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