HT46R23 datasheet(39/42 Pages) HOLTEK

39 / 42 page

SUB A,[m]

Subtract data memory from the accumulator.

Description

The specified data memory is subtracted from the contents of the accumulator, leaving the re-

sult in the accumulator.

Operation

ACC ¬ ACC+[m]+1

Affected flag(s)

TC2

TC1

ÖÖÖÖ

SUBM A,[m]

Subtract data memory from the accumulator.

Description

The specified data memory is subtracted from the contents of the accumulator, leaving the re-

sult in the data memory.

Operation

[m] ¬ ACC+[m]+1

Affected flag(s)

TC2

TC1

ÖÖÖÖ

SUB A,x

Subtract immediate data from the accumulator.

Description

The immediate data specified by the code is subtracted from the contents of the accumulator,

leaving the result in the accumulator.

Operation

ACC ¬ ACC+x+1

Affected flag(s)

TC2

TC1

ÖÖÖÖ

SWAP [m]

Swap nibbles within the data memory.

Description

The low-order and high-order nibbles of the specified data memory (one of the data memo-

ries) are interchanged.

Operation

[m].3~[m].0 « [m].7~[m].4

Affected flag(s)

TC2

TC1

¾¾¾¾¾¾

SWAPA [m]

Swap data memory and place result in the accumulator.

Description

The low-order and high-order nibbles of the specified data memory are interchanged, writing

the result to the accumulator. The contents of the data memory remain unchanged.

Operation

ACC.3~ACC.0 ¬ [m].7~[m].4

ACC.7~ACC.4 ¬ [m].3~[m].0

Affected flag(s)

TC2

TC1

¾¾¾¾¾¾

HT46R23

Rev. 1.30

August 17, 2001

HT46R23 bảng dữ liệu(PDF) 39 Page - Holtek Semiconductor Inc

HT46R23 bảng dữ liệu(HTML) 39 Page - Holtek Semiconductor Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

bảng dữ liệu tải về

Link URL