4571 Datasheet, PDF(90/126 Page) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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4571 Datasheet, PDF (90/126 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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4571 Group

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

TAD (Transfer data to Accumulator from register D)

Instruc-

tion

code

0 0 0 1 0 1 0 0 0 1 2 0 5 1 16

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- (A2âA0) â (DR2âDR0)

tion: (A3) â 0

Grouping: Register to register transfer

Description: Transfers the contents of register D to the low-order 3 bits

(A2âA0) of register A.

â0â is stored to the bit 3 (A3) of register A.

TAI1 (Transfer data to Accumulator from register I1)

Instruc-

tion

code

1 0 0 1 0 1 0 0 1 1 2 2 5 3 16

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- (A) â (I1)

tion:

Grouping: Interrupt operation

Description: Transfers the contents of interrupt control register I1 to

TAI2 (Transfer data to Accumulator from register I2)

Instruc-

tion

code

1 0 0 1 0 1 0 1 0 0 2 2 5 4 16

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- (A) â (I2)

tion:

Grouping: Interrupt operation

Description: Transfers the contents of interrupt control register I2 to

TAK0 (Transfer data to Accumulator from register K0)

Instruc-

tion

code

1 0 0 1 0 1 0 1 1 0 2 2 5 6 16

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- (A) â (K0)

tion:

Grouping: Input/Output operation

Description: Transfers the contents of key-on wakeup control register

K0 to register A.

Rev.1.02 May 25, 2007 Page 90 of 124

REJ03B0179-0102

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