Rainbow Electronics AT25DQ321 - Manual (Page 50)

50 AT25DQ321 [DATASHEET]
8718D–DFLASH–12/2012
Figure 12-2. Read Manufacturer and Device ID
SO
SI
SCK
CS
6 0
9Fh
8 7 46
Opcode
1Fh 86h 00h 01h 00h
Manufacturer ID Device ID
Byte 1
Device ID
Byte 2
EDI
String Length
EDI
Data Byte 1
High-impedance
14 16 15 22 24 23 38 40 39 30 32 31
Note: Each transition shown for SI and SO represents one byte (8 bits)