HT82K68 datasheet(28/40 Pages) HOLTEK

28 / 40 page

DECA [m]

Decrement data memory and place result in the accumulator

Description

Data in the specified data memory is decremented by 1, leaving the result in

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

Operation

ACC ¬ [m] 1

Affected flag(s)

TC2 TC1

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HALT

Enter power down mode

Description

This instruction stops program execution and turns off the system clock. The

contents of the RAM and registers are retained. The WDT and prescaler are

cleared. The power down bit (PD) is set and the WDT time-out bit (TO) is

cleared.

Operation

PC ¬ PC+1

PD ¬ 1

TO ¬ 0

Affected flag(s)

TC2 TC1

¾¾

¾¾¾¾

INC [m]

Increment data memory

Description

Data in the specified data memory is incremented by 1.

Operation

[m] ¬ [m]+1

Affected flag(s)

TC2 TC1

¾Ö¾

INCA [m]

Increment data memory and place result in the accumulator

Description

Data in the specified data memory is incremented by 1, leaving the result in

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

Operation

ACC ¬ [m]+1

Affected flag(s)

TC2 TC1

¾Ö¾

HT82K68E

August 8, 2000

Preliminary

HT82K68 Datasheet(PDF) 28 Page - Holtek Semiconductor Inc

HT82K68 Datasheet(HTML) 28 Page - Holtek Semiconductor Inc

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