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參數(shù)資料
| 型號： | μPD705100 |
| 廠商： | NEC Corp. |
| 英文描述： | 32 Bit Microprocessor(32 位微處理器) |
| 中文描述： | 32位微處理器（32位微處理器） |
| 文件頁數(shù)： | 11/81頁 |
| 文件大?。?/td> | 441K |
| 代理商： | ΜPD705100 |
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11
CONTENTS
CHAPTER 1
INTRODUCTION ...............................................................................................................
15
1.1
OVERVIEW..............................................................................................................
15
1.2
FEATURES ..............................................................................................................
15
1.3
APPLICATIONS.......................................................................................................
16
1.4
ORDERING INFORMATION ...................................................................................
16
1.5
PIN CONFIGURATION ...........................................................................................
17
1.6
BLOCK DIAGRAM...................................................................................................
19
1.7
INTERNAL UNITS ...................................................................................................
20
CHAPTER 2
PIN FUNCTIONS...............................................................................................................
21
2.1
PIN FUNCTIONS.....................................................................................................
21
2.2
EXPLANATION OF PIN FUNCTIONS....................................................................
22
CHAPTER 3
ADDRESS SPACE............................................................................................................
27
3.1
MEMORY SPACE ...................................................................................................
27
3.2
I/O SPACE ...............................................................................................................
29
CHAPTER 4
32-BIT BUS MODE ...........................................................................................................
33
4.1
RELATIONSHIP BETWEEN EXTERNAL ACCESS AND DATA BUS ..................
33
4.1.1
Relationship between External Accesses and Byte Enable Signals .......
33
4.1.2
Operand Read ............................................................................................
34
4.1.3
Operand Write ............................................................................................
35
4.2
BUS CYCLES ..........................................................................................................
36
4.2.1
Bus States ..................................................................................................
36
4.2.2
Memory Access and I/O Access ...............................................................
38
4.3
CONTROL SIGNAL TIMING ...................................................................................
42
4.3.1
Bus Lock .....................................................................................................
42
4.3.2
Bus Hold .....................................................................................................
43
4.4
WRITE BUFFER......................................................................................................
44
CHAPTER 5
16-BIT BUS MODE ...........................................................................................................
45
5.1
16-BIT BUS SIZING ................................................................................................
45
5.1.1
Byte/Halfword Access ................................................................................
45
5.1.2
Word Access ..............................................................................................
46
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