Fujitsu F2MC-8FX Series Operation Manual page 11

5. Setting of the Switch and Jumper Plug
■ Position of the switch and jumper plug
The positions of the switch and jumper plug on a MCU board is shown in Figure 8, and specifications
are shown in Table 3.
Item
Clock selector switch
Clock supervisor selector
switch
APB8 bus output selector
switch
C-pin selector switch
Clock input selector
switch
Product selector switch
LVD selector switch
Voltage selector switch
Subclock selector jumper
plug
LVD2 detection voltage
setting jumper plug
Figure 8 Positions of switches and jumper plugs on MCU the board
Table 3 Switch and Jumper plug specifications
SW/S
name
ON : Disable the subclock
SW1-1
OFF : Enable the subclock
ON : Enable the clock supervisor function
SW1-2
OFF : Disable the clock supervisor function
ON : Enable the APB8 bus
SW1-3
OFF : Disable the APB8 bus
ON : Connect the C pin and the on-board 0.1µF capacitor
SW1-4
OFF : Disconnect the C pin and the on-board 0.1µF capacitor
Select the main-clock and subclock source on the MCU board or on
SW2 the user system. See "■ Setting of clock input Selector switch
(SW2)".
Set this switch depending on the number of pins on the target MCU
SW3
to be used. See "■ Setting of the product selector switch (SW3)".
Select the low-voltage detection function.
LVD1 : LVD1 enabled
SW4
OFF : LVD function disabled
LVD2 : LVD2 enabled
Select 5V or 3V supply for the operating voltage of the evaluation
MCU.
SW5
5V : 5V supply
3V : 3V supply
Select whether to use the subclock. See the relevant table. See
S1
"■ Settings of the subclock selector jumper plug (S1)".
Set the LVD2 detection voltage. See "■ Settings of the LVD2 De-
S2
tection Voltage Jumper Plug (S2)".
S2
GND VCC
5V
8
SW5
SW3
PRODUCT SELECT
ON ON
SC5
SC6
1 2 3 4 1 2 3 4
SW1 SW2
1
S1
SC4
2
C B A
BGM
ADAPTER
Description
3V
SW4
SC3 SC2
SC1
Shipment
setting
OFF
OFF
OFF
OFF
OFF
OFF
3V
Jumper of
B-C
LVD0
0
7