M38B53M4-059FP datasheet(93/355 Pages) MITSUBISHI

93 / 355 page

2-5

APPLICATION

2.1 I/O port

38B5 Group User’s Manual

Fig. 2.1.7 Structure of port P9 direction register

Port P9 direction register

b7 b6 b5 b4 b3 b2 b1 b0

Port P9 direction register

(P9D: address 1316)

0 : Port P90 input mode

1 : Port P90 output mode

Name

Functions

At reset R W

0 : Port P91 input mode

1 : Port P91 output mode

Port P9 direction

Nothing is arranged for these bits. When these

bits are read out, the contents are undefined.

Fig. 2.1.8 Structure of pull-up control register 1

Pull-up control register 1

b7 b6 b5 b4 b3 b2 b1 b0

Pull-up control register 1

(PULL1: address 0EF016)

Name

Functions

At reset R W

Ports P50, P51 pull-

up control

Ports P52, P53 pull-

up control

Ports P56, P57 pull-

up control

Port P61 pull-up

control

Ports P62, P63 pull-

up control

Nothing is arranged for this bit. This is a write

disabled bit. When this bit is read out, the

contents are “0”.

Ports P54, P55 pull-

up control

0: No pull-up

1: Pull-up

0: No pull-up

1: Pull-up

0: No pull-up

1: Pull-up

0: No pull-up

1: Pull-up

0: No pull-up

1: Pull-up

0: No pull-up

1: Pull-up

Ports P64, P65 pull-

up control

0: No pull-up

1: Pull-up

Note: The pin set to output port is cut off from pull-up control.

M38B53M4-059FP Datasheet(PDF) 93 Page - Mitsubishi Electric Semiconductor

M38B53M4-059FP Datasheet(HTML) 93 Page - Mitsubishi Electric Semiconductor

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