Fujitsu F2MC-8FX Series Manuale operativo - Pagina 13

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■ Setting of the sub clock selector jumper plug (S1)

Table 7 lists jumper plug positions and sub clock selection. Figure 10 shows examples of sub clock

selection.

Sub clock

Used

Supply source M1 correspondence pin

Clock area

enable

User system*

disable

* : Oscillation is not guaranteed when the crystal oscillator is mounted on the user system.

■ Setting of the LVD2 detection voltage selector jumper plug (S2)

Figure 11 shows the setting of the LVD2 detection voltage selector jumper plug (S2). Table 8 lists

jumper plug positions for detection voltages.

These settings cannot be used during debugging. Set the jumper to LVD0 to use the debugger.

Table 7 Setting of sub clock selector

X0A : R3 pin

X1A : V1 pin

⎯

Example 1

Figure 10 The example of sub clock selection

Figure 11 The LVD2 detection voltage selector jumper plug (S2)

Table 8 Setting of the LVD2 detection voltage selector 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

Jumper of 1: A - 1: B Jumper of 2: A - 2: B

Example 2

Example of

settings

X1A

Example 1

Example 2

LVD2 setting value

+ 4.17V

+ 3.74V

+ 3.3V

+ 2.9V

+ 2.6V