ISSUE 4.7 : NOVEMBER 1998
MFM8516 - 70/90/12/15
DATA POLLING ALGORITHM
Start
VA = Byte Address for programming
Read Byte
(DQ0 - DQ7)
Addr=VA
= Any of the sector addresses
within the sector being erased
during sector erase operation.
= XXXXH during chip erase
Yes
DQ7=Data?
No
No
DQ5=1?
Yes
Read Byte
(DQ0 - DQ7)
Addr=VA
Yes
DQ7=Data?
Pass
No
Fail
Note : DQ7 is rechecked even if DQ5 = "1" beceause DQ7 may change simultaneousely
with DQ5.
12