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ST10F273E Datasheet(PDF) 32 Page - STMicroelectronics |
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ST10F273E Datasheet(HTML) 32 Page - STMicroelectronics |
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32 / 179 page  Internal Flash memory ST10F273E 32/179 5.4.4 Flash control register 1 high The Flash Control Register 1 High (FCR1H), together with Flash Control Register 1 Low (FCR1L), is used to select the sectors to Erase or, during any write operation, to monitor the status of each sector and bank. FCR1H (0x0E 0006) FCR Reset value: 0000h 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 reserved B1S B0S reserved B1F1 B1F0 RS RS RS RS Table 10. Flash control register 1 high Bit Function B1F(1:0) Bank 1 IFlash sector 1:0 status These bits must be set during a Sector Erase operation to select the sectors to erase in Bank 1. Besides, during any erase operation, these bits are automatically set and give the status of the two sectors of Bank 1 (B1F1-B1F0). The meaning of B1Fy bit for Sector y of Bank 0 is given by the next Table 11 Banks (BxS) and Sectors (BxFy) Status bits meaning. These bits are automatically reset at the end of a Write operation if no errors are detected. B0S Bank 0 status During any erase operation, this bit is automatically modified and gives the status of the Bank 0. The meaning of B0S bit is given in the next Table 11 Banks (BxS) and Sectors (BxFy) Status bits meaning. This bit is automatically reset at the end of a erase operation if no errors are detected. B1S Bank 1 status During any erase operation, this bit is automatically modified and gives the status of the Bank 1. The meaning of B1S bit is given in the next Table 11 Banks (BxS) and Sectors (BxFy) Status bits meaning. This bit is automatically reset at the end of a erase operation if no errors are detected. Table 11. Banks (BxS) and sectors (BxFy) status bits meaning ERR SUSP BxS = 1 meaning BxFy = 1 meaning 1 - Erase error in bank x Erase error in sector y of bank x 0 1 Erase suspended in bank x Erase suspended in sector y of bank x 0 0 Don’t care Don’t care |
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