【文章內(nèi)容簡介】 e corresponding index status bits Texas Instruments Proprietary and Confidential Texas Instruments Internal Data 29 November 2020 13 Flash EEPROM Emulation Methodology – Link List Address Sector 1 0x0000 Sector Status (active) Index record (nBytes) 0x0008 0xFFFF 0001 FF valid record 1 0x0010 0xFFFF 0002 FF valid record 2 0x0018 valid record 2 valid record 2 0x0020 0xFFFF 0004 FF valid record 4 0x0028 0xFFFF 0005 FF valid record 5 0x0030 0xFFFF 0006 FF valid record 6 ... ... ... 0x0100 0xFFFF 0001 FF valid record 1 0x0108 0xFFFF FFFF FF empty 0x0110 0xFFFF FFFF FF empty 0x0118 0xFFFF FFFF FF empty ... ... ... 0x1000 0xFFFF FFFF FF empty 0x1008 0xFFFF FFFF FF empty 0x1010 0xFFFF FFFF FF empty 0x1018 0xFFFF FFFF FF empty New version of record 1 Pointer Same record Texas Instruments Proprietary and Confidential Texas Instruments Internal Data 29 November 2020 14 Flash EEPROM Emulation Methodology – Link List Address Sector 1 0x0000 Sector Status (active) Index record (nBytes) 0x0008 0x0100 0001 ecc old record 1 0x0010 0xFFFF 0002 FF valid record 2 0x0018 valid record 2 valid record 2 0x0020 0xFFFF 0004 FF valid record 4 0x0028 0xFFFF 0005 FF valid record 5 0x0030 0xFFFF 0006 FF valid record 6 ... ... ... 0x0100 0xFFFF 0001 FF valid record 1 0x0108 0xFFFF FFFF FF empty 0x0110 0xFFFF FFFF FF empty 0x0118 0xFFFF FFFF FF empty ... ... ... 0x1000 0xFFFF FFFF FF empty 0x1008 0xFFFF FFFF FF empty 0x1010 0xFFFF FFFF FF empty 0x1018 0xFFFF FFFF FF empty Update index with link to new version of record Previous version of record is invalid 14bit address offset points to new 64bit aligned address, giving 128KB EEPROM address space. Texas Instruments Proprietary and Confidential Texas Instruments Internal Data 29 November 2020 15 Flash EEPROM Emulation Methodology – Link List Address Sector 1 0x0000 Sector Status (active) Index record (nBytes) 0x0008 0x0100 0001 ecc old record 1 0x0010 0x1008 0002 ecc old record 2 0x0018 old record 2 old record 2 0x0020 0x0108 0004 ecc old record 4 0x0028 0x0110 0005 ecc old record 5 0x0030 0xFFFF 0006 FF valid record 6 ... ... ... 0x0100 0x1000 0001 ecc old record 1 0x0108 0x0118 0004 ecc old record 4 0x0110 0xFFFF 0005 FF valid record 5 0x0118 0xFFFF 0004 FF valid record 4 ... ... ... 0x1000 0xFFFF 0001 FF valid record 1 0x1008 0xFFFF 0002 FF valid record 2 0x1010 valid record 2 valid record 2 0x1018 0xFFFF FFFF FF empty Fill list with records and links to the latest versions Texas Instruments Proprietary and Confidential Texas Instruments Internal Data 29 November 2020 16 Flash EEPROM Emulation Methodology – Link List Address Sector 1 0x0000 Sector Status (active) Index record (nBytes) 0x0008 0x0100 0001 ecc old record 1 0x0010 0x1008 0002 ecc old record 2 0x0018 old record 2 old record 2 0x0020 0x0108 0004 ecc old record 4 0x0028 0x0110 0005 ecc old record 5 0x0030 0xFFFF 0006 FF valid record 6 ... ... ... 0x0100 0x1000 0001 ecc old record 1 0x0108 0x0118 0004 ecc old record 4 0x0110 0xFFFF 0005 FF valid record 5 0x0118 0xFFFF 0004 FF valid record 4 ... ... ... 0x1000 0xFFFF 0001 FF valid record 1 0x1008 0xFFFF 0002 FF valid record 2 0x1010 valid record 2 valid record 2 0x1018 0xFFFF FFFF FF empty Entry point 1 2 3 4 Links to later versions of record Access of latest data set version Texas Instruments Proprietary and Confidential Texas Instruments Internal Data 29 November 2020 17 Flash EEPROM Emulation Methodology – Link List Sector 1 Sector St