S29GL512N SPANSION, S29GL512N Datasheet - Page 72

• Manufacturer Part Number: S29GL512N
• Description: Page Mode Flash Memory
• Manufacturer: SPANSION

70
N o t e :
The system should recheck the toggle bit even if DQ5 = 1
because the toggle bit may stop toggling as DQ5 changes to
1. See the subsections on DQ6 and DQ2 for more
information.
No
Figure 6. Toggle Bit Algorithm
S29GL-N MirrorBit™ Flash Family
Complete, Write
Reset Command
Read DQ7–DQ0
Read DQ7–DQ0
Read DQ7–DQ0
Program/Erase
Operation Not
Toggle Bit
Toggle Bit
DQ5 = 1?
= Toggle?
= Toggle?
START
Twice
Yes
Yes
Yes
D a t a
Operation Complete
No
No
S h e e t
Program/Erase
S29GL-N_00_B3 October 13, 2006