Fujitsu F2MC-8FX Series Operation Manual page 15

Voltage
selector
switch
C-pin
selector
switch
Header board
I/F connector
Product
selector
switch
■ Clock settings
Figure 13 shows the clock-related circuit diagram.
AVcc
AVR
AVss
1
AVcc3
1 0
AVR3
0
Vcc
1
C
0
0
PG0
1
0
Clock selector
1
switch
1
SEL4
0
1
SEL0
2
SEL1
3
SEL2
4
SEL3
Figure 12 MCU board functional block diagram
X0 T4
X1 U2
( M1)
X0A R3
X1A V1
( R1)
CSVEN
APBEN
LVDREXT
LVDEN
LVD
selector
switch
LVDEN2
MB95FV100-101
(evaluation MCU)
X0,X1
X0A,X1A
Vcc,GND,BRSTX
BSIN,BSOUT
BDBMX,BEXCK
LVDIN
LVR0
LVR1
LVR2
LVR3
LVR4
Other pins
GND
C B
GND
Figure 13 Clock selector circuit
Clock supervisor
0
selector switch
1
APB8 bus output
selector switch
0
1
0
1
2
3
Clock
selector
circuit
Header board
I/F connector
BGM
adapter
connector
1
2
3
4
5
LVD2 detection voltage
setting jumper plug
1
X0
2
X1
3
X0A
4
X1A
1
2
A
11