Renesas PC4400 Manuel d'utilisateur télécharger pdf (Page 15)

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4.3 Switches

Figure 4.2 shows the locations of switches of the M34282T5-OPT and Tables 4.2 and 4.3 list the

functions of each switch and its factory-settings.

Figure 4.2 Switch locations

Table 4.2 Functions of switches (1/2)

Description Factory-settingSwitch settingSwitch

SW1

SW2

SW3

SW4

OFF

CPUSEL1

OFF

Does not output the V

DD from the

M34282T5-OPT to the target system.

Outputs the V

DD from the M34282T5-

OPT to the target system.

Sets the ROM type of MCU.

For M1: "L"

For M2: "H"

This switch is not used.

Do not change the CPUSEL1 setting.

The pulldown resistors of ports G

and G1 are OFF.

The pulldown resistors of ports G

and G1 are ON.

OFF

CPUSE0

CPUEL0

ON OFF

VDD

ON OFF

VDD

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 37 38

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Renesas PC4400 Manuel d'utilisateur Page 15