W29GL128CH9C-TR Datasheet, PDF (54/67 Pages) Winbond – 128M-BIT 3.0-VOLT PARALLEL FLASH MEMORY WITH PAGE MODE

W29GL128C
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⁾
NO
DQ7=Data#?⁽²⁾
YES
Fail
Pass
Write Buffer
Abort
Figure 8-21 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.
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