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參數資料
| 型號： | MAS281 |
| 廠商： | Dynex Semiconductor Ltd. |
| 英文描述： | MIL-STD-1750A Microprocessor |
| 中文描述： | 符合MIL - STD - 1750A微處理器 |
| 文件頁數： | 18/55頁 |
| 文件大小： | 551K |
| 代理商： | MAS281 |
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MAS281
18/55
Figure 9: Register Set Model
Figure 10: Data Formats
4.2.4 IMMEDIATE LONG (IM, IMX)
There are two formats which implement Immediate Long
Addressing; one allows indexing and one does not. For the
indexable form, if the specified index register, RX, is not equal
to zero, the contents of RX are added to the immediate field to
form the required operand; otherwise, the immediate field
contains the required operand.
4.2.5 IMMEDIATE SHORT (IS)
In this mode the required 4-bit operand is contained within
the 16-bit instruction. The Immediate Short addressing mode
accommodates two formats; one which interprets the contents
of the immediate field as positive data and the other which
interprets the contents of the immediate field as a negative
data.
4.2.5.1 IMMEDIATE SHORT POSITIVE (ISP)
The immediate operand is treated as a positive integer
between 1 and 16.
4.2.5.2 IMMEDIATE SHORT NEGATIVE (ISN)
The immediate operand is treated as a negative integer
between -1 and -16. Its internal form is a two’s complement,
sign-extended 16-bit number.
4.2.6 INSTRUCTION COUNTER RELATIVE (ICR)
This addressing mode is used for 16-bit branch
instructions. The contents of the instruction counter minus two
(the address of the current instruction) is added to the sign-
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相關代理商/技術參數 |
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| MAS2901CB | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:RADIATION HARD 4-BIT MICROPROCESSOR SLICE |
| MAS2901CC | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:RADIATION HARD 4-BIT MICROPROCESSOR SLICE |
| MAS2901CD | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:RADIATION HARD 4-BIT MICROPROCESSOR SLICE |
| MAS2901CE | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:RADIATION HARD 4-BIT MICROPROCESSOR SLICE |
| MAS2901CL | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:RADIATION HARD 4-BIT MICROPROCESSOR SLICE |
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