M306V2EEFS datasheet(239/271 Pages) RENESAS

239 / 271 page

Rev.1.40

Oct 06, 2004 page 239 of 269

M306V2ME-XXXFP, M306V2EEFP

Figure 2.17.9 Port P9 direction register

Port P8 direction register

Symbol

Address

When reset

PD8

03F216

00X000002

Bit name

Function

Bit symbol

b7b6

PD8_2

Port P82 direction register

PD8_3

Port P83 direction register

0 : Input mode

(Functions as an input port)

1 : Output mode

(Functions as an output port)

PD8_6

Port P86 direction register

PD8_7

Port P87 direction register

0 : Input mode

(Functions as an input port)

1 : Output mode

(Functions as an output port)

Reserved bits

Must always be set to “0”

Reserved bit

Must always be set to “1”

Nothing is assigned.

In an attempt to write to this bit, write “0.”

The value, if read, turns out to be indeterminate.

Figure 2.17.8 Port P8 direction register

Port P9 direction register

Bit name

Function

Bit symbol

PD9_0

Port P90 direction register

PD9_1

Port P91 direction register

PD9_4

Port P94 direction register

0 : Input mode

(Functions as an input port)

1 : Output mode

(Functions as an output port)

1 1

Symbol

Address

When reset

PD9

03F316

0016

PD9_2

Port P92 direction register

PD9_3

Port P93 direction register

Reserved bits

Must always be set to “1”

Note: Set bit 2 of protect register (address 000A 16) to “1” before rewriting to

the port P9 direction register.

M306V2EEFS Datasheet(PDF) 239 Page - Renesas Technology Corp

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