CAPA322 3.5” Board
Board and Pin Assignments
17
2.4.15
COM Wafer Connectors (COM1~COM4)
These are 9-pin (pitch=1.25mm) connectors, compliant with Molex 53047-0910. Use
the matching cable 59380880250E is strongly recommended.
-
COM1 and COM2 support RS-232/422/485 by BIOS selecting (see section 4.4).
-
COM3 and COM4 support RS-232 only
For COM1 and COM2:
For COM3 and COM4:
Pin
RS-232
RS-422
RS-485
1
DCD
TX-
Data-
2
DSR
No use
No use
3
RXD
TX+
Data+
4
RTS
No use
No use
5
TXD
RX+
No use
6
CTS
No use
No use
7
DTR
RX-
No use
8
RI
No use
No use
9
GND
No use
No use
Pin Signal
Pin Signal
1
DCD
2
DSR
3
RXD
4
RTS
5
TXD
6
CTS
7
DTR
8
RI
9
GND
1
9
1
9
Содержание CAPA322
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Страница 42: ...CAPA322 3 5 Board 32 Hardware Description 3 6 Memory Map The memory mapping list is shown as follows...
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