M38B53M4-059FP datasheet(92/355 Pages) MITSUBISHI

92 / 355 page

2-4

38B5 Group User’s Manual

APPLICATION

2.1 I/O port

Fig. 2.1.5 Structure of port Pi (i = 0, 2, 4, 5, 7, 8) direction register

Port Pi direction register

b7 b6 b5 b4 b3 b2 b1 b0

Port Pi direction register (i = 0, 2, 4, 5, 7, 8)

(PiD: addresses 0116, 0516, 0916, 0B16, 0F16, 1116)

0 : Port Pi0 input mode

1 : Port Pi0 output mode

Name

Functions

At reset R W

0 : Port Pi1 input mode

1 : Port Pi1 output mode

0 : Port Pi2 input mode

1 : Port Pi2 output mode

0 : Port Pi3 input mode

1 : Port Pi3 output mode

0 : Port Pi4 input mode

1 : Port Pi4 output mode

0 : Port Pi5 input mode

1 : Port Pi5 output mode

0 : Port Pi6 input mode

1 : Port Pi6 output mode

0 : Port Pi7 input mode

1 : Port Pi7 output mode

(Note)

Port Pi direction

Note: Bit 7 of the port P4 direction register (address 0916) does not have

direction register function because P47 is input port. When writing to bit 7

of the port P4 direction register, write “0” to the bit.

Port P6 direction register

b7 b6 b5 b4 b3 b2 b1 b0

Port P6 direction register

(P6D: address 0D16)

0 : Port P60 input mode

1 : Port P60 output mode

Name

Functions

At reset R W

0 : Port P61 input mode

1 : Port P61 output mode

0 : Port P62 input mode

1 : Port P62 output mode

0 : Port P63 input mode

1 : Port P63 output mode

0 : Port P64 input mode

1 : Port P64 output mode

0 : Port P65 input mode

1 : Port P65 output mode

Port P6 direction

Nothing is arranged for these bits. When these

bits are read out, the contents are undefined.

Fig. 2.1.6 Structure of port P6 direction register

M38B53M4-059FP Datasheet(PDF) 92 Page - Mitsubishi Electric Semiconductor

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