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| 型號(hào)： | HD404339FS |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-bit HMCS400-Series microcomputer with large-capacity memory |
| 中文描述： | 4位HMCS400系列的大容量存儲(chǔ)器微機(jī) |
| 文件頁(yè)數(shù)： | 14/78頁(yè) |
| 文件大?。?/td> | 337K |
| 代理商： | HD404339FS |
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HD404339 Series
14
Addressing Modes
RAM Addressing Modes
Register Indirect Addressing Mode:
The contents of the W, X, and Y registers (10 bits total) are used as
a RAM address.
Direct Addressing Mode:
A direct addressing instruction consists of two words. The first word contains
the opcode, and the contents of the second word (10 bits) are used as a RAM address.
Memory Register Addressing Mode (LAMR, XMRA):
The memory registers (MR), which are located
in 16 addresses from $040 to $04F, are accessed with the LAMR and XMRA instructions.
0
0
9
9
Opcode
Register Indirect Addressing
2nd instruction
word
RAM address
Direct Addressing
Instruction
9
0
0
9
RAM address
1st instruction
word
3
7
3
0
Memory Register Addressing
0
9
RAM address 0 0 0 1 0 0
Opcode
Instruction
3
0 3
0
0
1
W
X
Y
Figure 7 RAM Addressing Modes
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| HD4043312FS | 4-bit HMCS400-Series microcomputer with large-capacity memory |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD404339S | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-bit HMCS400-Series microcomputer with large-capacity memory |
| HD404339SERIES | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述: |
| HD404341FP | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:4-Bit Microcontroller |
| HD404341FT | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:4-Bit Microcontroller |
| HD404341R | 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-bit microcomputers |
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