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R0E521000CPE00 User's Manual
2. Setup
2.7 Turning ON the Power
2.7.1 Checking Connections of the Emulator System
Before turning the power ON, check the connection of the interface cable to the host machine, emulator, and user system.
2.7.2 Power Supply to the User System
This emulator cannot supply the power to the user system. Therefore design your system so that the user system is powered
separately. This product consumes max. 500 mA of electrical current from the user system. Please consider the capacity of the
power supply of the user system.
The voltage of the user system should be 2.7 V ≤ VCC ≤ 5.5 V when the POWER selection jumper is set to the INT POWER
side. Do not change the voltage of the user system after turning on the power. To change the power supply voltage of the user
system, and the voltage of the user system is 2.2 V to 2.7 V, set the POWER selection jumper to the EXT POWER side. For
details about the POWER selection jumper, refer to "2.3.3 Setting the POWER Selection Jumper" (page 24).
2.7.3 Turning ON/OFF the Power
Turn ON the power of the emulator and user system as simultaneously as possible when the POWER selection jumper the INT
POWER side. Turn OFF the power of the emulator and user system as simultaneously as possible.
Do not leave either the emulator or user system powered on, because of leakage current the internal circuits may be damaged.
The user system's power supply can be turned on/off only when the system is operating with an on-chip oscillator and the
POWER selection jumper is set to the EXT.
When turning ON the power again after shutting OFF the power, wait for about 10 seconds.
REJ10J0845-0600 Rev.6.00 Aug. 20, 2009
Page 32 of 92
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