Instruction Fetch From External Memory - NEC 78K0 User Manual

8-bit single-chip microcontrollers

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CHAPTER 5 EXTERNAL BUS INTERFACE

Figure 5-5. Instruction Fetch from External Memory

(a) No wait (PW1, PW0 = 0, 0) setting

Lower address

Instruction code

Higher address

(b) Wait (PW1, PW0 = 0, 1) setting

Lower address

Instruction code

Higher address

Internal wait signal

(1-clock wait)

Lower address

Instruction code

Higher address

User's Manual U15947EJ2V0UD

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