Datasheet
RSKRX210 6. Configuration
R20UT0302EG0200 Rev. 2.00 Page 20 of 41
Jul 09, 2012
6.5 RS232 Serial Port Configuration
Table 6-4 below details the function of the option links associated with serial port configuration.
Reference Link Fitted Configuration Link Removed Configuration Related Ref.
R54 Connects the RS232 IC (U9, pin 9) to
the serial port (pin 7).
Disconnects the RS232 IC (U9,
pin 9) from the serial port (pin 7).
R55
R55 Connects the RS232 IC (U9, pin 8) to
the serial port (pin 8).
Disconnects the RS232 IC (U9,
pin 8) from the serial port (pin 8).
R54
R60 Connects TXD1 (MCU, pin 22) to the
RS232 IC (U9, pin 13).
Disconnects TXD1 (MCU, pin 22)
from the RS232 IC (U9, pin 13).
R150, R256,
R280, R378
R64 Connects TXD9 (MCU, pin 53) to the
RS232 IC (U9, pin 12).
Disconnects TXD9 (MCU, pin 53) to
the RS232 IC (U9, pin 12).
R81, R331
R70 Connects RXD1 (MCU, pin 20) to the
RS232 IC (U9, pin 15).
Disconnects RXD1 (MCU, pin 22)
from the RS232 IC (U9, pin 13).
R151, R257,
R282, R361
R78 Connects the RS232 IC (U9, pin 20) to
GROUND.
Dis
connects the RS232 IC (U9,
pin 20) from GROUND.
R82
R81 Connects RXD9 (MCU, pin 54) to the
RS232 IC (U9, pin 10).
Disconnects RXD9 (MCU, pin 54) to
the RS232 IC (U9, pin 10).
R64, R332
R82 Connects SHDNn (U9, pin
20) to
Board_VCC.
Disconnects SHDNn (U9, pin 20)
from Board_VCC.
R78
R150 Connects TXD0 (MCU, pin 28) to the
RS232 IC (U9, pin 13).
Disconnects TXD0 (MCU, pin 28)
from the RS232 IC (U9, pin 13).
R60, R256,
R280, R378
R151 Connects RXD0 (MCU, pin 27) to the
RS232 IC (U9, pin 15) via R365.
Disconnects RXD0 (MCU, pin 27)
from the RS232 IC (U9, pin 15).
R70, R257,
R282, R361
R255
Connects the serial port connector
shield to ground.
Disconnects the serial port
connector shield from ground.
-
R256 Connects RS232TX (JA6, pin 5) to the
RS232 IC (U9, pin 13).
Disconnects RS232TX (JA6, pin 5)
from the RS232 IC (U9, pin 13).
R60, R150,
R280, R378
R257 Connects RS232RX (JA6, pin 6) to the
RS232 IC (U9, pin 15).
Disconnects RS232RX (JA6, pin 6)
from the RS232 IC (U9, pin 15).
R70, R151,
R282, R361
Table 6-4: RS232 Serial Port Option Links