參數(shù)資料
型號: HCD404669
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機)
中文描述: 低電壓如同在微機芯片的DTMF產(chǎn)生電路(帶雙音多頻電路的低電壓微計算機)
文件頁數(shù): 114/142頁
文件大?。?/td> 894K
代理商: HCD404669
HD404669 Series
114
ROM Addressing Modes and the P Instruction
The MCU has four ROM addressing modes, as shown in figure 86 and described below.
d
9
d
8
d
7
d
6
d
5
d
4
d
3
d
2
d
1
d
0
2nd word of instruction
Opcode
1st word of instruction
[JMPL]
[BRL]
[CALL]
PC
9
PC
8
PC
7
PC
6
PC
5
PC
4
PC
3
PC
2
PC
1
PC
0
PC
PC
PC
PC
10
11
12
13
Program counter
Direct Addressing
Zero Page Addressing
d
5
d
4
d
3
d
2
d
1
d
0
Instruction
[CAL]
Opcode
PC
9
8
PC
7
6
PC
5
4
PC
3
PC
1
PC
0
PC
PC
10
11
12
13
Program counter
0
0
0
0
0
0
0
0
PC
PC
PC
PC
PC
PC
2
B
1
B
0
A
3
A
2
A
1
A
0
Accumulator
Program counter
Table Data Addressing
PC
9
PC
8
PC
7
PC
6
PC
5
PC
4
PC
3
PC
2
PC
1
PC
0
PC
PC
PC
10
11
12
13
B
2
B
3
B register
p
3
p
0
[TBR]
Instruction
Opcode
0
0
p
2
p
1
PC
Opcode
b
7
b
6
b
5
b
4
b
3
b
2
b
1
b
0
Instruction
PC
9
0
PC
PC
PC
11
12
13
Program counter
Current Page Addressing
[BR]
PC
10
7
PC
6
PC
5
PC
4
PC
3
PC
2
PC
1
PC
PC
8
PC
p
0
p
1
p
2
p
3
Figure 86 ROM Addressing Modes
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