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MANO500 Mini ITX Motherboard
14
Board and Pin Assignments
2.4.5
COM Connector (CN7)
The CN7 is a double-deck DB-9 connector for COM1 and COM2 serial port interfaces
where only COM1 is selectable for RS-232/422/485 mode by jumper settings (see
section 2.3.3). The pin assignments of RS-232/422/485 are listed in table below.
COM1:
COM1
COM2
Note
[*]
: Pin 1 of COM1 can be DCD/+5V and pin 9 of COM1 can be RI/+12V by
selecting JP6 (see section 2.3.4).
COM2:
2.4.6
HDMI Connector (CN8)
The HDMI (High-Definition Multimedia Interface) is a compact digital interface which is
capable of transmitting high-definition video and high-resolution audio over a single
cable.
Pin RS-232
RS-422
RS-485
1
DCD#
[*]
TX-
485-
2
RXD
TX+
485+
3
TXD
RX+
N/C
4
DTR#
RX-
N/C
5
GND
GND
GND
6
DSR#
N/C
N/C
7
RTS#
N/C
N/C
8
CTS#
N/C
N/C
9
RI#
[*]
N/C
N/C
Pin
Signal
Pin
Signal
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
Pin Signal
Pin
Signal
1
HDMI OU
2
GND
3
HDMI OUT_DATA2-
4
HDMI OU
5
GND
6
HDMI OUT_DATA1-
7
HDMI OU
8
GND
9
HDMI OUT_DATA0-
10
HDMI OU
11
GND
12
HDMI OUT_Clock-
13
N/C
14
GND
15
HDMI OUT_SCL
16
HDMI OUT_SDA
17
GND
18
+5V
19
HDMI_HTPLG
Summary of Contents for MANO500 Series
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Page 10: ...MANO500 Mini ITX Motherboard 4 Introduction 1 4 Block Diagram ...
Page 12: ...MANO500 Mini ITX Motherboard 6 Board and Pin Assignments ...
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