4501 datasheet(77/116 Pages) RENESAS

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4501 Group

Rev.3.01

2005.02.07

page 77 of 112

REJ03B0104-0301

TAB (Transfer data to Accumulator from register B)

0000011110

01E

–

Grouping:

Other operation

Description: Transfers the contents of register B to regis-

ter A.

TAB1 (Transfer data to Accumulator and register B from timer 1)

1001110000

270

–

Grouping:

Timer operation

Description: Transfers the high-order 4 bits (T17–T14) of

timer 1 to register B.

Transfers the low-order 4 bits (T13–T10) of

timer 1 to register A.

Operation:

(B)

← (T17–T14)

(A)

← (T13–T10)

Operation:

(A)

← (B)

T1AB (Transfer data to timer 1 and register R1 from Accumulator and register B)

1000110000

230

–

Grouping:

Timer operation

Description: Transfers the contents of register B to the

high-order 4 bits of timer 1 and timer 1 re-

load register R1. Transfers the contents of

and timer 1 reload register R1.

Operation:

(T17–T14)

← (B)

(R17–R14)

← (B)

(T13–T10)

← (A)

(R13–R10)

← (A)

T2AB (Transfer data to timer 2 and register R2 from Accumulator and register B)

1000110001

231

–

Grouping:

Timer operation

Description: Transfers the contents of register B to the

high-order 4 bits of timer 2 and timer 2 re-

load register R2. Transfers the contents of

and timer 2 reload register R2.

Operation:

(T27–T24)

← (B)

(R27–R24)

← (B)

(T23–T20)

← (A)

(R23–R20)

← (A)

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

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