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3 switches, Caution, Caution for setting the switches – Renesas Single-Chip Microcomputer M34519T-MCU User Manual

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Outputs VDD from the M34519T-MCU
to the target system.

Set the MCU's ROM size.

• Set "2" for M2
• Set "4" for M4
• Set "6" for M6
• Set "8" for E8, M8
• Set "D" for ED, MD

Operates the evaluation MCU on the
M34519T-MCU at 5 V.

Operates the evaluation MCU on the
M34519T-MCU at 3 V.

8

SW1

SW2

SW3

OFF

ON

5 V

3 V

OFF

Label

Switch position

Description

Factory-setting

ROMSIZE

OFF

OFF

ON

ON

5 V

3 V

Does not output VDD from the
M34519T-MCU to the target system.

SW4

519

518

519

519

519

518

518

Operates for the 4519 and 4584 Groups.

Operates for the 4518 and 4583 Groups.

3.3 Switches

Table 3.2 shows the functions of the switches and their factory-settings.

Table 3.2 Functions of the switches

Switch

5 V

3 V

5 V

CAUTION

Caution for Setting the Switches:

• Before changing switch settings, be sure to shut off the power.