M38040F8HKP datasheet(18/116 Pages) RENESAS

18 / 116 page

Rev.1.01

Jan 25, 2005

page 18 of 114

REJ03B0131-0101Z

3804 Group (Spec. H)

Fig. 15 Structure of port pull-up control register (1)

Port P0 pull-up control register

b7b0

P00 pull-up control bit

0: No pull-up

1: Pull-up

P01 pull-up control bit

0: No pull-up

1: Pull-up

P02 pull-up control bit

0: No pull-up

1: Pull-up

P03 pull-up control bit

0: No pull-up

1: Pull-up

P04 pull-up control bit

0: No pull-up

1: Pull-up

P05 pull-up control bit

0: No pull-up

1: Pull-up

P06 pull-up control bit

0: No pull-up

1: Pull-up

P07 pull-up control bit

0: No pull-up

1: Pull-up

Port P1 pull-up control register

P10 pull-up control bit

0: No pull-up

1: Pull-up

P11 pull-up control bit

0: No pull-up

1: Pull-up

P12 pull-up control bit

0: No pull-up

1: Pull-up

P13 pull-up control bit

0: No pull-up

1: Pull-up

P14 pull-up control bit

0: No pull-up

1: Pull-up

P15 pull-up control bit

0: No pull-up

1: Pull-up

P16 pull-up control bit

0: No pull-up

1: Pull-up

P17 pull-up control bit

0: No pull-up

1: Pull-up

(PULL1: address 0FF116)

(PULL0: address 0FF016)

Note: Pull-up control is valid when the corresponding bit

of the port direction register is “0” (input).

When that bit is “1” (output), pull-up cannot be set

to the port of which pull-up is selected.

Note: Pull-up control is valid when the corresponding bit

of the port direction register is “0” (input).

When that bit is “1” (output), pull-up cannot be set

to the port of which pull-up is selected.

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