W25Q40BV Datasheet, PDF (56/73 Pages) Winbond – 4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI

W25Q40BV
84h
85h
86h
87h
88h
89h
8Ah
8Bh
8Ch
8Dh
8Eh
8Fh
...⁽¹⁾
FFh
FFh Flash Size in Bits
FFh Flash Size in Bits
3Fh Flash Size in Bits
00h Flash Size in Bits
44h ^Bit[7:5]=010
8 Mode Bits are needed
Bit[4:0]=00100 16 Dummy Bits are needed
EBh Quad Input Quad Output Fast Read Opcode
08h
Bit[7:5]=000
Bit[4:0]=01000
No Mode Bits are needed
8 Dummy Bits are needed
6Bh Single Input Quad Output Fast Read Opcode
08h
Bit[7:5]=000
Bit[4:0]=01000
No Mode Bits are needed
8 Dummy Bits are needed
3Bh Single Input Dual Output Fast Read Opcode
80h
Bit[7:5]=100
Bit[4:0]=00000
8 Mode bits are needed
No Dummy bits are needed
BBh Dual Input Dual Output Fast Read Opcode
FFh Reserved
FFh Reserved
4 Mega Bits =
003FFFFFh
Fast Read
Quad I/O
Setting
Fast Read
Quad Output
Setting
Fast Read
Dual Output
Setting
Fast Read
Dual I/O
Setting
Notes:
1. Data stored in Byte Address 18h to 7Fh & 90h to FFh are Reserved, the value is FFh.
2. 1 Dword = 4 Bytes
3. PID(x) = Parameter Identification Table (x)
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