4501 datasheet(96/212 Pages) RENESAS

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INSTRUCTIONS

1-84

Rev.2.01

Feb 07, 2005

4501 Group

HARDWARE

REJ09B0192-0201

TDA (Transfer data to register D from Accumulator)

0000101001

029

–

Grouping:

Description: Transfers the contents of the low-order 3

bits (A2–A0) of register A to register D.

Operation:

(DR2–DR0)

← (A2–A0)

TEAB (Transfer data to register E from Accumulator and register B)

0000011010

01A

–

Grouping:

Description: Transfers the contents of register B to the

high-order 4 bits (E3–E0) of register E, and

the contents of register A to the low-order 4

bits (E3–E0) of register E.

Operation:

(E7–E4)

← (B)

(E3–E0)

← (A)

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

TI1A (Transfer data to register I1 from Accumulator)

1000010111

217

–

Grouping:

Interrupt operation

Description: Transfers the contents of register A to inter-

rupt control register I1.

Operation:

(I1)

← (A)

TK0A (Transfer data to register K0 from Accumulator)

1000011011

21B

––

Grouping:

Input/Output operation

Description: Transfers the contents of register A to key-on

wakeup control register K0.

Operation:

(K0)

← (A)

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