RC28F256 Intel Corporation, RC28F256 Datasheet - Page 81

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

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Figure 37.
Datasheet
BP in Erase
Lock/CR Setup in Erase
Program in
Enhanced
Suspend
Suspend
Buffered
Program
Current Chip
Factory
Erase
Word
Mode
State
Suspend
BP Load 1
BP Load 2
(7)
Suspend
BP Busy
Suspend
Confirm
Setup
Setup
Setup
BEFP
Busy
Busy
BP
BP
Write State Machine—Next State Table (Sheet 4 of 6)
BEFP Program and Verify Busy (if Block Address
Suspend
Setup
(C0H)
BP Confirm if Data load into Program Buffer is
Erase
Error)
(Lock
given matches address given on BEFP Setup
OTP
command). Commands treated as data. (7)
(4)
Ready (Error in Erase Suspend)
Command Input to Chip and resulting Chip Next State
complete; Else BP Load 2
Confirm
Suspend
Block)
Erase
Block
(01H)
(Lock
Lock
Ready (Error)
BP Load 2
(8)
Intel StrataFlash
Word Program Busy in Erase Suspend Busy
Word Program Suspend in Erase Suspend
(Lock Down
Lock-Down
Word Program Busy in Erase Suspend
Confirm
Suspend
Order Number: 306666, Revision: 001
Block)
(2FH)
Erase
Block
BP Suspend in Erase Suspend
BP Busy in Erase Suspend
(8)
Write RCR
Confirm
BP Load 1
Suspend
(Set CR)
Erase
(03H)
(8)
®
Ready (Error)
(Proceed if
unlocked or lock
error)
Ready (BP Load 2 BP Load 2
Embedded Memory (P30)
Block Address
Ready (BEFP
Loading Data)
(?WA0)
(XXXXH)
Erase Suspend (Lock Error)
Ready
Ready
9
BP Confirm if
Data load into
Program Buffer is
complete; Else
BP Load 2
(all other codes)
Illegal Cmds or
Ready (Error)
BEFP Busy
BEFP Data
Ready (Error)
(1)
Erase Suspend
Erase Suspend
Completes
Operation
Ready
WSM
N/A
N/A
N/A
NA
1-Gbit P30 Family
April 2005
81