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32176 Group
Starter Kit User’s Manual M3A-2152
REJ10B0224-0300/Rev.3.00 Jan. 2007 Page 50 of 82
Table 2.5 Channel Selection by a Rotary Switch
Rotary switch position SIO Selected channel
0 SIO0
1 SIO1
2 SIO2
3 SIO3
Table 2.6 Serial I/O Interface (Jumper)
Name Default Condition Description
{
Shorted
between 1–2
Connects P83/RXD0 to the extension connector (CON2)
J9
Shorted
between 2–3
Uses the RXD0 function in RS-232C
{
Shorted
between 1–2
Connects P86/RXD1 to the extension connector (CON2)
J10
Shorted
between 2–3
Uses the RXD1 function in RS-232C
{
Shorted
between 1–2
Connects P175/RXD2 to the extension connector (CON2)
J11
Shorted
between 2–3
Uses the RXD2 function in RS-232C
{
Shorted
between 1–2
Connects P75/RXD3 to the extension connector (CON1)
J12
Shorted
between 2–3
Uses the RXD3 function in RS-232C
Table 2.7 RS-232C Connector Pin Assignments
Connector Name Pin No Signal Name Description
1 DCD Unused
2 RXD Received data
3 TXD Transmitted data
4 DTR Connects to the DSR pin
5 SG Ground
6 DSR Connects to the DTR pin
7 RTS Connects to the CTS pin
8 CTS Connects to the RTS pin
CN5
9 RI Unused