RC28F640P33B85 Numonyx, RC28F640P33B85 Datasheet - Page 87

• Manufacturer Part Number: RC28F640P33B85
• Description: Numonyx? Strataflash Embedded Memory
• Manufacturer: Numonyx

Numonyx™ StrataFlash
14.0
Figure 41: Write State Machine—Next State Table (Sheet 1 of 6)
November 2007
Order Number: 314749-05
Program
Current Chip
Word
Erase
OTP
Lock/CR Setup
BP
State
Ready
BP Load 1
BP Load 2
Suspend
BP Busy
Suspend
Suspend
(7)
Confirm
Setup
Setup
Setup
Setup
Busy
Busy
Busy
BP
BP
Write State Machine
Figure 41
based on incoming commands. Only one partition can be actively programming or
erasing at a time. Each partition stays in its last read state (Read Array, Read Device
ID, CFI Query or Read Status Register) until a new command changes it. The next WSM
state does not depend on the partition’s output state.
Suspend
Array
Ready
(FFH)
Erase
Read
®
(2)
Embedded Memory (P33)
Program
(10H/40H)
Program
Program
Suspend
Setup in
through
Erase
Word
Setup
Word
Word Program Suspend
(3,4)
Ready (Lock Error)
Ready (Error)
Ready (Error)
BP Suspend
BP Setup in
BP Setup
Suspend
Buffered
Program
(E8H)
Erase
Figure 46
(BP)
Program Busy
Command Input to Chip and resulting Chip Next State
Erase Busy
BP Busy
BP Confirm if Data load into Program Buffer is complete; Else BP Load 2
Setup
Erase
Erase
(20H)
Setup
Erase Suspend
(3,4)
show the command state transitions (Next State Table)
Factory Pgm
BEFP Setup
Enhanced
Setup
Buffered
(80H)
(3, 4)
Word Program Busy
BE Confirm,
Erase Busy
Erase Busy
Confirm
Resume,
Program
BP Busy
BP Busy
(Unlock
Ready
Block)
(D0H)
Word
ULB,
Busy
BP Load 1
BP Load 2
OTP Busy
P/E
(8)
BP Suspend
BP / Prg /
Suspend
Suspend
Suspend
Program
Erase
(B0H)
Erase
Word
Status
Ready
Read
(70H)
Erase Suspend
Word Program Suspend
Ready (Lock Error)
Ready (Error)
Ready (Error)
BP Suspend
Register
Word Program Busy
Status
(50H)
Clear
Erase Busy
BP Busy
(5)
(90H, 98H)
ID/Query
Read
Lock, Unlock,
CR setup
Lock-down,
Datasheet
Lock/CR
Lock/CR
Suspend
Setup in
Setup
Erase
(60H)
(4)
87