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Operational Specifications
3.3.1 SH7125 Power Supply Select Jumper (JP1)
Rev.1.0 July 21, 2006 3-13
REJ10J0952-0100
3
3.3.1 SH7125 Power Supply Select Jumper (JP1)
The JP1 allows the sources for the SH7125 power supply voltages to be selected.
Figure 3.3.2 shows the SH7125 power supply voltage select jumper (JP1) assignment.
Table 3.3.1 lists jumper setting for selecting SH7125 power supply voltage (JP1).
Top view of the
component side
Board
edge
Board
edge
1
3
JP1 PWRSEL
Figure 3.3.2 SH7125 Power Supply Voltage Select Jumper (JP1) Assignment
Table 3.3.1 Jumper Setting for Selecting SH7125 Power Supply Voltage (JP1)
Jumper Setting Function
1 - 2
5V fixed power supply voltage
JP1
PWRSEL
2 - 3
External power supply voltage (supplied from J4)
: 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.