Renesas M34570T-MCU 4.3 Description of Switches

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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

3V

Connects the VDD 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 VDD of the M34570T-MCU to

the VDD of the target system.

8

SW1

SW2

SW3

OFF

ON

5V

OFF

5V

Label Switch position Description Factory-setting

ROMSIZE

OFF

OFF

ON

ON

5V

5V

3V

3V

Contents

Main ( 2 / 34 ) Contents Page 1. Precautions for Safety WARNING IMPORTANT CAUTION WARNING CAUTION IMPORTANT Notes on Differences between Actual MCU and Emulator: Note on the Target System: Notes on Connecting the Target System: Page 2. Handling Precautions Page 3. Contents of the M34570T-MCU Package 3.1 Things to Check When Unpacking 3.2 Other Necessary Products Page Page 4.2 Specifications Table 4.1 lists specifications of M34570T-MCU. Table 4.1 M34570T-MCU Specifications Table 4.2 Functions of switches 4.3 Description of Switches Figure 4.2 Positions of switches 4.4 Description of Connectors Page Page 4.5 Connection to the Target System Page 4.6 LED Page 5. Precautions to be Taken When Debugging 5.1 Reset 5.2 System Clock 5.3 Real-time Capability of Timer Page 5.7 Port I/O Timing 5.8 Power-down Mode 5.9 Program Execution (G, GB) Page 5.10 External Trigger Page Page Appendix A. How to Request for Repair CAUTION Note on Transporting the Product: