Renesas MCU Board for PC4504 Emulator System M34570T-MCU Informations techniques télécharger pdf (Page 17)

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Table 4.2 Functions of switches

4.3 Description of Switches

The M34570T-MCU board has three switches. Figure 4.2 shows the positions of these switches.

Tables 4.2 list the functions of the switches. Shown in Table 4.2 is the preset switch positions that

are set before the MCU board is shipped from the factory.

Figure 4.2 Positions of switches

Connects the V

DD of the M34570T-MCU to the VDD

of the target system.

Set the MCU’s ROM size.

• Set "4" (M4)

• Set "8" (M8)

• Set "D" (MD)

Operates the target MCU at +5V.

Operates the target MCU at +3V.

Does not connect the V

DD of the M34570T-MCU to

the VDD of the target system.

SW1

SW2

SW3

OFF

Label

Switch position

Description

Factory-setting

ROMSIZE

OFF

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 35 36

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Renesas MCU Board for PC4504 Emulator System M34570T-MCU Informations techniques Page 17