M38031F3L-XXXSP Ver la hoja de datos (PDF) - Renesas Electronics

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M38031F3L-XXXSP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

3803 Group (Spec.L)

b7

b0

Port P2 pull-up control register

(PULL2: address 0FF216)

P20 pull-up control bit

0: No pull-up

1: Pull-up

P21 pull-up control bit

0: No pull-up

1: Pull-up

P22 pull-up control bit

0: No pull-up

1: Pull-up

P23 pull-up control bit

0: No pull-up

1: Pull-up

P24 pull-up control bit

0: No pull-up

1: Pull-up

P25 pull-up control bit

0: No pull-up

1: Pull-up

P26 pull-up control bit

0: No pull-up

1: Pull-up

P27 pull-up control bit

0: No pull-up

1: Pull-up

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.

b7

b0

Port P3 pull-up control register

(PULL3: address 0FF316)

P30 pull-up control bit

0: No pull-up

1: Pull-up

P31 pull-up control bit

0: No pull-up

1: Pull-up

Not used

(return “0” when read)

P34 pull-up control bit

0: No pull-up

1: Pull-up

P35 pull-up control bit

0: No pull-up

1: Pull-up

P36 pull-up control bit

0: No pull-up

1: Pull-up

P37 pull-up control bit

0: No pull-up

1: Pull-up

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.

Fig 17. Structure of port pull-up control register (2)

Rev.1.00 Apr 2, 2007 Page 21 of 117

REJ03B0212-0100

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