256Mb: 3V Embedded Parallel NOR Flash
Registers
Figure 5: Data Polling Flowchart
Start
Read DQ7, DQ5, and DQ1
at valid address1
Yes
DQ7 = Data
No
No
No
DQ5 = 1
Yes
DQ1 = 1
Yes
Read DQ7 at valid address
Yes
DQ7 = Data
No
Failure2
Success
1. Valid address is the address being programmed or an address within the block being
erased.
Notes:
2. Failure results: DQ5 = 1 indicates an operation error; DQ1 = 1 indicates a WRITE TO BUF-
FER PROGRAM ABORT operation.
PDF: 09005aef84ecabef
m29dw_256g.pdf - Rev. A 10/12 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
22
© 2012 Micron Technology, Inc. All rights reserved.
MICRON [ MICRON TECHNOLOGY ]
