W29GL256PL9T-TR Datasheet, PDF (53/64 Pages) Winbond – 256M-BIT 3.0-VOLT PARALLEL FLASH MEMORY WITH PAGE MODE

W29GL256P
START
Read DQ[7:0] at Last
Write Address⁽¹⁾
NO
DQ7=Data#?
YES
DQ1=1?
Only for Write Buffer
Program
NO
YES
NO
DQ5=1?
YES
Read DQ[7:0] at Last
Write Address⁽¹⁾
DQ7=Data#?⁽²⁾
YES
Fail
NO
Pass
Write Buffer
Abort
Figure 7-20 Status Polling for Write Buffer Program Flowchart
Notes:
1.
2.
3.
For programming, valid address means program address.
For erasing, valid address means erase sectors address.
DQ7 should be rechecked even DQ5="1" because DQ7 may change simultaneously with DQ5.
Publication Release Date: Jul 02, 2014
48
Revision A