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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ST7LITE49K2 데이터시트(PDF) 232 Page - STMicroelectronics |
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ST7LITE49K2 데이터시트(HTML) 232 Page - STMicroelectronics |
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232 / 245 page  Device configuration and ordering information ST7LITE49K2 232/245 Bit 1 = FMP_R Read-out protection Read-Out Protection, when selected provides a protection against program memory content extraction and against write access to Flash memory. Erasing the option bytes when the FMP_R option is selected will cause the whole memory to be erased first, and the device can be reprogrammed. Refer to Section 4.5 on page 28 and the ST7 Flash Programming Reference Manual for more details. 0: Read-Out Protection off 1: Read-Out Protection on Bit 0 = FMP_W Flash write protection This option indicates if the Flash program memory is write protected. 0: Write protection off 1: Write protection on Warning: When the Flash write protection is selected, the program memory (and the option bit itself) can never be erased or programmed again. Table 109. Configuration of sector size Sector 0 Size SEC1 SEC0 0.5k 00 1k 01 2k 10 4k 11 Option byte 0 70 Option byte 1 70 AWU CK OSCRANGE[2:0] SEC 1 SEC 0 FMP R FMP W CK SEL1 CK SEL0 Res PLL 32 OFF LVD1 LVD0 WDG SW WDG HALT Default value 1 1 1 1 1 1 0 0 0 0 1 1 1 1 1 1 |
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