參數(shù)資料
型號: ST6235BQ1
廠商: 意法半導(dǎo)體
英文描述: 8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, 16-BIT AUTO-RELOAD TIMER, EEPROM, SPI AND UART
中文描述: 8位檢察官辦公室/存儲器與阿微控制器/ D轉(zhuǎn)換器,16位自動重加載定時器,EEPROM中,SPI和UART
文件頁數(shù): 62/82頁
文件大小: 617K
代理商: ST6235BQ1
62/82
ST62T35B/E35B
5.3 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 operand is the Accumulator for LOAD and the
other operand is obtained from data memory us-
ing one of the addressing modes.
For Load Immediate one operand can be any of
the 256 data space bytes while the other is always
immediate data.
Table 19. 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
61
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