Renesas M16C/6NN Instrukcja Użytkownika Pobierz pdf (Strona 13)

E8a Emulator Section 5 Examples of E8a Connections

(2) Single power supply and memory expansion mode

Figure 5.7 Connection of E8a Emulator and Pins P50 and P55 (Single Power Supply and Memory Expansion Mode)

Note:

1. The HOLD

signal cannot be used. Pull up P55 at the Vcc level on the user system.

(3) In dual power supply and single-chip mode

Pull up P55 at the Vcc2 level or pull down it according to the MCU pin state after disconnecting the

E8a emulator. P55 may be in a Hiz state while the E8a emulator is active. Therefore, set the pin

resistance value so the voltage cannot be at the midpoint potential, depending on the voltage

dividing of the resistance inside the E8a emulator (Figure 5.12).

Figure 5.8 Connection of E8a Emulator and Pins P50 and P55 (Dual Power Supply and Single-chip Mode)

(4) In dual power supply and memory expansion mode

Figure 5.9 Connection of E8a Emulator and Pins P50 and P55 (Dual Power Supply and Memory Expansion Mode)

Note:

1. The HOLD

signal cannot be used. Pull up P55 at the Vcc2 level on the user system.

REJ10J1640-0400

Rev.4.00 Page 10 of 31

Apr 30, 2010

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Renesas M16C/6NN Instrukcja Użytkownika Strona 13