參數(shù)資料
型號: ST623X-EMU2
廠商: 意法半導(dǎo)體
英文描述: REAL TIME EMULATION DEVELOPMENT TOOLS FOR ST6 MCU FAMILY
中文描述: 實(shí)時仿真開發(fā)工具,ST6單片機(jī)系列
文件頁數(shù): 67/86頁
文件大小: 531K
代理商: ST623X-EMU2
67/86
ST62T30B ST62E30B
6.3 INSTRUCTION SET
The ST6 core offers a set of 40 basic instructions
which, when combined with nine addressing
modes, yield 244 usable opcodes. They can be di-
vided into six different types: load/store, arithme-
tic/logic, conditional branch, control instructions,
jump/call, and bit manipulation. The following par-
agraphs describe the different types.
All the instructions belonging to a given type are
presented in individual tables.
Load & Store
. These instructions use one, two or
three bytes in relation with the addressing mode.
One operandis the Accumulator for LOAD and the
other operand is obtained fromdata memory using
one of the addressing modes.
For Load Immediate one operand can be any of
the 256 data space bytes while theother is always
immediate data.
Table 21. Load & Store Instructions
Notes:
X,Y. Indirect Register Pointers, V & W Short Direct Registers
# .
Immediate data (stored in ROM memory)
rr.
Data space register
.
Affected
* .
Not Affected
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
LDI A, #N
LDI rr, #N
Short Direct
Short Direct
Short Direct
Short Direct
Short Direct
Short Direct
Short Direct
Short Direct
Direct
Direct
Indirect
Indirect
Indirect
Indirect
Immediate
Immediate
1
1
1
1
1
1
1
1
2
2
1
1
1
1
2
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
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