RD28F1604C3B110 Intel, RD28F1604C3B110 Datasheet - Page 50

• Manufacturer Part Number: RD28F1604C3B110
• Manufacturer: Intel

Specifications of RD28F1604C3B110

• Operating Supply Voltage (max): 3.3V
• Operating Temperature (max): 85C
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

C3 SCSP Flash Memory
Figure 19.
26 Aug 2005
50
Locking Operations Flowchart
0645_16
Read Block Lock Status
(Configuration Setup)
(Read Configuration)
Intel
01H, D0H, or 2FH
Locking Change
(Read Array)
Confirmed?
Write FFh
Write 60H
Write 90H
Complete
®
Locking
Change
Write
Advanced+ Boot Block Flash Memory (C3) SCSP Family
Start
Order Number: 252636, Revision: 004
No
Operation
(Optional)
(Optional)
(Optional)
Standby
Write
Write
Write
Write
Read
Bus
Config. Setup
Lock, Unlock,
Configuration
or Lockdown
Command
Command
Block Lock
Status
Read
Data = 60H
Addr = X
Data= 01H (Lock Block)
Addr=Within block to lock
Data = 90H
Addr = X
Block Lock Status Data
Addr = Second addr of block
Confirm Locking Change on
DQ
State Table for valid
combinations.)
1
, DQ
D0H (Unlock Block)
2FH (Lockdown Block)
0
Comments
. (See Block Locking
Datasheet