Z8F082ASH020EG View Datasheet(PDF) - Zilog
Part Name
Description
MFG CO.
'Z8F082ASH020EG' PDF : 282 Pages View PDF
Z8 Encore! XP® F082A Series
Product Specification
148
Figure 22 displays a basic Flash Controller flow. The following subsections provide
details about the various operations displayed in Figure 22.
Reset
Lock State 0
Write Page
Select Register
Write FCTL
No
73H
Yes
Lock State 1
Write FCTL
No
8CH
Yes
Write Page
Select Register
Writes to Page Select
Register in Lock State 1
result in a return to
Lock State 0
No Page Select
values match?
Yes
Yes
Page in
Protected Sector?
No
Page
Unlocked
Program/Erase
Enabled
Byte Program
Write FCTL
Yes
95H
Page Erase
No
PS022827-1212
Figure 22. Flash Controller Operation Flow Chart
PRELIMINARY
Operation
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