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| 型號： | ST7LITE10F1M6 |
| 英文描述： | FUSE PULLER/TESTERFUSE PULLER/TESTER; Depth, external:15mm; Length:60mm; Voltage rating, AC:24V; Voltage rating, DC:24V; Width, external:20mm |
| 中文描述： | ST7LITE1 - 8單電壓閃存EEPROM的MEMORY.DATA位MCU。 ADC的。 4定時器。的SPI |
| 文件頁數(shù)： | 14/122頁 |
| 文件大小： | 1716K |
| 代理商： | ST7LITE10F1M6 |
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ST7LITE0, ST7SUPERLITE
14/122
1
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
Read out protection, when selected, makes it im-
possible to extract the memory content from the
microcontroller, thus preventing piracy. Both pro-
gram and data E
2
memory are protected.
In flash devices, this protection is removed by re-
programming the option. In this case, both pro-
gram and data E
2
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 E
2
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
7
0
0
0
0
0
0
OPT
LAT
PGM
Address
(Hex.)
Register
Label
7
6
5
4
3
2
1
0
002Fh
FCSR
Reset Value
0
0
0
0
0
OPT
0
LAT
0
PGM
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST7LITE15F1B6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ST7LITE1 - 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY.DATA EEPROM. ADC. 4 TIMERS. SPI |
| ST7LITE15F1M6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ST7LITE1 - 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY.DATA EEPROM. ADC. 4 TIMERS. SPI |
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| ST7LITE19F1M6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ST7LITE1 - 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY.DATA EEPROM. ADC. 4 TIMERS. SPI |
| ST7LITE1XB | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 5 TIMERS, SPI |
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