4571 datasheet(87/126 Pages) RENESAS

87 / 126 page

Rev.1.02

May 25, 2007

Page 87 of 124

REJ03B0179-0102

4571 Group

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

T1AB

(Transfer data to timer 1 and register R1 from Accumulator and register B)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

011

00 2 23 0 16

Opera-

tion:

(T17

−T14) ← (B)

(R17

−R14) ← (B)

(T13

−T10) ← (A)

(R13

−R10) ← (A)

Grouping:

Timer operation

Description: Transfers the contents of register B to the high-order 4 bits

of timer 1 and timer 1 reload register R1. Transfers the

contents of register A to the low-order 4 bits of timer 1 and

timer 1 reload register R1.

T2AB

(Transfer data to timer 2 and register R2 from Accumulator and register B)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

011

01 2 23 1 16

Opera-

tion:

(T27

−T24) ← (B)

(R27

−R24) ← (B)

(T23

−T20) ← (A)

(R23

−R20) ← (A)

Grouping:

Timer operation

Description: Transfers the contents of register B to the high-order 4 bits

of timer 2 and timer 2 reload register R2. Transfers the

contents of register A to the low-order 4 bits of timer 2 and

timer 2 reload register R2.

T3AB

(Transfer data to timer 3 and register R3L from Accumulator and register B)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

011

10 2 23 2 16

Opera-

tion:

(T37

−T34) ← (B)

(R3L7

−R3L4) ← (B)

(T33

−T30) ← (A)

(R3L3

−R3L0) ← (A)

Grouping:

Timer operation

Description: Transfers the contents of register B to the high-order 4 bits

of timer 3 and timer 3 reload register R3L. Transfers the

contents of register A to the low-order 4 bits of timer 3 and

timer 3 reload register R3L.

T3HAB

(Transfer data to register R3H from Accumulator and register B)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

011

01 2 23 D 16

Opera-

tion:

(R3H7

−R3H4) ← (B)

(R3H3

−R3H0) ← (A)

Grouping:

Timer operation

Description: Transfers the contents of register B to the high-order 4 bits

of timer 3 and timer 3 reload register R3H. Transfers the

contents of register A to the low-order 4 bits of timer 3 and

timer 3 reload register R3H.

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