HT47C20L datasheet(45/55 Pages) HOLTEK

45 / 55 page

OR A,[m]

Logical OR accumulator with data memory

Description

Data in the accumulator and the specified data memory (one of the data

memories) performs a bitwise logical_OR operation. The result is stored

in the accumulator.

Operation

ACC ¬ ACC ²OR² [m]

Affected flag(s)

TC2 TC1

¾Ö¾

OR A,x

Logical OR immediate data to accumulator

Description

Data in the accumulator and the specified data performs a bitwise logi-

cal_OR operation. The result is stored in the accumulator.

Operation

ACC ¬ ACC ²OR² x

Affected flag(s)

TC2 TC1

¾Ö¾

ORM A,[m]

Logical OR data memory with accumulator

Description

Data in the data memory (one of the data memories) and the accumula-

tor performs a bitwise logical_OR operation. The result is stored in the

data memory.

Operation

[m] ¬ ACC ²OR² [m]

Affected flag(s)

TC2 TC1

¾Ö¾

RET

Return from subroutine

Description

The program counter is restored from the stack. This is a two-cycle in-

struction.

Operation

PC ¬ Stack

Affected flag(s)

TC2 TC1

¾¾¾¾¾¾

HT47C20L

January 18, 2000

HT47C20L Datasheet(PDF) 45 Page - Holtek Semiconductor Inc

HT47C20L Datasheet(HTML) 45 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 43 44 45 46 47 48 49 50 51 52 53 54 55

Datasheet Download

Link URL