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FUJITSU F2MC-8L F202RA User Manual

Page 89

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73

CHAPTER 3 CPU

Figure 3.8-2 Operations for Selecting Memory Access

Wait for cancellation of
the reset source
(external reset or
oscillation stabilization
wait time)

Mode fetch

Check of the mode data

Setup of I/O pin
functions at execution
of program (RUN mode)

Source of a reset is generated.

I/O pins are high
impedance.

Being reset

Mode data and reset vector are
fetched from internal ROM.

Mode data

Other

settings

Prohibited

Single-chip mode (00

H

)

I/O settings for each I/O pin using
the port direction register (DDR)
and other measures

I/O pins are available
as ports.

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