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ST7LITEUS2 bảng dữ liệu(PDF) 21 Page - STMicroelectronics

tên linh kiện ST7LITEUS2
Giải thích chi tiết về linh kiện  Interrupt management
PDF  136 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7LITEUS2 bảng dữ liệu(HTML) 21 Page - STMicroelectronics

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ST7LITEUS2, ST7LITEUS5
Flash program memory
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In flash devices, this protection is removed by reprogramming the option. In this case,
program memory is automatically erased, and the device can be reprogrammed.
Readout protection selection depends on the device 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 impossible to both overwrite and erase program
memory. Its purpose is to provide advanced security to applications and prevent any change
being made to the memory content.
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 I2C protocol, refer to the ST7 Flash programming
reference manual and to the ST7 I2C protocol reference manual.
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