S29GL128P SPANSION, S29GL128P Datasheet - Page 41

• Manufacturer Part Number: S29GL128P
• Description: Page Mode Flash Memory
• Manufacturer: SPANSION

November 21, 2006 S29GL-P_00_A3
8. There are no means for individually erasing a specific PPB and no specific sector address is
9. Exit command must be issued after the execution which resets the device to read mode and re-
10. The programming state of the PPB for a given sector can be verified by writing a PPB Status Read
D a t a
required for this operation.
enables reads and writes for Sector 0.
Command to the device as described by the flow chart shown in
S h e e t
No
Figure 8.2 PPB Program/Erase Algorithm
( A d v a n c e
S29GL-P MirrorBit
Program PPB Bit.
Read Byte Twice
Read Byte Twice
Command Set.
Issue Reset
Addr = SA0
Enter PPB
Addr = SA0
Command
Addr = BA
Addr = SA
DQ5 = 1?
Toggle?
Toggle?
DQ6 =
DQ6 =
FAIL
Yes
Yes
Yes
Command Set
I n f o r m a t i o n )
No
No
Exit PPB
TM
Flash Family
No
Wait 500 µs
Read Byte.
'0' (Pgm.)?
Addr = SA
'1' (Erase)
DQ0 =
PASS
Yes
Figure
8.2.
39