參數(shù)資料
型號: MC68HC705J1AVDWR2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO20
封裝: SOIC-20
文件頁數(shù): 109/162頁
文件大?。?/td> 1517K
代理商: MC68HC705J1AVDWR2
Technical Data
MC68HC705J1A — Rev. 3.0
50
Central Processor Unit (CPU)
MOTOROLA
Central Processor Unit (CPU)
3.6 Instruction Set
The MCU instruction set has 62 instructions and uses eight addressing
modes.
3.6.1 Addressing Modes
The CPU uses eight addressing modes for flexibility in accessing data.
The addressing modes provide eight different ways for the CPU to find
the data required to execute an instruction. The eight addressing modes
are:
Inherent
Immediate
Direct
Extended
Indexed, no offset
Indexed, 8-bit offset
Indexed, 16-bit offset
Relative
3.6.1.1 Inherent
Inherent instructions are those that have no operand, such as return
from interrupt (RTI) and stop (STOP). Some of the inherent instructions
act on data in the CPU registers, such as set carry flag (SEC) and
increment accumulator (INCA). Inherent instructions require no operand
address and are one byte long.
3.6.1.2 Immediate
Immediate instructions are those that contain a value to be used in an
operation with the value in the accumulator or index register. Immediate
instructions require no operand address and are two bytes long. The
opcode is the first byte, and the immediate data value is the second byte.
相關PDF資料
PDF描述
MC68HC705J2VP 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP20
MC68HC705J2P 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP20
MC68HC705J2S 8-BIT, UVPROM, 2.1 MHz, MICROCONTROLLER, CDIP20
MC68HC705JP7S 8-BIT, UVPROM, 2.1 MHz, MICROCONTROLLER, CDIP28
MC68HRC705JP7CP 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP28
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