Owner manual

35
AT45DB021E [PRELIMINARY DATASHEET]
8789B–DFLASH–11/2012
Figure 12-1. Read Manufacturer and Device ID
Table 12-3. EDI Data
Byte Number Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Hex
Value Details
1
RFU Device Revision
00h
RFU: Reserved for Future Use
Device revision:00000 (Initial Version)
0 0 0 0 0 0 0 0
SCK
CS
SI
SO
60
9Fh
87 46
Opcode
1Fh 00h 01h 00h
Manufacturer ID Device ID
Byte 1
Device ID
Byte 2
EDI
String Length
EDI
Data Byte 1
High-impedance
14 1615 22 2423 38 403930 3231
Note: Each transition shown for SI and SO represents one byte (eight bits)
23h