Serial Port Select Jumpers (Jp3,Jp4) - Renesas M3A-HS49 User Manual

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3.2.3 Serial Port Select Jumpers (JP3,JP4)

The JP3 and JP4 allow the connection for the Serial port (TXD1 and RXD1) in the SH7149 to be selected.
Figure 3.2.4 shows the Serial port select jumper (JP3, JP4) assignment.
Table 3.2.3 and Table 3.2.4 list the jumper setting for selecting Serial port (JP3, JP4).
Jumper Setting
JP3
TXD1 SEL
: Initial Setting
Jumper Setting
JP4
RXD1 SEL
: Initial Setting
Note : Do not change jumper settings while the operation of M3A-HS49. Ensure to turn off the power for the
M3A-HS49 before changing jumper settings.
Rev.1.0 Dec 15, 2006
REJ10J0917-0100
Top view of the
Component side
Board
edge
Figure 3.2.4 Serial Port Select Jumper (JP3, JP4) Assignment
Table 3.2.3 Jumper Setting for Selecting Serial Port (JP3)
1 - 2 The TXD1 pin of SH7149 is connected with Serial port connector (J3).
2 - 3 The TXD1 pin of SH7149 is connected with extension connector (J14).
Table 3.2.4 Jumper Setting for Selecting Serial Port (JP4)
1 - 2 The RXD1 pin of SH7149 is connected with Serial port connector (J3).
2 - 3 The RXD1 pin of SH7149 is connected with extension connector (J14).
3.2.3 Serial Port Select Jumpers (JP3,JP4)
Board
edge
3 3
1 1
Function
Function
Operational Specifications
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