HTG2190 datasheet(40/50 Pages) HOLTEK

40 / 50 page

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+1

¬ 1

¬ 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 accumula-

tor. The contents of the data memory remain unchanged.

Operation

ACC

¬ [m]+1

Affected flag(s)

TC2

TC1

¾Ö¾

JMP addr

Directly jump

Description

The program counter are replaced with the directly-specified address unconditionally, and

control is passed to this destination.

Operation

¬addr

Affected flag(s)

TC2

TC1

¾¾¾¾¾¾

MOV A,[m]

Move data memory to the accumulator

Description

The contents of the specified data memory are copied to the accumulator.

Operation

ACC

¬ [m]

Affected flag(s)

TC2

TC1

¾¾¾¾¾¾

HTG2190

Rev. 1.20

July 5, 2002

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