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2.2.7
Setting the User-System Input Signal Enabling/Disabling Switches
Enabling or disabling of particular input signals from the user system can be set on the debugging
MCU board. In addition, connecting or disconnecting the user system must be set with these
switches. Table 2.3 lists the signals and settings.
Figure 2.10 User-System Input Signal Enabling/Disabling Switches
Table 2.3 Correspondence of User-System Input Signal Enabling/Disabling Switch Settings
Silk-Screened Label
UNMI
URES
UCON
⎯
Note: When 'UCON' is set as 'DISABLE', the debugging MCU board can be initiated even if
the user system has not been connected. Set the debugging MCU board, referring to
section 2.4, Setting Up the Debugging MCU Board for Single Operation, for the use of
simple evaluation before designing the user system.
28
Number on SW2
ENABLE
1
Enables the NMI input.
(factory setting)
2
Enables the /RES input.
(factory setting)
3
Set this switch when the user
system is connected for
operation. (factory setting)
4
Do not change this switch.
(factory setting)
DISABLE
Disables the NMI input.
Disables the /RES input.
Set this switch for single
operation of the debugging
MCU board.
Do not change this switch.
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