M38042F1HKP datasheet(20/116 Pages) RENESAS

20 / 116 page

Rev.1.01

Jan 25, 2005

page 20 of 114

REJ03B0131-0101Z

3804 Group (Spec. H)

Fig. 17 Structure of port pull-up control register (3)

Port P4 pull-up control register

b7b0

P40 pull-up control bit

0: No pull-up

1: Pull-up

P41 pull-up control bit

0: No pull-up

1: Pull-up

P42 pull-up control bit

0: No pull-up

1: Pull-up

P43 pull-up control bit

0: No pull-up

1: Pull-up

P44 pull-up control bit

0: No pull-up

1: Pull-up

P45 pull-up control bit

0: No pull-up

1: Pull-up

P46 pull-up control bit

0: No pull-up

1: Pull-up

P47 pull-up control bit

0: No pull-up

1: Pull-up

b7b0

Port P5 pull-up control register

P50 pull-up control bit

0: No pull-up

1: Pull-up

P51 pull-up control bit

0: No pull-up

1: Pull-up

P52 pull-up control bit

0: No pull-up

1: Pull-up

P53 pull-up control bit

0: No pull-up

1: Pull-up

P54 pull-up control bit

0: No pull-up

1: Pull-up

P55 pull-up control bit

0: No pull-up

1: Pull-up

P56 pull-up control bit

0: No pull-up

1: Pull-up

P57 pull-up control bit

0: No pull-up

1: Pull-up

(PULL5: address 0FF516)

(PULL4: address 0FF416)

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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