1 mode pins, Mode pins – FUJITSU F2MCTM-16LX User Manual

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CHAPTER 9 MEMORY ACCESS MODES

9.1.1

Mode Pins

Table 9.1-2 lists the operations that can be specified by combining the three external
pins MD2 to MD0.

■

Mode Pins

Table 9.1-2 Mode Pin and Mode

Mode pin setting

Mode name

Reset vector

access area

External data

bus width

Remarks

MD2 MD1 MD0

0 0 0

Setting disabled

0 0 1

0 1 0

0 1 1

Internal vector
mode

Internal

(Mode data)

Reset sequence and subsequent
sequences are controlled by
mode data.

1 0 0

Setting disabled

1 0 1

1 1 0

Flash serial
programming*

−

1 1 1

Flash memory

−

Mode when parallel writer is
used

*: The serial programming of the flash memory cannot be written only by setting the mode pin. Other pin also need to be