參數(shù)資料
型號: ST63T69B1
廠商: 意法半導(dǎo)體
英文描述: 8-BIT HCMOS MCU FOR DIGITAL CONTROLLED MULTI FREQUENCYMONITOR
中文描述: 8位HCMOS單片機(jī)的數(shù)控多FREQUENCYMONITOR
文件頁數(shù): 48/71頁
文件大?。?/td> 584K
代理商: ST63T69B1
SOFTWARE DESCRIPTION
(Continued)
InstructionSet
The ST6369 Core has a set of 40 basic instruc-
tions. When these instructions are combined with
nine addressing modes,244 usabl e opcodes can
be obtained.They can be dividedinto six different
types:l oad/store, arithmetic/l ogic, conditional
branch, control instructions, jump/call , bit ma-
nipul ation.Thefol l owing paragraphsdescribethe
different types.
Al l the instructions within a given type are pre-
sented in individual tabl es.
Load & Store.
These instructions use one,two or
three bytes in rel ation with the addressing mode.
One operandisthe Accumul ator forLOAD andthe
other operand isobtained fromdata memoryusing
one of the addressing modes.
ForLoad Immediateoneoperandcanbeanyofthe
256 data space bytes whil e the other is al ways
immediate data. See Table 12.
Instruction
Addressing Mode
Bytes
Cycles
Flags
Z
C
LD A, X
LD A, Y
LD A, V
LD A, W
LD X, A
LD Y, A
LD V,A
LD W, A
LD A, rr
LD rr, A
LD A, (X)
LD A, (Y)
LD (X), A
LD (Y), A
Short Direct
Short Direct
Short Direct
Short Direct
Short Direct
Short Direct
Short Direct
Short Direct
Direct
Direct
Indirect
Indirect
Indirect
Indirect
1
1
1
1
1
1
1
1
4
4
4
4
4
4
4
4
*
*
*
*
*
*
*
*
*
*
*
*
*
*
2
2
4
4
1
1
1
1
4
4
4
4
LDI A, #N
LDI rr,#N
Immediate
Immediate
2
3
4
4
*
*
*
Notes:
X,Y.IndirectRegister Pointers,V & W ShortDirect Registers
# . Immediate data (stored inROM memory)
rr.
Data space register
. Affected
* . NotAffected
Table 12. Load& Store Instructions
ST6369
44/67
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