4556 datasheet(98/145 Pages) RENESAS

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Rev.3.02

Dec 22, 2006

page 98 of 142

REJ03B0025-0302

4556 Group

TAPU1 (Transfer data to Accumulator from register PU1)

TAPU0 (Transfer data to Accumulator from register PU0)

1001010111

257

–

Grouping:

Input/Output operation

Description: Transfers the contents of pull-up control

Operation:

(A)

← (PU0)

1001011110

25E

–

Grouping:

Input/Output operation

Description: Transfers the contents of pull-up control

Operation:

(A)

← (PU1)

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

1001010010

252

–

Grouping:

Clock operation

Description: Transfers the contents of clock control reg-

ister MR to register A.

Operation:

(A)

← (MR)

TAMR (Transfer data to Accumulator from register MR)

TASP (Transfer data to Accumulator from Stack Pointer)

0001010000

050

–

Grouping:

Description: Transfers the contents of stack pointer (SP)

to the low-order 3 bits (A2–A0) of register A.

Note:

After this instruction is executed, “0” is

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

Operation:

(A2–A0)

← (SP2–SP0)

(A3)

← 0

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