M16CSLASH26 datasheet(174/239 Pages) RENESAS

174 / 239 page

Renesas Technology Corp.

Programmable I/O Ports

168

M16C/26 Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Under

development

Preliminary Specifications Rev. 0.9

Specifications in this manual are tentative and subject to change.

Figure 1.17.6. Port registers

Port Pi register

Symbol

Address

When reset

Pi (i = 6, 7, 10)

03EC16, 03ED16, 03F416

XX16

Bit name

Function

Bit symbol

Pi_0

Port Pi0 register

Pi_1

Port Pi1 register

Pi_2

Port Pi2 register

Pi_3

Port Pi3 register

Pi_4

Port Pi4 register

Pi_5

Port Pi5 register

Pi_6

Port Pi6 register

Pi_7

Port Pi7 register

(Note)

0 : "L" level data

1 : "H" level data

(i = 6, 7, 10)

Port P8 register

Symbol

Address

When reset

03F016

Bit name

Function

Bit symbol

P8_0

Port P80 register

P8_1

Port P81 register

P8_2

Port P82 register

P8_3

Port P83 register

P8_6

Port P86 register

P8_7

Port P87 register

Port P1 register

Symbol

Address

When reset

03E116

Bit name

Function

Bit symbol

Nothing is assigned.

Write "0" when writing to this bit. The value is "0" when read.

P1_5

Port P15 register

P1_6

Port P16 register

P1_7

Port P17 register

Port P9 register

Symbol

Address

When reset

03F116

Bit name

Function

Bit symbol

P9_0

Port P90 register

P9_1

Port P91 register

P9_2

Port P92 register

P9_3

Port P93 register

Nothing is assigned.

Write "0" when writing to this bit. The value is "0" when read.

P8_5

Port P85 register

(Note)

0 : "L" level data

1 : "H" level data

(Note)

0 : "L" level data

1 : "H" level data

(Note)

0 : "L" level data

1 : "H" level data

Note : Since P70 and P71 are N-channel open drain ports, the data is high impedance.

Nothing is assigned.

Write "0" when writing to this bit. The value is "0" when read.

(Note)

0 : "L" level data

1 : "H" level data

XX16

Note: Data is input and output to and from each pin by reading and writing to and from each corresponding bit.

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