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参数资料
| 型号： | ST7FL09Y0MBE |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16 |
| 封装： | 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-16 |
| 文件页数： | 11/104页 |
| 文件大小： | 2151K |
| 代理商： | ST7FL09Y0MBE |
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Obsolete
Product(s)
- Obsolete
Product(s)
ST7L05, ST7L09
14/104
FLASH PROGRAM MEMORY (Cont’d)
4.5 MEMORY PROTECTION
Two different types of memory protection exist:
Read-out Protection and Write/Erase Protection,
which are applied individually.
4.5.1 Read-out Protection
Read-out protection, when selected provides a
protection against program memory content ex-
traction and against write access to Flash memo-
ry. Even if no protection is 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 is 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
.
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 4. Flash Register Map and Reset Values
70
00
0
OPT
LAT
PGM
Address
(Hex.)
Register
Label
765
43210
002Fh
FCSR
Reset Value
000
00
OPT
0
LAT
0
PGM
0
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ST7FL15F1MAE | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI |
| ST7FL15F1MARE | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI |
| ST7FL15F1MATRE | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI |
| ST7FL15F1MCE | 制造商:STMicroelectronics 功能描述: |
| ST7FL15F1MCRE | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI |
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