Fujitsu F2MC-8FX Series Operation Manual page 13

■ Setting of the subclock selector jumper plug (S1)
Table 7 lists jumper plug positions and sub clock selection. Figure 10 shows the examples of sub-
clock selection.
Used
enable
disable
* : Oscillation is not guaranteed when the crystal oscillator is mounted on the user system.
■ Setting of the LVD2 detection voltage jumper plug (S2)
Figure 11 shows the settings of the LVD2 detection voltage jumper plug (S2). Table 8 lists jumper
plug positions for detection voltages.
Table 7 Setting of sub clock selector
Sub clock
Supply M1 correspondence
source * pin
Clock X0A : R3 pin
area X1A : V1 pin
⎯
C B A
Example 1
Figure 10 The example of subclock selection
Figure 11 The LVD2 detection voltage jumper plug (S2)
Table 8 Setting of the LVD2 detection voltage jumper plug
Jumper plug position
LVD0
LVD1
LVD2
LVD3
LVD4
Settings of the sub clock selector
jumper plug (S1)
X0A
Jumper of 1:B - 1:C Jumper of 2:B - 2:C Example 1
Jumper of 1:A - 1:B Jumper of 2:A - 2:B Example 2
1
2
C
Example 2
LVD2 setting value
Example
of settings
X1A
1
2
B A
+ 4.17V
+ 3.74V
+ 3.3V
+ 2.9V
+ 2.6V
9