Renesas M3A-HS25, User Manual

Page: 39 / 52

Operational Specifications
3.3.3 Serial Port Select Jumpers (JP3,JP4)
3
3.3.3 Serial Port Select Jumpers (JP3,JP4)
By setting the JP3 and JP4, the serial port of SH7125 connected to the serial port connector (J2) can be selected.
Figure 3.3.4 shows the Serial port select jumper assignment.
Table 3.3.3 and Table 3.3.4 list the jumper setting for selecting Serial port (JP3, JP4).
Top view of the
component side
Board
edge
Board
edge
1
3
JP
3
Tx
D
SE
L
JP
4
R
xD
S
E
L
1
3
Figure 3.3.4 Serial Port Select Jumper (JP3, JP4) Assignment
Table 3.3.3 Jumper Setting for Selecting Serial Port (JP3)
Jumper Setting Function
1 - 2
The PE2/TIOC0C/TXD0 pin of SH7125 is connected with serial port connector
(J2).
JP3
TXD1 SEL
2 - 3 The PA4/TMS/TXD1 pin of SH7125 is connected with serial port connector (J2).
: Initial Setting
Table 3.3.4 Jumper Setting for Selecting Serial Port (JP4)
Jumper Setting Function
1 - 2
The PE1/TIOC0B/RXD0 pin of SH7125 is connected with serial port connector
(J2). JP4
RXD1 SEL
2 - 3 The PA3/TRST/RXD1 pin of SH7125 is connected with serial port connector
(J2).
: Initial Setting
Note : Do not change jumper settings while the operation of M3A-HS25. Ensure to turn off the power for the
M3A-HS25 before changing jumper settings.
Rev.1.0 July 21, 2006 3-15
REJ10J0952-0100