Datasheet
2015 Microchip Technology Inc. DS20005119G-page 67
SST26VF064B / SST26VF064BA
13H A31:A24 06H
Parameter Table Length
Number of DWORDs that are in the Parameter table
JEDEC Sector Map Parameter Header: 4
th
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: 5
th
DWORD
18H A7:A0 BFH
ID Number
Manufacture ID (vendor specified header)
19H A15:A8 00H Parameter Table Minor Revision Number
1AH A23:A16 01H Parameter Table major Revision Number, Revision 1.0
1BH A31:A24 18H Parameter Table Length, 24 Double Words
Microchip (Vendor) Parameter Header: 6
th
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: 1
st
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 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
31H A15:A8 20H 4 KByte Erase Opcode
TABLE 11-1: SERIAL FLASH DISCOVERABLE PARAMETER (SFDP) (CONTINUED) (2 OF 16)
Address Bit Address Data Comments