Renesas SH7149 - Manual (Page 44)

Operational Specifications
3.2.1 SH7149 Power Supply Select Jumper (JP1)
Rev.1.0 Dec 15, 2006 3-16
REJ10J0917-0100
3
3.2.1 SH7149 Power Supply Select Jumper (JP1)
The JP1 allows the sources for the SH7149 power supply voltages to be selected.
Figure3.2.2 shows the SH7149 power supply voltage select jumper (JP1) assignment.
Table3.2.1 lists jumper setting for selecting SH7149 power supply voltage (JP1).
Top view of the
Component side
Board
edge
Board
edge
1
2
3
JP
1
PWRS
EL
Figure3.2.2 SH7149 Power Supply Voltage Select Jumper (JP1) Assignment
Table3.2.1 Jumper Setting for Selecting SH7149 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-HS49. Ensure to turn off the power for the
M3A-HS49 before changing jumper settings.