PMC
Pm39F010 / Pm39F020 / Pm39F040
DEVICE OPERATIONS FLOWCHARTS
(CONTINUED)
AUTOMATICERASE
Start
Write Sector,
Block, or Chip
Erase Command
Data = FFh?
or
I/O6 Stop Toggle?
No
Yes
Erasure
Completed
BLOCK ERASE COMMAND
SECTOR ERASE COMMAND
CHIP ERASE COMMAND
Load Data AAh
to
Load Data AAh
to
Load Data AAh
to
Address 555h
Address 555h
Address 555h
Load Data 55h
to
Load Data 55h
to
Load Data 55h
to
Address 2AAh
Address 2AAh
Address 2AAh
Load Data 80h
to
Load Data 80h
to
Load Data 80h
to
Address 555h
Address 555h
Address 555h
Load Data AAh
to
Load Data AAh
to
Load Data AAh
to
Address 555h
Address 555h
Address 555h
Load Data 55h
to
Load Data 55h
to
Load Data 55h
to
Address 2AAh
Address 2AAh
Address 2AAh
Load Data 50h
Load Data 30h
Load Data 10h
to
to
to
Address 555h
BA
SA
Chart 2. Automatic Erase Flowchart
Issue Date: March, 2004, Rev: 1.3
Programmable Microelectronics Corp.
12
PMC [ PMC-SIERRA, INC ]
