HTG1390 データシートの表示（PDF） - Holtek Semiconductor
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HTG1390 Datasheet PDF : 27 Pages
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MOV A,TMRH
Machine code
Description
Operation
MOV A,TMRL
Machine code
Description
Operation
MOV A,XH
Machine code
Description
Operation
MOV A,[R1R0]
Machine code
Description
Operation
MOV A,[R3R2]
Machine code
Description
Operation
MOV R1R0,XXH
Machine code
Description
Operation
MOV R3R2,XXH
Machine code
Description
Operation
Preliminary
HTG1390
Move timer high nibble to accumulator
00111011
The high nibble data of the timer counter is loaded to the accumulator.
ACC ← TIMER (high nibble)
Move timer low nibble to accumulator
00111010
The low nibble data of the timer counter is loaded to the accumulator.
ACC ← TIMER (low nibble)
Move immediate data to accumulator
0111dddd
The 4-bit data specified by the code is loaded to the accumulator.
ACC ← XH
Move data memory to accumulator
00000100
Data in the data memory specified by the register pair “R1,R0” is moved to
the accumulator.
ACC ← M(R1,R0)
Move data memory to accumulator
00000110
Data in the data memory specified by the register pair “R3,R2” is moved to
the accumulator.
ACC ← M(R3,R2)
Move immediate data to R1 and R0
0101dddd 0000dddd
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.
R1 ← XH (high nibble)
R0 ← XH (low nibble)
Move immediate data to R3 and R2
0110dddd 0000dddd
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.
R3 ← XH (high nibble)
R2 ← XH (low nibble)
21
17th Nov ’98
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