PF38F1602CT70 View Datasheet(PDF) - Intel
Part Name
Description
MFG CO.
'PF38F1602CT70' PDF : 75 Pages View PDF
C3 SCSP Flash Memory
Figure 19. Locking Operations Flowchart
Start
Write 60H
(Configuration Setup)
Write
01H, D0H, or 2FH
Write 90H
(Read Configuration)
Read Block Lock Status
Bus
Operation
Write
Write
Write
(Optional)
Read
(Optional)
Standby
(Optional)
Command
Comments
Config. Setup
Data = 60H
Addr = X
Lock, Unlock,
or Lockdown
Data= 01H (Lock Block)
D0H (Unlock Block)
2FH (Lockdown Block)
Addr=Within block to lock
Read
Data = 90H
Configuration Addr = X
Block Lock
Status
Block Lock Status Data
Addr = Second addr of block
Confirm Locking Change on
DQ1, DQ0. (See Block Locking
State Table for valid
combinations.)
Locking
Change
Confirmed?
No
Write FFh
(Read Array)
Locking Change
Complete
0645_16
26 Aug 2005
50
Intel® Advanced+ Boot Block Flash Memory (C3) SCSP Family
Order Number: 252636, Revision: 004
Datasheet
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