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PC87591L Datasheet(PDF) 229 Page - National Semiconductor (TI) |
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PC87591L Datasheet(HTML) 229 Page - National Semiconductor (TI) |
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229 / 437 page ![]() Embedded Controller Modules (Continued) Revision 1.07 229 www.national.com Information Block Data Register (IBD) This register holds the data for read or write transaction from/to the Information Block. Byte or word reads and writes to this register are allowed to access a byte or word pointed to by IBA register. Note the program and erase limitations imposed by the flash protection scheme. Location: 00 F88216 Type: R/W Flash Core Write Protect Register 0 (FCWP0) This register controls write protection of the Main Block per 8 Kbyte blocks. It is cleared (0016) on reset. Location: 00 F89016 Type: R/W Bit 15 14 13 12 11 10 9876543210 Name Information Block Data Bit Description 15-0 Information Block Data. Bit 15 14 13 12 11 10 9876543210 Name FC0WP15-0 Reset 0000000000000000 Bit Description 15-0 Core Write Protect. Each bit controls an 8 Kbyte block. For bit i, the block’s start address is i x 00 200016. 0: Program and erase are inhibited for this block 1: Program and erase are allowed for this block Bits within the Core Boot Block and Host Boot Block, as defined by the protection word, are ignored, and the flash memory is always write protected. |
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