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參數(shù)資料
| 型號： | ST7PLITE02Y0B6 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-16 |
| 文件頁數(shù)： | 33/125頁 |
| 文件大?。?/td> | 1956K |
| 代理商： | ST7PLITE02Y0B6 |
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ST7LITE0x, ST7LITESx
15/125
FLASH PROGRAM MEMORY (Cont’d)
4.5 Memory Protection
There are two different types of memory protec-
tion: Read Out Protection and Write/Erase Protec-
tion which can be applied individually.
4.5.1 Read out Protection
Readout protection, when selected provides a pro-
tection against program memory content extrac-
tion and against write access to Flash memory.
Even if no protection can be considered as totally
unbreakable, the feature provides a very high level
of protection for a general purpose microcontroller.
Both program and data E2 memory are protected.
In flash devices, this protection is removed by re-
programming the option. In this case, both pro-
gram and data E2 memory are automatically
erased, and the device can be reprogrammed.
Read-out protection selection depends on the de-
vice type:
– In Flash devices it is enabled and removed
through the FMP_R bit in the option byte.
– In ROM devices it is enabled by mask option
specified in the Option List.
4.5.2 Flash Write/Erase Protection
Write/erase protection, when set, makes it impos-
sible to both overwrite and erase program memo-
ry. It does not apply to E2 data. Its purpose is to
provide advanced security to applications and pre-
vent any change being made to the memory con-
tent.
Warning: Once set, Write/erase protection can
never be removed. A write-protected flash device
is no longer reprogrammable.
Write/erase protection is enabled through the
FMP_W bit in the option byte.
4.6 Related Documentation
For details on Flash programming and ICC proto-
col, refer to the ST7 Flash Programming Refer-
ence Manual and to the ST7 ICC Protocol Refer-
ence Manual
.
4.7 Register Description
FLASH CONTROL/STATUS REGISTER (FCSR)
Read/Write
Reset Value: 000 0000 (00h)
1st RASS Key: 0101 0110 (56h)
2nd RASS Key: 1010 1110 (AEh)
Note: This register is reserved for programming
using ICP, IAP or other programming methods. It
controls the XFlash programming and erasing op-
erations.
When an EPB or another programming tool is
used (in socket or ICP mode), the RASS keys are
sent automatically.
Table 3. FLASH Register Map and Reset Values
70
0
000
0
OPT
LAT
PGM
Address
(Hex.)
Register
Label
76543
210
002Fh
FCSR
Reset Value
00000
OPT
0
LAT
0
PGM
0
1
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PDF描述 |
|---|---|
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| ST7PLITE05Y0B3 | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP16 |
| ST7FLITE09Y0B3 | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP16 |
| ST7PLU09MCTRE | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO8 |
| ST7PLU05MAE | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO8 |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST7PLITE02Y0B6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, timers, SPI |
| ST7PLITE02Y0M6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, timers, SPI |
| ST7PLITE02Y0M6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, timers, SPI |
| ST7PLITE02Y0U6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, timers, SPI |
| ST7PLITE02Y0U6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, timers, SPI |
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