MB2146-401 F
2
MC-8FX Family Evaluation Board Operation Guide, Doc. # 002-07324 Rev. *A
12
Connecting
Figure 3-2. AC adapter connection
3.2
Note on use
Be careful of the following thing the time of using this board.
■
Please do not use AC adapter except accessories.
■
When you supply a power supply from AC adapter, terminals TP2 (VCC) and TP3 (VSS) for an
external power supply input should presuppose that it is open,and should not supply an external
power supply.
■
Terminal for an external power supply input When you supply a power supply from TP2 (VCC)
and TP3 (VSS), please set SW2 (AC adapter power supply switch) to OFF by setting 5 V/3.3 V
power supply selection jumper plug (JP3/JP4) as opening,and use AC adpter side power supply
supply, separating it completely
■
Be sure to use 5 V/3.3 V power supply selection jumper plug (JP3/JP4) by the same setup. When
a different setup is performed, 5 V power supply and 3.3 V power supply may short-circuit, and it
may become the cause of incorrect operation.
AVCC
AVR
+3.3V
+5V
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
LED9
LED10
LED11
LED12
LED13
LED14
LED15
LED16
SW1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
POWER
LED17
VCC
VSS
AVCC
AVR
AVSS
LVCC
LVSS
P00C
P01C
P02C
P03C
P04C
P05C
P06C
P07C
P60
P61
P62
P63
P64
P65
P66
P67
JP6 JP5
JP3
JP4
1
2
11
9
12
0
CN2
1
2
11
9
12
0
CN1
CN5
CN3
JP1
JP2
1
1
CN4
1
2
39
40
U1
1
10
11
221
230
111
PJ1
SW2
H1
U7
POWER
RESET
POWER-SW
CAP.
AVSS
JP7
MOD
JP8
AC adapter
MCU board
Evaluation
MCU