MANO300 Mini ITX Motherboard
Board and Pin Assignments
17
2.4.15
GPIO Header (CN18)
This header (5x2-pin p=2.54mm) is for digital I/O interface.
Note
[*]
:
“H” or “L” means the default voltage is High or Low level, and GPIO
output is 5V.
2.4.16
COM Connector (CN19)
This connector is for COM1 and COM2 serial port interfaces which are selectable for
RS-232/422/485 mode. The default setting is RS232. If you need COM1 to support
RS-422 or RS-485, please refer to section 2.3.5. If you need COM2 to support RS-422
or RS-485, please refer to section 2.3.6. The pin assignments of RS-232/422/485 are
listed in table below.
COM1
COM2
Pin Signal
Pin Signal
1
SIO_GPO74
(0xA06, Bit4, H)
[*]
2
SIO_GPI70
(0xA06, Bit0)
3
SIO_GPO75
(0xA06, Bit5, H)
[*]
4
SIO_GPI71
(0xA06, Bit1)
5
SIO_GPO76
(0xA06, Bit6, H)
[*]
6
SIO_GPI72
(0xA06, Bit2)
7
SIO_GPO77
(0xA06, Bit7, H)
[*]
8
SIO_GPI73
(0xA06, Bit3)
9
GND
10
GND
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
Содержание MANO300 Series
Страница 1: ...MANO300 Series Intel Braswell SoC CPU Mini ITX Motherboard User s Manual ...
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Страница 10: ...MANO300 Mini ITX Motherboard 4 Introduction 1 4 Block Diagram ...
Страница 11: ...MANO300 Mini ITX Motherboard Board and Pin Assignments 5 Chapter 2 Board and Pin Assignments 2 1 Board Layout ...
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Страница 32: ...MANO300 Mini ITX Motherboard 26 Hardware Description This page is intentionally left blank ...