User`s manual

Operational Specifications
3.2.1 SH7211 Power Supply Select Jumpers (JP1, JP2)
Rev.1.01 Jan 31, 2008
3-16
REJ10J1262-0101
3
3.2.1 SH7211 Power Supply Select Jumpers (JP1, JP2)
The sources for the SH7211 power supply voltages can be selected by setting JP1 and JP2.
Figure 3.2.2 shows the SH7211 power supply voltage select jumper assignment and Table 3.2.1 lists the jumper
setting for selecting SH7211 power supply.
Top View of the
Component Side
Board
Edge
Board
Edge
1
3
JP1
1
3
JP2
1.5V PWRSEL
3.3V PWRSEL
Figure 3.2.2 SH7211 Power Supply Select Jumper Assignment (JP1, JP2)
Table 3.2.1 Jumper Setting for Power Supply Select (JP1, JP2)
Jumper Setting Function
1 - 2
1.5V fixed power supply voltage (supplied from regulator)
JP1
1.5V PWRSEL
2 - 3
External power supply voltage (supplied from J5)
1 - 2
3.3V fixed power supply voltage (supplied from regulator)
JP2
3.3V PWRSEL
2 - 3
External power supply voltage (supplied from J6)
: Initial Setting
Note: Do not change jumper settings during the operation of M3A-HS11. Ensure to turn off the power for the
M3A-HS11 before changing jumper settings.