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SST26VF032BEUI 数据表(PDF) 54 Page - Microchip Technology |
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SST26VF032BEUI 数据表(HTML) 54 Page - Microchip Technology |
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54 / 76 page  SST26VF032BEUI DS20006152A-page 54 2019 Microchip Technology Inc. 13H A31:A24 06H Parameter Table Length Number of DWORDs that are in the Parameter table JEDEC Flash Parameter Header: 4th DWORD 14H A7:A0 00H Parameter Table Pointer (PTP) This 24-bit address specifies the start of this header’s Parameter Table in the SFDP structure. The address must be DWORD-aligned. 15H A15:A8 01H 16H A23:A16 00H 17H A31:A24 FFH Parameter ID MSB Number Microchip (Vendor) Parameter Header: 5th DWORD 18H A7:A0 BFH ID Number Manufacture ID (vendor specified header) 19H A15:A8 00H Parameter Table Minor Revision Number 1AH A23:A16 02H Parameter Table major Revision Number, Revision 2.0 1BH A31:A24 1CH Parameter Table Length, 28 Double Words Microchip (Vendor) Parameter Header: 6th DWORD 1CH A7:A0 00H Parameter Table Pointer (PTP) This 24-bit address specifies the start of this header’s Parameter Table in the SFDP structure. The address must be DWORD-aligned. 1DH A15:A8 02H 1EH A23:A16 00H 1FH A31:A24 01H Used to indicate bank number (vendor specific) JEDEC Flash Parameter Table JEDEC Flash Parameter Table: 1st DWORD 30H A1:A0 FDH Block/Sector Erase Sizes 00: Reserved 01: 4 KByte Erase 10: Reserved 11: Use this setting only if the 4 KByte erase is unavailable. A2 Write Granularity 0: Single-byte programmable devices or buffer programmable devices with buffer is less than 64 bytes (32 Words). 1: For buffer programmable devices when the buffer size is 64 bytes (32 Words) or larger. A3 Volatile Status Register 0: Target flash has nonvolatile status bit. Write/Erase commands do not require status register to be written on every power on. 1: Target flash has volatile status bits A4 Write Enable Opcode Select for Writing to Volatile Status Register 0: 0x50. Enables a status register write when bit 3 is set to 1. 1: 0x06 Enables a status register write when bit 3 is set to 1. A7:A5 Unused. Contains 111b and can not be changed TABLE 11-1: SERIAL FLASH DISCOVERABLE PARAMETER (SFDP) (CONTINUED) (2 OF 16) Address Bit Address Data Comments |
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