M30290T2-CPE User’s Manual
2. Setup
REJ10J0494-0200 Rev.2.00 July 16, 2005
Page 35 of 86
2.9 Changing Settings
2.9.1 MCU Power Supply Source Selection Jumper/MCU Power Supply Voltage Selection Jumper
These are the jumper switches to select power supply to the MCU and its power voltage. As shown in Table 2.5 below, set the
switch according to the connection to the user system.
Table 2.5 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 Setting Jumper Switches:
Always shut OFF the emulator before changing the setting of the jumper switches, and connecting the cable.
Otherwise the internal circuit may cause a break.
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