28F128W18 Datasheet, PDF (83/100 Pages) Intel Corporation – Intel® Wireless Flash Memory

Intel^® Wireless Flash Memory (W18)
Appendix A Write State Machine States
This table shows the command state transitions based on incoming commands. Only one partition
can be actively programming or erasing at a time.
Figure 37. Write State Machine — Next State Table (Sheet 1 of 2)
Chip Next State after Command Input
Current Chip
State⁽⁸⁾
Read
Array⁽³⁾
Program
Setup^(4,5)
Erase
Setup^(4,5)
Enhanced
Factory
Pgm
Setup⁽⁴⁾
BE Confirm,
P/E Resume,
ULB
Confirm⁽⁹⁾
Program/
Erase
Suspend
Read
Status
Clear
Status
Register⁽⁶⁾
Read
ID/Query
(FFH) (10H/40H)
(20H)
(30H)
(D0H)
(B0H)
(70H)
(50H) (90H, 98H)
Ready
Ready
Program
Setup
Erase
Setup
EFP
Setup
Ready
Lock/CR Setup
Ready (Lock Error)
Ready
Ready (Lock Error)
OTP
Setup
Busy
OTP Busy
Program
Setup
Busy
Program Busy
Program Busy
Pgm Susp
Program Busy
Suspend
Program Suspend
Pgm Busy
Program Suspend
Setup
Ready (Error)
Erase Busy
Ready (Error)
Erase
Busy
Suspend
Pgm in
Erase
Suspend
Erase
Susp Setup
Erase Busy
Erase Suspend
Erase Susp
Erase Busy
Erase Busy
Erase Suspend
Setup
Program in Erase Suspend Busy
Program in
Erase Suspend
Busy
Suspend
Lock/CR Setup in Erase
Suspend
Program in Erase Suspend Busy
Pgm Susp in
Erase Susp
Program in Erase Suspend Busy
Program Suspend in Erase Suspend
Pgm in Erase
Susp Busy
Program Suspend in Erase Suspend
Erase Suspend (Lock Error)
Erase Susp
Erase Suspend
(Lock Error)
Enhanced
Factory
Program
Setup
EFP Busy
EFP Verify
Ready (Error)
EFP Busy
EFP Busy⁽⁷⁾
Verify Busy⁽⁷⁾
Ready (Error)
Pgm Setup,
Erase Setup,
OTP Setup,
Pgm in Erase Susp Setup,
EFP Setup,
EFP Busy,
Verify Busy
Lock/CR Setup,
Lock/CR Setup in Erase Susp
OTP Busy
Ready,
Pgm Busy,
Pgm Suspend,
Erase Busy,
Erase Suspend,
Pgm In Erase Susp Busy,
Pgm Susp In Erase Susp
Array⁽³⁾
Output Next State after Command Input
Status
Status
Status
Status
Output does not change
Status
Output
does not
change
ID/Query
Datasheet
83