4571 Datasheet, PDF(98/126 Page) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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4571 Datasheet, PDF (98/126 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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4571 Group

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

TL1A (Transfer data to register L1 from Accumulator)

Instruc-

tion

code

1 0 0 0 0 0 1 0 1 0 2 2 0 A 16

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- (L1) â (A)

tion:

Grouping: Input/Output operation

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

trol register L1.

TMA j (Transfer data to Memory from Accumulator)

Instruc-

tion

code

1 0 1 0 1 1 j j j j 2 2 B j 16

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- (M(DP)) â (A)

tion: (X) â (X)EXOR(j)

j = 0 to 15

Grouping: RAM to register transfer

Description: After transferring the contents of register A to M(DP), an

exclusive OR operation is performed between register X

and the value j in the immediate field, and stores the result

in register X.

TMRA (Transfer data to register MR from Accumulator)

Instruc-

tion

code

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

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- (MR) â (A)

tion:

Grouping: Clock operation

Description: Transfers the contents of register A to clock control regis-

ter MR.

TPAA (Transfer data to register PA from Accumulator)

Instruc-

tion

code

1 0 1 0 1 0 1 0 1 0 2 2 A A 16

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- (PA0) â (A0)

tion:

Grouping: Timer operation

Description: Transfers the least significant bit of register A (A0) to timer

control register PA.

Rev.1.02 May 25, 2007 Page 98 of 124

REJ03B0179-0102

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