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| 型号： | ST6240BQ6/XXX |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | PLASTIC, QFP-80 |
| 文件页数： | 51/73页 |
| 文件大小： | 1963K |
| 代理商： | ST6240BQ6/XXX |
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ST62T40B/E40B
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 using
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 24. 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
ZC
LD A, X
Short Direct
1
4
*
LD A, Y
Short Direct
1
4
*
LD A, V
Short Direct
1
4
*
LD A, W
Short Direct
1
4
*
LD X, A
Short Direct
1
4
*
LD Y, A
Short Direct
1
4
*
LD V, A
Short Direct
1
4
*
LD W, A
Short Direct
1
4
*
LD A, rr
Direct
2
4
*
LD rr, A
Direct
2
4
*
LD A, (X)
Indirect
1
4
*
LD A, (Y)
Indirect
1
4
*
LD (X), A
Indirect
1
4
*
LD (Y), A
Indirect
1
4
*
LDI A, #N
Immediate
2
4
*
LDI rr, #N
Immediate
3
4
*
55
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ST6240-P/QFP | 功能描述:插座和适配器 ST62 P/QFP Adaptor RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x |
| ST6240Q1/XX | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller |
| ST6240Q6/XX | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller |
| ST6242 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER |
| ST6242B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-BIT MICROCONTROLLER ( MCU ) WITH OTP. ROM. FASTROM. EPROM. LCD DRIVER. EEPROM. A/D CONVERTER AND 64 PINS |
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