PF38F5070M0Q0B0 NUMONYX [Numonyx B.V], PF38F5070M0Q0B0 Datasheet - Page 107

• Manufacturer Part Number: PF38F5070M0Q0B0
• Manufacturer: NUMONYX [Numonyx B.V]

Numonyx™ StrataFlash
Figure 58: Main Array Block Lock Operations Flowchart
April 2008
309823-10
Partition Address
0x01/0xD0/0x2F,
Block Address
Block Address
Lock Change
Lock Status
Write 0x60,
Write either
Read Block
Write 0x90
Write 0xFF
Complete
Change?
Locking
Start
Yes
®
Cellular Memory (M18)
No
(Read Device ID)
(Lock Confirm)
(Lock Setup)
(Read Main
Array)
LOCKING OPERATIONS PROCEDURE
Operation
(Optional)
(Optional)
Write
Write
Write
Read
Write
Bus
Idle
Lock-Down
Command
Block Lock
Unlock, or
Device ID
Confirm
Status
Setup
Lock,
Read
None
Read
Array
Lock
Data = 0x60
Addr = Block to lock/unlock/lock-down
Data = 0x01 (Block Lock)
Addr = Block to lock/unlock/lock-down
Data = 0x90
Addr = Block address + offset 2
Block Lock status data
Addr = Block address + offset 2
Confirm locking change on D[1,0].
Data = 0xFF
Addr = Block address
0xD0 (Block Unlock)
0x2F (Lock-Down Block)
Comments
d
Datasheet
107