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M30850T2-EPB User’s Manual 2. Setup
REJ10J1005-0200 Rev.2.00 April 1, 2007
2.6 Turning ON the Power
2.6.1 Checking the Connections of the Emulator System
Before turning the power ON, check the connection of the interface cable with host machine, PC7501, emulation probe, and
user system.
2.6.2 Turning ON/OFF the Power
z Turn ON the power of the emulator and user system as simultaneously as possible.
z Turn OFF the power of the emulator and user system as simultaneously as possible.
z Do not leave either the emulator or user system powered on, because of leakage current the internal circuits may be
damaged.
z When turning ON the power again after shutting OFF the power, wait for about 10 seconds.
IMPORTANT
Notes on Power Supply:
z The emulator's pin Vcc is connected to the user system in order to monitor user system voltage. For this reason,
the emulator cannot supply power to the user system. Therefore, provide the user system with a separate power
supply from that of the emulator.
z Keep user system power supply voltage within the MCU's specified range (3.0 to 5.5 V).
z Do not change user system power supply voltage after power has been activated.
2.6.3 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.
The voltage of the user system should be within the following. And do not change the voltage after activating the system.
(1) When JP1 of the M30850T2-EPBM is set as VCC1 = 2:
3.0 V ≤ VCC1 = VCC2 ≤ 5.5 V
(2) When JP1 of the M30850T2-EPBM is set as VCC1 > 2:
4.8 V ≤ VCC1 ≤ 5.2 V
3.3 V ≤ VCC2 < VCC1
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