參數(shù)資料
型號: μPD75F4246(A)
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機微控制器
文件頁數(shù): 9/143頁
文件大?。?/td> 549K
代理商: ΜPD75F4246(A)
– i –
CONTENTS
CHAPTER 1
1.1
GENERAL ................................................................................................................
Differences between
μ
PD75F4264/75F4264A and
μ
PD754202/754144/754244/
754264..............................................................................................................................
1.1.1
Differences between
μ
PD75F4264 and
μ
PD75F4264A ................................................
1
1
1
CHAPTER 2
2.1
2.2
2.3
BASIC FORMAT ......................................................................................................
Flow Chart of Write Operation.....................................................................................
Initial Settings ................................................................................................................
Ways to Switch to Power On/Write Mode ..................................................................
2.3.1
Switching to power on/write mode ..................................................................................
Synchronization Detection Processing......................................................................
2.4.1
Initialization wait time ......................................................................................................
2.4.2
Synchronization check processing..................................................................................
Setup Processing for Oscillation Frequency and Erase Time................................
Write Processing ...........................................................................................................
List of Commands .........................................................................................................
Power Off Processing ...................................................................................................
Connection to
μ
PD75F4264 ..........................................................................................
5
5
6
7
7
9
9
9
2.4
2.5
2.6
2.7
2.8
2.9
10
10
12
13
14
CHAPTER 3
3.1
WRITE SEQUENCE.................................................................................................
Write Sequence ..............................................................................................................
3.1.1
Reset command ...............................................................................................................
3.1.2
Oscillation frequency setting command..........................................................................
3.1.3
Erase time setting command...........................................................................................
3.1.4
Erase command ...............................................................................................................
3.1.5
Write command ................................................................................................................
3.1.6
Verify command ...............................................................................................................
3.1.7
Blank check command ....................................................................................................
3.1.8
EEPROM read command ................................................................................................
3.1.9
Silicon signature read command.....................................................................................
3.1.10
Status check command ...................................................................................................
15
15
15
16
17
18
19
21
22
23
25
27
CHAPTER 4
4.1
4.2
SAMPLE PROGRAMS ............................................................................................
Description of Configuration for Processing ............................................................
Description of RAM .......................................................................................................
4.2.1
RAM map .........................................................................................................................
4.2.2
Description of RAM..........................................................................................................
4.2.3
Nomenclature related to processing and RAM ..............................................................
Description of Modules.................................................................................................
Description of Macro Instructions ..............................................................................
Sample Programs ..........................................................................................................
4.5.1
Main processing ...............................................................................................................
4.5.2
Initialization ......................................................................................................................
4.5.3
Switch to power on/write mode .......................................................................................
29
29
30
30
31
33
34
36
37
38
43
46
4.3
4.4
4.5
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