HTG1390 datasheet(21/27 Pages) HOLTEK

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MOV A,TMRH

Move timer high nibble to accumulator

Machine code

0 0 1 1 1 0 1 1

Description

The high nibble data of the timer counter is loaded to the accumulator.

Operation

ACC

← TIMER (high nibble)

MOV A,TMRL

Move timer low nibble to accumulator

Machine code

0 0 1 1 1 0 1 0

Description

The low nibble data of the timer counter is loaded to the accumulator.

Operation

ACC

← TIMER (low nibble)

MOV A,XH

Move immediate data to accumulator

Machine code

0 1 1 1 d d d d

Description

The 4-bit data specified by the code is loaded to the accumulator.

Operation

ACC

← XH

MOV A,[R1R0]

Move data memory to accumulator

Machine code

0 0 0 0 0 1 0 0

Description

Data in the data memory specified by the register pair “R1,R0” is moved to

the accumulator.

Operation

ACC

← M(R1,R0)

MOV A,[R3R2]

Move data memory to accumulator

Machine code

0 0 0 0 0 1 1 0

Description

Data in the data memory specified by the register pair “R3,R2” is moved to

the accumulator.

Operation

ACC

← M(R3,R2)

MOV R1R0,XXH

Move immediate data to R1 and R0

Machine code

0 1 0 1 d d d d

0 0 0 0 d d d d

Description

The 8-bit data specified by the code is loaded to the working registers R1

and R0, the high nibble of the data is loaded to R1, and the low nibble to

R0.

Operation

← XH (high nibble)

← XH (low nibble)

MOV R3R2,XXH

Move immediate data to R3 and R2

Machine code

0 1 1 0 d d d d

0 0 0 0 d d d d

Description

The 8-bit data specified by the code is loaded to the working registers R3

and R2, the high nibble of the data is loaded to R3, and the low nibble to

R2.

Operation

← XH (high nibble)

← XH (low nibble)

HTG1390

Preliminary

17th Nov ’98

HTG1390 Fiches technique(PDF) 21 Page - Holtek Semiconductor Inc

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