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TMP89FS60 Datasheet(PDF) 352 Page - Toshiba Semiconductor |
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TMP89FS60 Datasheet(HTML) 352 Page - Toshiba Semiconductor |
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352 / 410 page ![]() Page 338 22. Serial PROM Mode 22.8 Operation Commands TMP89FS60 RA002 22.8.1.1 Specifying the erase area The flash memory erase command is used to specify an area in flash memory to be erased at n-th-2 byte; specifically, ERASEC is used to specify the address of an area to be erased. If data of less than 0x20 is specified, Sector Erase (erasing flash memory in 4K-byte units) is executed.. Executing Sector Erase with 0xFFFA memory set to "0xFF" or with the security program enabled will cause the device to go into an infinite loop state. If data of more than 0x20 is specified, Chip Erase (total erasure of flash memory) is executed, and the security program in flash memory is disabled. Therefore, to disable the security program in flash memory, execute Chip Erase, not Sector Erase. Erase area specification data (data at n-th-2 bytes) 765 43210 ERASEC ERASEC Erase area start address 0x00 Reserved 0x01 0x1000 - 0x1FFF 0x02 0x2000 - 0x2FFF 0x03 0x3000 - 0x3FFF 0x04 0x4000 - 0x4FFF 0x05 0x5000 - 0x5FFF 0x06 0x6000 - 0x6FFF 0x07 0x7000 - 0x7FFF 0x08 0x8000 - 0x8FFF 0x09 0x9000 - 0x9FFF 0x0A 0xA000 - 0xAFFF 0x0B 0xB000 - 0xBFFF 0x0C 0xC000 - 0xCFFF 0x0D 0xD000 - 0xDFFF 0x0E 0xE000 - 0xEFFF 0x0F 0xF000 - 0xFFFF 0x10 Reserved 0x11 Reserved 0x12 Reserved 0x13 Reserved 0x14 Reserved 0x15 Reserved 0x16 Reserved 0x17 Reserved 0x18 Reserved 0x19 Reserved 0x1A Reserved 0x1B Reserved 0x1C Reserved 0x1D Reserved 0x1E Reserved 0x1F Reserved 0x20 or more Chip Erase (erasure of the entire area) |
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