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参数资料
| 型号： | MC68HC11ED0CFN2 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, 2 MHz, MICROCONTROLLER, PQCC44 |
| 封装： | PLASTIC, LCC-44 |
| 文件页数： | 35/108页 |
| 文件大小： | 1672K |
| 代理商： | MC68HC11ED0CFN2 |
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Technical Summary
MC68HC11ED0 — Rev. 1.0
Central Processor Unit (CPU)
Central Processor Unit (CPU)
would be available if the range of values were restricted to the number
able to be expressed in 8-bit binary numbers.
A 4-page opcode map has been implemented to expand the number of
instructions. An additional byte, called a prebyte, directs the processor
from page 0 of the opcode map to one of the other three pages. As its
name implies, the additional byte precedes the opcode.
A complete instruction consists of a prebyte, if any, an opcode, and zero,
one, two, or three operands. The operands contain information the CPU
needs for executing the instruction. Complete instructions can be from
one to five bytes long.
3.6 Addressing Modes
Six addressing modes can be used to access memory:
Immediate
Direct
Extended
Indexed
Inherent
Relative
These modes are detailed in the following paragraphs. All modes except
inherent mode use an effective address. The effective address is the
memory address from which the argument is fetched or stored or the
address from which execution is to proceed. The effective address can
be specified within an instruction, or it can be calculated.
3.6.1 Immediate
In the immediate addressing mode, an argument is contained in the
byte(s) immediately following the opcode. The number of bytes following
the opcode matches the size of the register or memory location being
operated on. There are 2-, 3-, and 4- (if prebyte is required) byte
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For More Information On This Product,
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC68HC11ED0CFN3 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Technical Summary |
| MC68HC11ED0CFU2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Technical Summary |
| MC68HC11ED0CFU3 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Technical Summary |
| MC68HC11ED0CP2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Technical Summary |
| MC68HC11ED0CP3 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Technical Summary |
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