE2-L
-
-
-
-
PWR
+5V
11 12
+5V
PWR -
-
- /7mA O SATA_LED#
13 14
SUS_LED
O 7mA -
-
-
PWR
GND
15 16
PWRBTN_IN#
I
1K1
4K7
-
I
RSTIN#
17 18
GND
PWR -
-
-
-
PWR
SB3V3
19 20
LINE2-R
-
-
-
-
PWR
AGND
21 22
AGND
PWR -
-
-
-
AI
MIC2-L
23 24
MIC2-R
AI
-
-
Signal
Description
USB10/11_5V
5V supply for external devices. SB5V is supplied during power down to allow
wakeup on USB device activity. Protected by resettable 1.1A fuse covering both USB
ports.
USB1+
USB1-
Universal Serial Bus Port 1 Differentials: Bus Data/Address/Command Bus.
USB3+
USB3-
Universal Serial Bus Port 3 Differentials: Bus Data/Address/Command Bus.
+5V
Maximum load is 1A or 2A per pin if using IDC connector flat cable or crimp terminals
respectively.
SATA_LED#
SATA Activity LED, active low signal (via
470Ω
). Recommended is using Low Power
LED like HLMP4700 with anode connected to +5V (pin 11). When red color LED is
used, possible weak glowing could be noticed when the LED supposed to be off. In
order to eliminate this problem a resistor 3K3 can be connected in parallel with the
LED or a diode can be connected in series with the LED.
SUS_LED
Suspend Mode LED (active high signal). Output 3.3V 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 3.3V 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.
Internal Connectors