Serial Port Select Jumper (Jp7, Jp8) - Renesas M3A-HS85 User Manual

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3.2.4 Serial Port Select Jumper (JP7, JP8)

SCI channel of SH7285 connecting to the serial port connector (J3) is changed by the setting of JP7 and JP8.
SCIF channel 3 is connected to the serial port connector (J3) as the initial setting. When SCI channel 0 is
connected to the serial port connector (J3), note that H-UDI connectors (J1 and J2) and the extension connector
(J13) cannot be used.
Figure 3.2.5 shows the serial port select jumper assignments. Table 3.2.4 lists the serial port select jumper setting.
Jumper
JP7
TXDSEL
JP8
RXD SEL
: Initial Setting
Note: Do not change jumper settings during the operation of M3A-HS85.
Ensure to turn off the power for the M3A-HS85 before changing jumper settings.
Rev.1.04 2008.7.10
REJ10J1564-0104
Top view of the
component side
Board
edge
Figure 3.2.5 Serial Port Select Jumper Assignments (JP7, JP8)
Table 3.2.4 Serial Port Select Jumper Setting (JP7, JP8)
Setting
1-2
Pin PE5/TXD3 of SH7285 is connected to the serial port connector (J3).
2-3 Pin PA1/TXD0 of SH7285 is connected to the serial port connector (J3).
1-2 Pin PE4/RXD3 of SH7285 is connected to the serial port connector (J3).
2-3 Pin PA0/RXD0 of SH7285 is connected to the serial port connector (J3).
Operational Specifications
3.2.4 Serial Port Select Jumper (JP7, JP8)
Board
edge
Function
3-22