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