455A datasheet(97/148 Pages) RENESAS

97 / 148 page

Rev.1.01

Feb 15, 2008

Page 97 of 146

REJ03B0224-0101

455A Group

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

RBK (Reset Bank flag)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

00 2 04 0 16

Opera-

tion:

When TABPp instruction is executed, p6 ← 0

Grouping:

Other operation

Description: Sets referring data area to pages 0 to 63 when the TABPp

instruction is executed. This instruction is valid only for the

TABPp instruction.

Note:

This instruction cannot be used in M3455AG8.

RC (Reset Carry flag)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

000

10 2 00 6 16

110

Opera-

tion:

(CY)

← 0

Grouping:

Arithmetic operation

Description: Clears (0) to carry flag CY.

RCP (Reset Port C)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

000

00 2 28 C 16

Opera-

tion:

(C)

← 0

Grouping:

Input/Output operation

Description: Clears (0) to port C.

RD (Reset port D specified by register Y)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

001

00 2 01 4 16

Opera-

tion:

(D(Y))

← 0

(Y) = 0 to 7

Grouping:

Input/Output operation

Description: Clears (0) to a bit of port D specified by register Y.

Note:

(Y) = 0 to 7.

Do not execute this instruction if values except above are

set to register Y.

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