AT25DQ161_13 Datasheet, PDF (18/65 Pages) List of Unclassifed Manufacturers – Minimum SPI Serial Flash Memory with Dual-I/O and Quad-I/O Support

Figure 8-5. Quad-Input Byte Program
CS
SCK
I/O₀
(SI)
I/O₁
(SO)
I/O₂
(WP)
I/O₃
(HOLD)
0 1 2 3 4 5 6 7 8 9 10 11 12
29 30 31 32 33
Opcode
Byte
Address Bits A23-a0
In
0 0 1 1 0 0 1 0AAAAAA
MSB
MSB
A A A D4 D0
High-impedance
D5 D1
High-impedance
D6 D2
High-impedance
D7 D3
MSB
Figure 8-6. Quad-Input Page Program
CS
SCK
I/O₀
(SI)
I/O₁
(SO)
I/O₂
(WP)
I/O₃
(HOLD)
0 1 2 3 4 5 6 7 8 9 10 11 12
29 30 31 32 33 34 35 36 37 38 39
Opcode
Address Bits A23-A0
Byte 1 Byte 2 Byte 3 Byte 4
In
In
In
In
0 0 1 1 0 0 1 0AAAAAA
MSB
MSB
A A A D4 D0 D4 D0 D4 D0 D4 D0
High-impedance
D5 D1 D5 D1 D5 D1 D5 D1
Byte n
In
D4 D0
D5 D1
High-impedance
D6 D2 D6 D2 D6 D2 D6 D2
D6 D2
High-impedance
D7 D3 D7 D3 D7 D3 D7 D3
MSB MSB MSB MSB
D7 D3
MSB
AT25DQ161 [DATASHEET] 18
8671D–DFLASH–1/2013