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ASROCK H81TM-ITX Handbuch Seite 26

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Consumer Infrared
Module Header
(7-pin CIR1)
(see p.1, No. 4)
Serial Port Header
(9-pin COM1)
(see p.1, No. 14)
LPC Debug Header
(13-pin LPC1)
(see p.1, No. 24)
Backlight Control
Header
(8-pin BLT_VOL1)
(see p.1, No. 13)
Digital MIC Header
(5-pin DMIC1)
(see p.1, No. 17)
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This header can be used to
CIR input
+5VA
Learn-in
connect the remote controller
LED
receiver.
1
+5VA
IRTX
GND
NC
This COM1 header
RI
RTS
CTS
supports a serial port
GND
DSR
TXD
DTR
module.
DCD
RXD
1
PIN Signal Name PIN Signal Name
14
+3V
12
+3V
10
GND
1
8
LAD3
6
LAD1
4
LFRAME#
2
GND
1: BKLT_EN
1
2: BKLT_PWM
3: BKLT_PWR
4: BKLT_PWR
5: GND
6: GND
7: Brightness_Up
8: Brightness_Down
1: +5V
2: No pin
2: SPDIF_OUT/DMIC_
1
3: GND
4: DMIC_DATA
5: +3.3V
13
No pin
11
+3V
9
GND
7
LAD2
5
LAD0
3
RESET#
1
CLK
CLK

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