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參數(shù)資料
| 型號(hào)： | MB90456S |
| 廠商： | Fujitsu Limited |
| 英文描述： | 16-bit Proprietary Microcontroller |
| 中文描述： | 16位微控制器專有 |
| 文件頁(yè)數(shù)： | 52/78頁(yè) |
| 文件大?。?/td> | 680K |
| 代理商： | MB90456S |
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MB90455 Series
52
14. 192 K/256 K/512 Kbit Flash Memory Outline
The following three methods are provided for data writing and deleting on flash memory:
1. Parallel writer
2. Serial special-purpose writer
3. Writing/deleting by program execution
192 K/256 K/512 Kbit flash memory outline
The 192 K/256 K/512K-bit flash memory is allocated on FF
H
bank of CPU memory map. Using the function of
flash memory interface circuit, the memory allows read access and program access from CPU.
Writing/deleting on flash memory is performed by instruction from CPU via flash memory interface. Because
rewriting is allowed on mounted memory, modifying program and data is performed efficiently.
Features of 192 K/256 K/512 Kbit flash memory
Dividing into many sectors
Automatic program algorithm (Embedded Algorithm
TM
: Similar to MBM29LV200.)
Built-in deletion pause/deletion resume function
Detection of completed writing/deleting by data polling and toggle bits.
Detection of completed writing/deleting by CPU interrupt.
Deletion is allowed on a sector-by-sector basis (sectors are combined freely).
Number of writing/deleting operations (minimum): 10,000 times
Sector protection
Extended sector protection
Temporary sector unprotection
Embedded Algorithm
TM
is a registered trademark of Advanced Micro Device.
Note : A function of reading manufacture code and device code is not provided. These codes are not accessible
by command either.
Flash memory writing/deleting
Writing and reading data is not allowed simultaneously on the flash memory.
Data writing and deleting on the flash memory is performed by the processes as follows: Make a copy of
program on flash memory onto RAM. Then, execute the program copied on the RAM.
List of registers and reset values in flash memory
0
0
0
0
0
X
0
0
7
6
bit
5
4
3
2
1
0
×
: Undefined
Flash memory control status register (FMCS)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB90456SPMT | 16-bit Proprietary Microcontroller |
| MB90457PMT | 16-bit Proprietary Microcontroller |
| MB90457S | 16-bit Proprietary Microcontroller |
| MB90457SPMT | 16-bit Proprietary Microcontroller |
| MB90F455 | 16-bit Proprietary Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB90456SPMT | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90457 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller |
| MB90457PMT | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90457S | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90457SPMT | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
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