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參數(shù)資料
| 型號(hào)： | HD404342R |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-bit HMCS400-series microcomputer(4位單片微計(jì)算機(jī)) |
| 中文描述： | 4位HMCS400系列微電腦（4位單片微計(jì)算機(jī)） |
| 文件頁(yè)數(shù)： | 82/100頁(yè) |
| 文件大?。?/td> | 610K |
| 代理商： | HD404342R |
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HD404344R Series/HD404394 Series
82
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:
The memory registers (MR), which are located in 16 digits from
$040 to $04F, are accessed with the LAMR and XMRA instructions.
ROM Addressing Modes
Direct Addressing Mode:
A program can branch to any address in ROM memory space by executing the
JMPL, BRL, or CALL instruction.
3
0 3
0
0
0
0
9
9
1
W
X
Y
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
Figure 62 RAM Addressing Modes
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD404344R | 4-bit HMCS400-series microcomputer(4位單片微計(jì)算機(jī)) |
| HD404391S | 4-bit HMCS400-series microcomputer(4位單片微計(jì)算機(jī)) |
| HD404392S | 4-bit HMCS400-series microcomputer(4位單片微計(jì)算機(jī)) |
| HD404341R | 4-bit HMCS400-series microcomputer(4位單片微計(jì)算機(jī)) |
| HD404394S | 4-bit HMCS400-series microcomputer(4位單片微計(jì)算機(jī)) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD404342RFP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
| HD404342RFT | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit microcomputers |
| HD404342RS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
| HD404342S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
| HD404344 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:ELECTRICAL SPECIFICATIONS |
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