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4.3 Switches
Figure 4.3 shows the positions of switches of the M34502T-MCU. Table 4.2 lists the functions of the
switches and their factory-settings.
Figure 4.3 Positions of switches
Table 4.2 Functions of switches
The M34502T-MCU operates for 4501,
4502, 4506 and 4507 Groups.
The M34502T-MCU operates for 4580
Group.
Outputs the V
DD of the M34502T-MCU to
the target system.
Set the MCU’s ROM size.
• Set "2" for M2
• Set "4" for M4
Does not output the VDD of the M34502T-
MCU to the target system.
OFF
ON
SW1
OFF
ON
Label Setting Description Factory-settingSwitch
OFF
ON
ROMSIZE
SW2
SW3
5 V
3 V
3 V
5 V
3 V
5 V
Operates the evaluation MCU on the
M34502T-MCU at +5 V.
Operates the evaluation MCU on the
M34502T-MCU at +3 V.
OFF
Set to "4"
580
501/502
580
501/502
501/502
580
SW4
501/502
5 V