R0E521000CPE00 User’s Manual
2. Setup
REJ10J0845-0600 Rev.6.00 Aug. 20, 2009
Page 22 of 92
2.3 Changing Settings
2.3.1 MCU Power Supply Source Selection Jumper/MCU Power Supply Voltage Selection Jumper
Set the MCU power supply source selection jumper and the MCU power supply voltage selection jumper of the emulator
according to conditions of use (see Figure 2.2).
Figure 2.2 Jumper switch locations
These are the jumper switches to select power supply to the MCU and its power voltage. As shown in Table 2.1 below, set the
switch according to the connection to the user system.
Table 2.1 Setting jumper switches
Connection to
the user system
MCU power supply
source selection
jumper (JP1)
MCU power supply
voltage selection
jumper (JP2)
Description
3.3 V
Supplied from the emulator. The MCU operating
voltage is 3.3 V.
Not connected
INT
5.0 V
Supplied from the emulator. The MCU operating
voltage is 5.0 V.
Connected EXT
Invalid
Supplied from the user system. This emulator
consumes max. 500 mA of electrical current from the
user system.
CAUTION
Note on Changing Jumper Switch Settings:
z
Always shut OFF the emulator before changing the setting of the jumper switches. Otherwise the internal circuit
may cause a break.
JP1: MCU power supply source
selection jumper
(factory-setting: INT)
JP2: MCU power supply voltage
selection jumper
(factory-setting: 5.0V)
INT
JP1
5.
0
V
JP
2
3.3
V
EXT
MADE
POWER
SW1
COMPACT EMULATOR
CLOCK
RESET
RUN
LED3
LED6
LED
5
L
ED4
POWER
LED1
SAFE
LED2
POWER USB
5.0V
SYSTEM
STATUS
POWER
SAFE
POWER
CLOCK
RESET
RUN
TARGET
STATUS
COMPACT EMULATOR
R0E521000CPE00
-
+
MADE IN JAPAN
MCU
POWER
5.0V
JP2
3.3V
EXT
JP1
INT
IN
T
JP
1
5.
0
V
JP
2
3.3V
EXT