Datasheet
SST26VF032B / SST26VF032BA
DS20005218E-page 60 2013-2016 Microchip Technology Inc.
31H A15:A8 20H 4 KByte Erase Opcode
32H
A16
F1H
Supports (1-1-2) Fast Read
0: (1-1-2) Fast Read NOT supported
1: (1-1-2) Fast Read supported
A18:A17
Address Bytes
Number of bytes used in addressing flash array read, write and erase
00: 3-Byte only addressing
01: 3- or 4-Byte addressing (e.g. defaults to 3-Byte mode; enters 4-Byte
mode on command)
10: 4-Byte only addressing
11: Reserved
A19
Supports Double Transfer Rate (DTR) Clocking
Indicates the device supports some type of double transfer rate clocking.
0: DTR NOT supported
1: DTR Clocking supported
A20
Supports (1-2-2) Fast Read
Device supports single input opcode, dual input address, and dual output
data Fast Read.
0: (1-2-2) Fast Read NOT supported.
1: (1-2-2) Fast Read supported.
A21
Supports (1-4-4) Fast Read
Device supports single input opcode, quad input address, and quad out-
put data Fast Read
0: (1-4-4) Fast Read NOT supported.
1: (1-4-4) Fast Read supported.
A22
Supports (1-1-4) Fast Read
Device supports single input opcode & address and quad output data
Fast Read.
0: (1-1-4) Fast Read NOT supported.
1: (1-1-4) Fast Read supported.
A23 Unused. Contains ‘1’ can not be changed.
33H A31:A24 FFH Unused. Contains FF can not be changed
JEDEC Flash Parameter Table: 2
nd
DWORD
34H A7:A0 FFH Flash Memory Density
SST26VF032B/032BA = 01FFFFFFH
35H A15:A8 FFH
36H A23:A16 FFH
37H A31:A24 01H
JEDEC Flash Parameter Table: 3
rd
DWORD
38H
A4:A0
44H
(1-4-4) Fast Read Number of Wait states (dummy clocks) needed
before valid output
00100b: 4 dummy clocks (16 dummy bits) are needed with a quad input
address phase instruction
A7:A5
Quad Input Address Quad Output (1-4-4) Fast Read Number of Mode
Bits
010b: 2 dummy clocks (8 mode bits) are needed with a single input
opcode, quad input address and quad output data Fast Read Instruction.
39H A15:A8 EBH
(1-4-4) Fast Read Opcode
Opcode for single input opcode, quad input address, and quad output
data Fast Read.
TABLE 11-1: SERIAL FLASH DISCOVERABLE PARAMETER (SFDP) (CONTINUED) (3 OF 16)
Address Bit Address Data Comments