Rainbow Electronics AT25DQ321 - Manual (Page 33)

33 AT25DQ321 [DATASHEET]
8718D–DFLASH–12/2012
Figure 10-1. Sector Lockdown
SO
SI
SCK
CS
MSB MSB
2 3 1 0
0 0 1 1 0 0 1 1
6 7 5 4 9 8 39 37 38 33 36 35 34 31 32 29 30
Opcode
High-impedance
A A A A A A
MSB
1 1 0 1 0 0 0 0
Address Bits A23-A0 Confirmation Byte IN