HS-873P
User’s Manual
Digital Display
29
2.11 <Serial Port Jumper Setting >
The board supports one RS232 serial port and one jumper selectable RS232/422/485 serial
ports. The jumper JCSEL1 & JCSEL2 can let you configure the communicating modes for
COM2.
Connector:
CN_COM1
Type: 10-pin (5 x 2) 2.54mm x 2.54mm-pitch header for COM1
Pin
Description
Pin
Description
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
10
N/C
Connector:
CN_COM2
Type: 10-pin (5 x 2) 2.54mm x 2.54mm-pitch header for COM2
Pin
Description
Pin
Description
1
DCD/422TX-/485-
2
RXD/422TX+/485+
3
TXD/422RX+
4
DTR/422RX-
5
GND
6
DSR
7
RTS
8
CTS
9
RI
10
N/C
Setting RS-232, RS-422, RS-485 & IrDA:
Function
JCSEL1
JCSEL2
IrDA
RS-422
RS-485
RS-232
8
2
7
1
1
2
7
8
1
2
7
8
1
2
7
8
2
1
12
11
2
1
12
11
1
2
11
12
1
2
11
12
Содержание HS-873P
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Страница 9: ...HS 873P User s Manual Introduction Mechanical Drawing 9 1 3 Mechanical Drawing...
Страница 41: ...HS 873P User s Manual 41 Appendix C System Resources C 1 I O Port Address Map...
Страница 42: ...HS 873P User s Manual 42...
Страница 43: ...HS 873P User s Manual 43 C 2 Memory Address Map...
Страница 44: ...HS 873P User s Manual System Resources System IRQ Resources 44 C 3 System IRQ Resources...