RC28F256 Intel Corporation, RC28F256 Datasheet - Page 50

• Manufacturer Part Number: RC28F256
• Description: Intel StrataFlash Embedded Memory
• Manufacturer: Intel Corporation

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1-Gbit P30 Family
9.2
Table 20.
April 2005
50
Unlocking
Program
Suspend
Locking/
Erase
Block
Mode
Read
Read Array
Read Device Identifier
CFI Query
Read Status Register
Clear Status Register
Word Program
Buffered Program
Buffered Enhanced Factory
Program (BEFP)
Block Erase
Program/Erase Suspend
Program/Erase Resume
Lock Block
Unlock Block
Lock-down Block
Device Commands
Device operations are initiated by writing specific device commands to the Command User
Interface (CUI). See
modify array data including Word Program and Block Erase commands. Writing either command
to the CUI initiates a sequence of internally-timed functions that culminate in the completion of the
requested task. However, the operation can be aborted by either asserting RST# or by issuing an
appropriate suspend command.
Command Bus Cycles (Sheet 1 of 2)
Command
(4)
(3)
Intel StrataFlash
Order Number: 306666, Revision: 001
Table 20, “Command Bus Cycles” on page
Cycles
Bus
≥ 2
≥ 2
> 2
> 2
1
2
1
2
2
1
1
2
2
2
®
Embedded Memory (P30)
Oper
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
First Bus Cycle
Addr
DBA
DBA
DBA
DBA
DBA
DBA
DBA
WA
WA
WA
BA
BA
BA
BA
(1)
Data
0x40/
0xD0
0xFF
0x90
0x98
0x70
0x50
0x10
0xE8
0x80
0x20
0xB0
0x60
0x60
0x60
(2)
50. Several commands are used to
Oper
Read
Read
Read
Write
Write
Write
Write
Write
Write
Write
-
-
-
-
Second Bus Cycle
DBA + QA
DBA + IA
Addr
DBA
WA
WA
WA
BA
BA
BA
BA
-
-
-
-
(1)
Datasheet
Data
0xD0
0xD0
0xD0
0x2F
SRD
N - 1
0x01
WD
QD
ID
-
-
-
-
(2)